Help me find out the problem of this kernal panic
I was unmounting a FTP account via finder and I was useing macfuse to access it.
panic(cpu 0 caller 0x2E1D64AC): MacFUSE: vnode reclaimed with valid fufh (type=0, vtype=1)
Latest stack backtrace for cpu 0:
Backtrace:
0x000952D8 0x000957F0 0x00026898 0x2E1D64AC 0x000FDBA4 0x000E6048 0x000E6358 0x000E87B4
0x000E5D60 0x000EC2D0 0x000EC100 0x002AB7F8 0x000ABB30 0x9004B5FC
Kernel loadable modules in backtrace (with dependencies):
com.google.filesystems.fusefs(0.2.5)@0x2e1ce000
Proceeding back via exception chain:
Exception state (sv=0x2DB28000)
PC=0x900647CC; MSR=0x0000D030; DAR=0xA000C56C; DSISR=0x40000000; LR=0x00002D94; R1=0xBFFFF910; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.9.0: Thu Feb 22 20:54:07 PST 2007; root:xnu-792.17.14~1/RELEASE_PPCModel: PowerMac4,4, BootROM 4.6.4f1, 1 processors, PowerPC G4 (3.3), 1 GHz, 1 GB
Graphics: ATI Radeon 7500, ATY,RV200, AGP, 32 MB
Memory Module: DIMM0/J1600, 512 MB, SDRAM, PC133U-333
Memory Module: DIMM1/J1601, 512 MB, SDRAM, PC133U-344
AirPort: AirPort Extreme, 405.1 (3.90.34.0.p18)
Modem: MicroDash, UCJ, V.92, 1.0F, APPLE VERSION 2.6.6
Network Service: AirPort, AirPort, en1
Parallel ATA Device: Maxtor 2F040L0, 38.29 GB
Parallel ATA Device: TOSHIBA ODD-DVD SD-R1412
USB Device: USB Trackball, Logitech, Up to 1.5 Mb/sec, 500 mA
USB Device: Hub, Up to 12 Mb/sec, 500 mA
USB Device: USB Hub, Lexmark, Up to 12 Mb/sec, 500 mA
USB Device: Lexmark X1100 Series, Lexmark, Up to 12 Mb/sec, 500 mA
USB Device: X1100 Series, Lexmark, Up to 12 Mb/sec, 500 mA
USB Device: Natural® Ergonomic Keyboard 4000, Microsoft, Up to 1.5 Mb/sec, 500 mA
FireWire Device: OXFORD IDE Device, Oxford Semiconductor Ltd., Up to 400 Mb/sec
FireWire Device: > LaCie d2 DVD-RW Firewire, LaCie Group SA, Up to 400 Mb/sec
KPs are usually caused by hardware problems. When trying to troubleshoot problems, disconnect all external devices except your monitor, kbd & mouse. Do you experience the same problems?
May be a solution on one of these links.
Troubleshooting
The X Lab (Troubleshooting & Maintenance of OS X)
OS X Routine Maintenance & Generic Troubleshooting
Prevent Mac Disasters
Kernel Panic
Mac OS X Kernel Panic FAQ
Mac OS X Kernel Panic FAQ
Resolving Kernel Panics
12-Step Program to Isolate Freezes and/or Kernel Panics
Cheers, Tom
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Help me find out the error in my first hello application
Hello every body !!!!
I am new to JEE.I am competent on JDK and also have worked on Tomcat JSP,servlet.
But i am having problem running my first JEE programme.
I have Sun Java System Application Server 9.1 with NetBeans 6 on WinXP.
I have used NetBeans 6 hence those comments are there.
Below are the code i have used:
In the hello-ejb module i have following Bean and remote interfaces==>>>
package hello;
import javax.ejb.Stateless;
@Stateless
public class HelloBean implements HelloRemote {
private String name="Yoodleyee";
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package hello;
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In the Hello-app-client module i have main()==>>
package hello;
import javax.ejb.EJB;
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* @param args the command line arguments
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since this program does not require deployment descriptor and also NetBean creates its own deployment discriptor hence i have not written any.
While the BUILD is successfull.But when Run this application I get deployment error.I am pasting the error stack below:
pre-init:
init-private:
init-userdir:
init-user:
init-project:
do-init:
post-init:
init-check:
init:
deps-jar:
deps-j2ee-archive:
init:
init:
deps-jar:
compile:
library-inclusion-in-manifest:
dist-ear:
deps-jar:
compile:
library-inclusion-in-manifest:
dist-ear:
init:
deps-jar:
compile:
library-inclusion-in-manifest:
dist-ear:
pre-pre-compile:
pre-compile:
do-compile:
post-compile:
compile:
pre-dist:
do-dist-without-manifest:
do-dist-with-manifest:
post-dist:
dist:
pre-run-deploy:
Initial deploying Hello to C:\nikhil workstation\EJB work\NetBeansProjects\Hello\dist\gfdeploy
Completed initial distribution of Hello
Start registering the project's server resources
Finished registering server resources
moduleID=Hello
deployment started : 0%
Deploying application in domain failed; Error loading deployment descriptors for module [Hello] -- javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@1fb580
Deployment error:
The module has not been deployed.
See the server log for details.
at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:163)
at org.netbeans.modules.j2ee.ant.Deploy.execute(Deploy.java:104)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor131.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:277)
at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:460)
at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:151)
Caused by: The module has not been deployed.
at org.netbeans.modules.j2ee.deployment.devmodules.api.Deployment.deploy(Deployment.java:157)
... 16 more
BUILD FAILED (total time: 1 second)
Where as the server log has the following stack
----Log File Rotated---
Apr 18, 2008 5:06:42 PM com.sun.enterprise.admin.servermgmt.launch.ASLauncher buildCommand
INFO:
C:/Sun/SDK/jdk\bin\java
-Dcom.sun.aas.instanceRoot=C:/Program Files/glassfish-v2/domains/domain1
-Dcom.sun.aas.ClassPathPrefix=
-Dcom.sun.aas.ClassPathSuffix=
-Dcom.sun.aas.ServerClassPath=
-Dcom.sun.aas.classloader.appserverChainJars.ee=
-Dcom.sun.aas.classloader.appserverChainJars=admin-cli.jar,admin-cli-ee.jar,j2ee-svc.jar
-Dcom.sun.aas.classloader.excludesList=admin-cli.jar,appserv-upgrade.jar,sun-appserv-ant.jar
-Dcom.sun.aas.classloader.optionalOverrideableChain.ee=
-Dcom.sun.aas.classloader.optionalOverrideableChain=webservices-rt.jar,webservices-tools.jar
-Dcom.sun.aas.classloader.serverClassPath.ee=/lib/hadbjdbc4.jar,C:/Program Files/glassfish-v2/lib/SUNWjdmk/5.1/lib/jdmkrt.jar,/lib/dbstate.jar,/lib/hadbm.jar,/lib/hadbmgt.jar,C:/Program Files/glassfish-v2/lib/SUNWmfwk/lib/mfwk_instrum_tk.jar
-Dcom.sun.aas.classloader.serverClassPath=C:/Program Files/glassfish-v2/lib/install/applications/jmsra/imqjmsra.jar,C:/Program Files/glassfish-v2/imq/lib/jaxm-api.jar,C:/Program Files/glassfish-v2/imq/lib/fscontext.jar,C:/Program Files/glassfish-v2/imq/lib/imqbroker.jar,C:/Program Files/glassfish-v2/imq/lib/imqjmx.jar,C:/Program Files/glassfish-v2/lib/ant/lib/ant.jar,C:/Program Files/glassfish-v2/lib/SUNWjdmk/5.1/lib/jdmkrt.jar
-Dcom.sun.aas.classloader.sharedChainJars.ee=appserv-se.jar,appserv-ee.jar,jesmf-plugin.jar,/lib/dbstate.jar,/lib/hadbjdbc4.jar,jgroups-all.jar,C:/Program Files/glassfish-v2/lib/SUNWmfwk/lib/mfwk_instrum_tk.jar
-Dcom.sun.aas.classloader.sharedChainJars=javaee.jar,C:/Sun/SDK/jdk/lib/tools.jar,install/applications/jmsra/imqjmsra.jar,com-sun-commons-launcher.jar,com-sun-commons-logging.jar,C:/Program Files/glassfish-v2/imq/lib/jaxm-api.jar,C:/Program Files/glassfish-v2/imq/lib/fscontext.jar,C:/Program Files/glassfish-v2/imq/lib/imqbroker.jar,C:/Program Files/glassfish-v2/imq/lib/imqjmx.jar,C:/Program Files/glassfish-v2/imq/lib/imqxm.jar,webservices-rt.jar,webservices-tools.jar,mail.jar,appserv-jstl.jar,jmxremote_optional.jar,C:/Program Files/glassfish-v2/lib/SUNWjdmk/5.1/lib/jdmkrt.jar,activation.jar,appserv-rt.jar,appserv-admin.jar,appserv-cmp.jar,C:/Program Files/glassfish-v2/updatecenter/lib/updatecenter.jar,C:/Program Files/glassfish-v2/jbi/lib/jbi.jar,C:/Program Files/glassfish-v2/imq/lib/imqjmx.jar,C:/Program Files/glassfish-v2/lib/ant/lib/ant.jar,dbschema.jar
-Dcom.sun.aas.configName=server-config
-Dcom.sun.aas.configRoot=C:/Program Files/glassfish-v2/config
-Dcom.sun.aas.defaultLogFile=C:/Program Files/glassfish-v2/domains/domain1/logs/server.log
-Dcom.sun.aas.domainName=domain1
-Dcom.sun.aas.installRoot=C:/Program Files/glassfish-v2
-Dcom.sun.aas.instanceName=server
-Dcom.sun.aas.processLauncher=SE
-Dcom.sun.aas.promptForIdentity=true
-Dcom.sun.enterprise.config.config_environment_factory_class=com.sun.enterprise.config.serverbeans.AppserverConfigEnvironmentFactory
-Dcom.sun.enterprise.overrideablejavaxpackages=javax.help,javax.portlet
-Dcom.sun.enterprise.taglibs=appserv-jstl.jar,jsf-impl.jar
-Dcom.sun.enterprise.taglisteners=jsf-impl.jar
-Dcom.sun.updatecenter.home=C:/Program Files/glassfish-v2/updatecenter
-Ddomain.name=domain1
-Dhttp.nonProxyHosts=1*|prdits.tatasteel.co.in*|prd.tatasteel.co.in*|myportal.tatasteel.co.in*|<local>*|localhost|127.0.0.1|WAGONTRACKER
-Dhttp.proxyHost=151.0.1.128
-Dhttp.proxyPort=3128
-Dhttps.proxyHost=151.0.1.128
-Dhttps.proxyPort=3128
-Djava.endorsed.dirs=C:/Program Files/glassfish-v2/lib/endorsed
-Djava.ext.dirs=C:/Sun/SDK/jdk/lib/ext;C:/Sun/SDK/jdk/jre/lib/ext;C:/Program Files/glassfish-v2/domains/domain1/lib/ext;C:/Program Files/glassfish-v2/javadb/lib
-Djava.library.path=C:\Program Files\glassfish-v2\lib;C:\Program Files\glassfish-v2\lib;C:\Program Files\glassfish-v2\bin;C:\Program Files\glassfish-v2\lib
-Djava.security.auth.login.config=C:/Program Files/glassfish-v2/domains/domain1/config/login.conf
-Djava.security.policy=C:/Program Files/glassfish-v2/domains/domain1/config/server.policy
-Djava.util.logging.manager=com.sun.enterprise.server.logging.ServerLogManager
-Djavax.management.builder.initial=com.sun.enterprise.admin.server.core.jmx.AppServerMBeanServerBuilder
-Djavax.net.ssl.keyStore=C:/Program Files/glassfish-v2/domains/domain1/config/keystore.jks
-Djavax.net.ssl.trustStore=C:/Program Files/glassfish-v2/domains/domain1/config/cacerts.jks
-Djdbc.drivers=org.apache.derby.jdbc.ClientDriver
-Djmx.invoke.getters=true
-Dsun.rmi.dgc.client.gcInterval=3600000
-Dsun.rmi.dgc.server.gcInterval=3600000
-client
-XX:+UnlockDiagnosticVMOptions
-XX:MaxPermSize=192m
-Xmx512m
-XX:NewRatio=2
-XX:+LogVMOutput
-XX:LogFile=C:/Program Files/glassfish-v2/domains/domain1/logs/jvm.log
-cp
C:/Program Files/glassfish-v2/lib/jhall.jar;C:\Program Files\glassfish-v2\lib\appserv-launch.jar
com.sun.enterprise.server.PELaunch
start
Starting Sun Java System Application Server 9.1 (build b58g-fcs) ...
MBeanServer started: com.sun.enterprise.interceptor.DynamicInterceptor
CORE5098: AS Socket Service Initialization has been completed.
CORE5076: Using [Java HotSpot(TM) Client VM, Version 1.6.0_03] from [Sun Microsystems Inc.]
SEC1002: Security Manager is OFF.
C:/Program Files/glassfish-v2/domains/domain1/config/.__com_sun_appserv_pid
ADM0001:SunoneInterceptor is now enabled
SEC1143: Loading policy provider com.sun.enterprise.security.provider.PolicyWrapper.
WEB0114: SSO is disabled in virtual server [server]
WEB0114: SSO is disabled in virtual server [__asadmin]
ADM1079: Initialization of AMX MBeans started
ADM1504: Here is the JMXServiceURL for the Standard JMXConnectorServer: [service:jmx:rmi:///jndi/rmi://WAGONTRACKER:8686/jmxrmi]. This is where the remote administrative clients should connect using the standard JMX connectors
ADM1506: Status of Standard JMX Connector: Active = [true]
autoDeployment status dir missing, creating a new one
[AutoDeploy] Selecting file C:\Program Files\glassfish-v2\lib\install\applications\MEjbApp.ear for autodeployment.
deployed with moduleid = MEjbApp
[AutoDeploy] Successfully autodeployed : C:\Program Files\glassfish-v2\lib\install\applications\MEjbApp.ear.
[AutoDeploy] Selecting file C:\Program Files\glassfish-v2\lib\install\applications\__ejb_container_timer_app.ear for autodeployment.
deployed with moduleid = __ejb_container_timer_app
[AutoDeploy] Successfully autodeployed : C:\Program Files\glassfish-v2\lib\install\applications\__ejb_container_timer_app.ear.
[AutoDeploy] Selecting file C:\Program Files\glassfish-v2\lib\install\applications\__JWSappclients.ear for autodeployment.
deployed with moduleid = __JWSappclients
[AutoDeploy] Successfully autodeployed : C:\Program Files\glassfish-v2\lib\install\applications\__JWSappclients.ear.
WEB0302: Starting Sun-Java-System/Application-Server.
JBIFW0010: JBI framework ready to accept requests.
No Principals mapped to Role [noaccess].
WEB0712: Starting Sun-Java-System/Application-Server HTTP/1.1 on 8080
WEB0712: Starting Sun-Java-System/Application-Server HTTP/1.1 on 8181
WEB0712: Starting Sun-Java-System/Application-Server HTTP/1.1 on 4848
SMGT0007: Self Management Rules service is enabled
Application server startup complete.
javax.ejb.EJB.description()Ljava/lang/String;
Exception occured in J2EEC Phasejava.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@14a4fd2
com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [MyHello] -- javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@14a4fd2
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:390)
at com.sun.enterprise.deployment.backend.AppDeployerBase.loadDescriptors(AppDeployerBase.java:358)
at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:226)
at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.java:148)
at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:191)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:919)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:279)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:788)
at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:187)
at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:223)
Caused by: java.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@14a4fd2
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:363)
at com.sun.enterprise.deployment.archivist.Archivist.readDeploymentDescriptors(Archivist.java:318)
at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:213)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.readModulesDescriptors(ApplicationArchivist.java:321)
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:338)
... 10 more
Caused by: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@14a4fd2
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:360)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:368)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:282)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:264)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:192)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:129)
at com.sun.enterprise.deployment.archivist.Archivist.processAnnotations(Archivist.java:445)
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:346)
... 14 more
Caused by: java.lang.NoSuchMethodError: javax.ejb.EJB.description()Ljava/lang/String;
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processNewEJBAnnotation(EJBHandler.java:276)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processEJB(EJBHandler.java:143)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processAnnotation(EJBHandler.java:98)
at com.sun.enterprise.deployment.annotation.handlers.AbstractResourceHandler.processAnnotation(AbstractResourceHandler.java:119)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:337)
... 21 more
javax.ejb.EJB.description()Ljava/lang/String;
Exception occured in J2EEC Phasejava.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@6985a3
com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [Hello] -- javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@6985a3
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:390)
at com.sun.enterprise.deployment.backend.AppDeployerBase.loadDescriptors(AppDeployerBase.java:358)
at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:226)
at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.java:148)
at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:191)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:919)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:279)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:788)
at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:187)
at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:223)
Caused by: java.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@6985a3
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:363)
at com.sun.enterprise.deployment.archivist.Archivist.readDeploymentDescriptors(Archivist.java:318)
at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:213)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.readModulesDescriptors(ApplicationArchivist.java:321)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.open(ApplicationArchivist.java:238)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.openArchive(ApplicationArchivist.java:763)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.openArchive(ApplicationArchivist.java:744)
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:349)
... 10 more
Caused by: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@6985a3
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:360)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:368)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:282)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:264)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:192)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:129)
at com.sun.enterprise.deployment.archivist.Archivist.processAnnotations(Archivist.java:445)
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:346)
... 17 more
Caused by: java.lang.NoSuchMethodError: javax.ejb.EJB.description()Ljava/lang/String;
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processNewEJBAnnotation(EJBHandler.java:276)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processEJB(EJBHandler.java:143)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processAnnotation(EJBHandler.java:98)
at com.sun.enterprise.deployment.annotation.handlers.AbstractResourceHandler.processAnnotation(AbstractResourceHandler.java:119)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:337)
... 24 more
javax.ejb.EJB.description()Ljava/lang/String;
Exception occured in J2EEC Phasejava.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@1fb580
com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [Hello] -- javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@1fb580
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:390)
at com.sun.enterprise.deployment.backend.AppDeployerBase.loadDescriptors(AppDeployerBase.java:358)
at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:226)
at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.java:148)
at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:191)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:919)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:279)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:788)
at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:187)
at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:223)
Caused by: java.lang.IllegalStateException: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@1fb580
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:363)
at com.sun.enterprise.deployment.archivist.Archivist.readDeploymentDescriptors(Archivist.java:318)
at com.sun.enterprise.deployment.archivist.Archivist.open(Archivist.java:213)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.readModulesDescriptors(ApplicationArchivist.java:321)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.open(ApplicationArchivist.java:238)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.openArchive(ApplicationArchivist.java:763)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.openArchive(ApplicationArchivist.java:744)
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:349)
... 10 more
Caused by: javax.ejb.EJB.description()Ljava/lang/String;at com.sun.enterprise.deployment.annotation.AnnotationInfo@1fb580
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:360)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:368)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:282)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.processAnnotations(AnnotationProcessorImpl.java:264)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:192)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:129)
at com.sun.enterprise.deployment.archivist.Archivist.processAnnotations(Archivist.java:445)
at com.sun.enterprise.deployment.archivist.Archivist.readAnnotations(Archivist.java:346)
... 17 more
Caused by: java.lang.NoSuchMethodError: javax.ejb.EJB.description()Ljava/lang/String;
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processNewEJBAnnotation(EJBHandler.java:276)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processEJB(EJBHandler.java:143)
at com.sun.enterprise.deployment.annotation.handlers.EJBHandler.processAnnotation(EJBHandler.java:98)
at com.sun.enterprise.deployment.annotation.handlers.AbstractResourceHandler.processAnnotation(AbstractResourceHandler.java:119)
at com.sun.enterprise.deployment.annotation.impl.AnnotationProcessorImpl.process(AnnotationProcessorImpl.java:337)
... 24 more
Initializing Sun's JavaServer Faces implementation (1.2_04-b20-p03) for context ''
JBIFW0012: JBI framework startup complete.
Please help me find the error and eliminate it.
I am disgusted with it as i am stuck at this position for last 15 days.I have failed to find solution in google etc.
Even the demo sample projects given in NetBeans are generating error messages.
Please help...
Yoodleyee>
Please help me find the error and eliminate it.
I am disgusted with it as i am stuck at this position for last 15 days.15 days on "Hello Anything" should never happen.
Even the demo sample projects given in NetBeans are generating error messages.Somebody explain to me how JSF is making life "easy".
There's a lot here.
% -
Pls find out the exception in this simple program...
Pls tell me wots the reason of the exception in this program since im getting an exception like this..
Exception is thread "main" java.lang.NoClassDefFoundError: derived
Program is the following:-
class base {
public base() {
System.out.println("BASE CLASS DEFAULT CONSTRUCTOR");
public base(int i) {
System.out.println("inside base i");
public class derived extends base {
public static void main(String args[]) {
derived obj=new derived();
derived() {
System.out.println("Derived class constructor");
derived(int i) {
System.out.println("inside derived i");
Pls help me...Javapedia: Classpath
How Classes are Found
Setting the class path (Windows)
Setting the class path (Solaris/Linux)
Understanding the Java ClassLoader
java -cp .;<any other directories or jars> YourClassNameYou get a NoClassDefFoundError message because the JVM (Java Virtual Machine) can't find your class. The way to remedy this is to ensure that your class is included in the classpath. The example assumes that you are in the same directory as the class you're trying to run.
javac -classpath .;<any additional jar files or directories> YourClassName.javaYou get a "cannot resolve symbol" message because the compiler can't find your class. The way to remedy this is to ensure that your class is included in the classpath. The example assumes that you are in the same directory as the class you're trying to run. -
Need help to find out the navigational attribute where used list ?
HI all ,
i have a 0BATCH_0PLANT navigational attribute , i want to find out , where it has been used in the all the queries .
Thanks ,Nav-attribute will also be see as a attribute in the system search for it and click on where used list of it.
Search for the Info object 0BATCH_0PLANT. double click on it -- click on the where used list of the nav-attribute.
It will display all the dependent objects where its used.
With this you can get the IC,DSO,MP names where this object is used. next with the help of those MP,IC and DSO you can get the list of queries. -
Can't find out the problem in the query.
emp Table->
(name varchar2(10),
shot_seq varchar2(1)
The emp table contains around 2 million records.
When I run the following query the output comes within 20 seconds.
select name,sum(decode(shot_seq,1,1,0)) as pd2 from emp where shot_seq = 1
group by name;
But when i made the change in the query by putting ' shot_seq = '1' ', so that query is now:
select name,sum(decode(shot_seq,1,1,0)) as pd2 from emp where shot_seq = '1'
group by name;
The output doesn't comes, sqlplus just hangs up.
Please explain what is the reason behind this.
Thanks for ur time,
skala.1.
I think the problem is with sum and decode part:
..sum(decode(shot_seq,1,1,0)) as ...
If <shot_seq> is character then you need to convert it to_number before using any group functions....
2.
Check your decode:
......(shot_seq,1,1,0)) as pd2 from emp where shot_seq = '1'
I think it should be something like that(after you convert chars to nums)....
null -
Anyone know the cause for this kernal panic?
I was think it might have something to do with the Steelseries USB headset cause i unplugged it and pluged it back in and then my Imac froze and restarted.
Anonymous UUID: F7E5E7A2-97C2-DCCF-A17B-32F49B4397DE
Thu Feb 20 15:40:52 2014
panic(cpu 1 caller 0xffffff80032dc19e): Kernel trap at 0xffffff80036498c8, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000001, CR3: 0x0000000005eb7000, CR4: 0x00000000000606e0
RAX: 0x0000000000000001, RBX: 0xffffff8003902618, RCX: 0xffffff8003869060, RDX: 0xffffff8163812a3b
RSP: 0xffffff8163812a00, RBP: 0xffffff8163812a20, RSI: 0xffffff8003902618, RDI: 0x0000000000000001
R8: 0x0000000000000000, R9: 0x0000000000000010, R10: 0x0000000000000000, R11: 0xffffff80035ee610
R12: 0xffffff8163812a30, R13: 0xffffff8003902750, R14: 0x0000000000000000, R15: 0x0000000000000001
RFL: 0x0000000000010202, RIP: 0xffffff80036498c8, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000001, Error code: 0x0000000000000000, Fault CPU: 0x1
Backtrace (CPU 1), Frame : Return Address
0xffffff8163812690 : 0xffffff8003222f69
0xffffff8163812710 : 0xffffff80032dc19e
0xffffff81638128e0 : 0xffffff80032f3606
0xffffff8163812900 : 0xffffff80036498c8
0xffffff8163812a20 : 0xffffff7f83bfde1b
0xffffff8163812a80 : 0xffffff7f83bfdc5b
0xffffff8163812ad0 : 0xffffff7f83d6080d
0xffffff8163813b70 : 0xffffff7f83d5d7be
0xffffff8163813bd0 : 0xffffff7f83d5e1f6
0xffffff8163813c40 : 0xffffff7f83d5b691
0xffffff8163813cb0 : 0xffffff7f83bfd011
0xffffff8163813e00 : 0xffffff7f83bef176
0xffffff8163813e90 : 0xffffff7f83bedc8d
0xffffff8163813ed0 : 0xffffff7f83c71b07
0xffffff8163813f00 : 0xffffff7f83c6f87a
0xffffff8163813f20 : 0xffffff800324a15a
0xffffff8163813fb0 : 0xffffff80032d6aa7
Kernel Extensions in backtrace:
com.apple.iokit.IOHIDFamily(2.0)[1185D338-98A5-345E-84F8-E59DF819A61B]@0xffffff 7f83be9000->0xffffff7f83c5afff
dependency: com.apple.driver.AppleFDEKeyStore(28.30)[558B2575-5197-3C4C-BAD2-8CB465638FA8]@ 0xffffff7f83bde000
com.apple.iokit.IOUSBHIDDriver(650.4.4)[B79A7E01-DD3F-3C1A-840A-879D262C69DE]@0 xffffff7f83c6e000->0xffffff7f83c76fff
dependency: com.apple.iokit.IOHIDFamily(2.0.0)[1185D338-98A5-345E-84F8-E59DF819A61B]@0xffff ff7f83be9000
dependency: com.apple.iokit.IOUSBFamily(650.4.4)[972D3024-AF9C-3E09-A9EC-D9AB2A559B38]@0xff ffff7f83b2c000
com.steelseries.BoardListener(8.56)[D7ED89E0-1841-06A1-87AD-6C52F0432B87]@0xfff fff7f83d49000->0xffffff7f83d71fff
dependency: com.apple.iokit.IOUSBFamily(650.4.4)[972D3024-AF9C-3E09-A9EC-D9AB2A559B38]@0xff ffff7f83b2c000
dependency: com.apple.iokit.IOUSBHIDDriver(650.4.4)[B79A7E01-DD3F-3C1A-840A-879D262C69DE]@0 xffffff7f83c6e000
dependency: com.apple.iokit.IOHIDFamily(2.0.0)[1185D338-98A5-345E-84F8-E59DF819A61B]@0xffff ff7f83be9000
dependency: com.apple.driver.IOBluetoothHIDDriver(4.2.0f6)[BDBCA485-A5D3-3EE0-A782-60D83447 BAEB]@0xffffff7f83d35000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
13B42
Kernel version:
Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
Kernel slide: 0x0000000003000000
Kernel text base: 0xffffff8003200000
System model name: iMac12,2 (Mac-942B59F58194171B)
System uptime in nanoseconds: 88082602088110
last loaded kext at 88066645519917: com.apple.driver.AppleUSBCDC 4.2.1b2 (addr 0xffffff7f8587e000, size 20480)
last unloaded kext at 78425300798183: com.apple.driver.AppleUSBCDC 4.2.1b2 (addr 0xffffff7f8587e000, size 16384)
loaded kexts:
com.logmein.hamachi 1.0
com.steelseries.BoardListener 8.56
com.apple.driver.AppleUSBCDC 4.2.1b2
com.apple.filesystems.smbfs 2.0.0
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AGPM 100.14.11
com.apple.filesystems.autofs 3.0
com.apple.iokit.IOBluetoothSerialManager 4.2.0f6
com.apple.driver.AudioAUUC 1.60
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleHDA 2.5.3fc1
com.apple.driver.AppleUpstreamUserClient 3.5.13
com.apple.kext.AMDFramebuffer 1.1.4
com.apple.driver.AppleMikeyDriver 2.5.3fc1
com.apple.AMDRadeonX3000 1.1.4
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.0f6
com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
com.apple.iokit.IOUserEthernet 1.0.0d1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleBacklight 170.3.5
com.apple.driver.AppleMCCSControl 1.1.12
com.apple.kext.AMD6000Controller 1.1.4
com.apple.driver.AppleSMCPDRC 1.0.0
com.apple.driver.AppleSMCLMU 2.0.4d1
com.apple.driver.AppleLPC 1.7.0
com.apple.driver.AppleThunderboltIP 1.0.10
com.apple.driver.AppleIntelHD3000Graphics 8.1.8
com.apple.driver.AppleIntelSNBGraphicsFB 8.1.8
com.apple.driver.AppleIRController 325.7
com.apple.iokit.SCSITaskUserClient 3.6.0
com.apple.driver.AppleUSBCardReader 3.3.5
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.4.0
com.apple.driver.AppleUSBHub 650.4.4
com.apple.iokit.AppleBCM5701Ethernet 3.6.9b9
com.apple.driver.AppleFWOHCI 4.9.9
com.apple.driver.AppleAHCIPort 2.9.5
com.apple.driver.AirPort.Atheros40 700.74.5
com.apple.driver.AppleUSBEHCI 650.4.1
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.0
com.apple.driver.AppleACPIEC 2.0
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 216.0.0
com.apple.nke.applicationfirewall 153
com.apple.security.quarantine 3
com.apple.driver.AppleIntelCPUPowerManagement 216.0.0
com.apple.kext.triggers 1.0
com.apple.driver.AppleBluetoothHIDKeyboard 170.15
com.apple.driver.AppleHIDKeyboard 170.15
com.apple.iokit.IOSerialFamily 10.0.7
com.apple.driver.DspFuncLib 2.5.3fc1
com.apple.vecLib.kext 1.0.0
com.apple.iokit.IOAcceleratorFamily 98.7.1
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.0f6
com.apple.driver.AppleUSBAudio 2.9.3f17
com.apple.iokit.IOAudioFamily 1.9.4fc11
com.apple.kext.OSvKernDSPLib 1.14
com.apple.driver.IOPlatformPluginLegacy 1.0.0
com.apple.iokit.IOSurface 91
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.AppleBacklightExpert 1.0.4
com.apple.driver.AppleSMBusController 1.0.11d1
com.apple.kext.AMDSupport 1.1.4
com.apple.AppleGraphicsDeviceControl 3.4.12
com.apple.iokit.IOFireWireIP 2.2.5
com.apple.driver.AppleHDAController 2.5.3fc1
com.apple.iokit.IOHDAFamily 2.5.3fc1
com.apple.driver.AppleSMC 3.1.6d1
com.apple.driver.IOPlatformPluginFamily 5.5.1d27
com.apple.driver.AppleThunderboltEDMSink 1.2.1
com.apple.iokit.IONDRVSupport 2.3.6
com.apple.iokit.IOGraphicsFamily 2.3.6
com.apple.driver.IOBluetoothHIDDriver 4.2.0f6
com.apple.iokit.IOBluetoothFamily 4.2.0f6
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.6.0
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOAHCISerialATAPI 2.6.0
com.apple.driver.AppleThunderboltDPOutAdapter 2.5.0
com.apple.driver.AppleThunderboltDPInAdapter 2.5.0
com.apple.driver.AppleThunderboltDPAdapterFamily 2.5.0
com.apple.driver.AppleThunderboltPCIDownAdapter 1.4.0
com.apple.iokit.IOUSBHIDDriver 650.4.4
com.apple.iokit.IOSCSIBlockCommandsDevice 3.6.0
com.apple.iokit.IOUSBMassStorageClass 3.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.0
com.apple.driver.AppleUSBMergeNub 650.4.0
com.apple.driver.AppleUSBComposite 650.4.0
com.apple.driver.AppleThunderboltNHI 1.9.2
com.apple.iokit.IOThunderboltFamily 2.8.5
com.apple.iokit.IOUSBUserClient 650.4.4
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.driver.mDNSOffloadUserClient 1.0.1b4
com.apple.iokit.IOFireWireFamily 4.5.5
com.apple.iokit.IOAHCIFamily 2.6.0
com.apple.iokit.IO80211Family 600.34
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOUSBFamily 650.4.4
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 278.10
com.apple.kext.AppleMatch 1.0.0d1
com.apple.security.TMSafetyNet 7
com.apple.driver.AppleKeyStore 2
com.apple.driver.DiskImages 371.1
com.apple.iokit.IOStorageFamily 1.9
com.apple.iokit.IOReportFamily 21
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 2.0
com.apple.iokit.IOPCIFamily 2.8
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
Model: iMac12,2, BootROM IM121.0047.B1F, 4 processors, Intel Core i5, 2.7 GHz, 12 GB, SMC 1.72f2
Graphics: AMD Radeon HD 6770M, AMD Radeon HD 6770M, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353737334448302D4348392020
Memory Module: BANK 0/DIMM1, 4 GB, DDR3, 1333 MHz, 0x80CE, 0x4D34373142353237334348302D4348392020
Memory Module: BANK 1/DIMM1, 4 GB, DDR3, 1333 MHz, 0x802C, 0x31364A54463531323634485A2D3147344D31
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A), Atheros 9380: 4.0.74.0-P2P
Bluetooth: Version 4.2.0f6 12982, 3 services, 23 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: ST31000528AS, 1 TB
Serial ATA Device: OPTIARC DVD RW AD-5690H
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: C-Media USB Headphone Set
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Hub
USB Device: Sensei Raw Gaming Mouse
USB Device: iPod
USB Device: Internal Memory Card Reader
USB Device: IR Receiver
Thunderbolt Bus: iMac, Apple Inc., 22.1Uninstall the software for:
com.logmein.hamachi 1.0
com.steelseries.BoardListener 8.56
See if removing it all fixes the problem. Or just boot into Safe Mode. The extensions should not be loaded in safe mode. -
Help me to sort out the problem in this Simple Client - Server problem
Hi all,
I have just started Network programming in java . I tried to write simple Client and Server program which follows
MyServer :
package connection;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;
public class MyServer {
* @param args
public static void main(String[] args) {
String ss ="";
try {
ServerSocket sockServer = new ServerSocket(6000);
Socket clientLink = sockServer.accept();
System.out.println("Connection Established");
InputStreamReader isr = new InputStreamReader(clientLink.getInputStream());
BufferedReader bufReader = new BufferedReader(isr);
System.out.println("buf "+bufReader.readLine());
try {
while ((ss=bufReader.readLine())!=null) {
ss+=ss;
System.out.println("client message "+ss);
} catch (IOException e) {
System.out.println("while reading");
e.printStackTrace();
} catch (IOException e) {
System.out.println("Can't able to connect");
e.printStackTrace();
}MyClient:
package connection;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;
public class MyClient {
* @param args
public static void main(String[] args) {
try {
Socket client = new Socket("127.0.0.1",6000);
OutputStreamWriter osw = new OutputStreamWriter(client.getOutputStream());
PrintWriter pw = new PrintWriter(osw);
pw.write("hello");
} catch (IOException e) {
System.out.println("Failed to connect");
e.printStackTrace();
}I got this error message when I start my client program .
Error message :
Connection Established
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(Unknown Source)
at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)
at sun.nio.cs.StreamDecoder.implRead(Unknown Source)
at sun.nio.cs.StreamDecoder.read(Unknown Source)
at java.io.InputStreamReader.read(Unknown Source)
Can't able to connect
at java.io.BufferedReader.fill(Unknown Source)
at java.io.BufferedReader.readLine(Unknown Source)
at java.io.BufferedReader.readLine(Unknown Source)
at connection.MyServer.main(MyServer.java:27)I think this is very simple one but can't able to find this even after many times . please help me to sort out this to get start my network programming .
Thanks in advance.System.out.println("buf "+bufReader.readLine());Here you are reading a line from the client and printing it.
try {
while ((ss=bufReader.readLine())!=null) {
ss+=ss;
}Here you are reading more lines from the client and adding it to itself then throwing it away next time around the loop.
System.out.println("client message "+ss);... so this can't print anything except 'null'.
pw.write("hello");Here you are printing one line to the server. So the server won't ever do anything in the readLine() loop above. Then you are exiting the client without closing the socket or its output stream so the server gets a 'connection reset'. -
Can anyone help me to find out the problem?
My purpose is to do five time the product of two random number and user enter the answer each time,but it just keep running again whatever i enter the right or wrong answer,And it cannot verify my answer after the first running(At first time,it works)
import java.awt.*;
import javax.swing.*;
public class Lab10 extends JApplet
public void paint( Graphics g )
int
count = 0,
num1,
num2,
getnum,
numsum;
String input,
output;
do {
num1 = 1 + (int) (Math.random() * 9);
num2 = 1 + (int) (Math.random() * 9);
numsum = num1 * num2;
input = JOptionPane.showInputDialog(" What is the product of " + num1 + " and " + num2 + "." );
getnum = Integer.parseInt(input);
super.paint( g );
if (numsum == getnum) {
g.drawString( "Very good!", 25, 25 );
else {
g.drawString( "No,please try again", 40, 40 );
++count;
while ( count < 5);
}This problem may be caused by recursively invocation of paint(Graphics g).
When you call JOptionPane.showInputDialog, it shows a dialog. If this dialog is right upon the top of your applet, the paint method of your applet is called again. So JOptionPane.showInputDialog is recursively called.
To test it, you can write down method paint as follows:
public void paint(Graphics g){
String input = JOptionPane.showInputDialog("hello");
And make applet and dialog overlapped, you will see that this method will always run.
By the way, it's not a wise way to write all the implementations in method paint.You should only write those code relevant to painting in it. -
Please help me figure out the reason for this error
Hello I am trying to run the jar Gui file I got from http://www.cs.cmu.edu/~cmucam/cmucam2/downloads.html
and am getting the following error:
Exception in thread "main" java.lang.UnsatisfiedLinkError: no sserial in java.li
brary.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at serialPort.<clinit>(serialPort.java:22)
at SerialComm.<init>(SerialComm.java:50)
at CameraSerial.<init>(CameraSerial.java:64)
at MainWindow.<init>(MainWindow.java:620)
at CMUcam2GUI.main(CMUcam2GUI.java:7)
Can anyone figure out why I am getting this error? I am running it on a windows xp professional system.Yes you need the sserial native library (and no I do not know where to get it).
-
Could u help me find out the latest version of Brtools
Hi Team,
We have BRTOOLS 6.40 (15) in BW 3.5 Version system which is 64 bit Unicode placed on an AIX server with Oracle database installed. Could u lemme know the latest version available in the market.
Thanks and Regards,
Priyanka RavishankarHi. Go to http:
service.sap.com\swdc --> downloads --> Support Packages and Patches --> Entry by Application Group --.>SAP NetWeaver --> SAP NETWEAVER -->SAP NETWEAVER 04 -->Entry by Component --> Application Server ABAP --> Choose your Kernel release --> example : SAP KERNEL 6.40 64-BIT UNICODE -->
AIX 64bit --> ORACLE --> DBATL640O92_48-20000227.SAR DBATOOLS Package for Oracle 9.2.x --> this pakage contains the BRTOOLS.
P.S. I'm now chek in your message AIX 64 bit U, and change the paths to store. Regards.
Edited by: Sergo Beradze on Apr 18, 2008 2:07 PM -
Need help to find out the following fields
what is the header data table for the following fields
1.PSTLZ
2.ORTO1These two fields refer to the address details.
1. PSTLZ - Postal Code
2. ORTO1 - City.
These two fields will have in all the tables where the address is stored.
ex:
LFA1 - Vendor Master (General Section)
KNA1 - General Data in Customer Master
Reward Points if useful. -
Can anybody tell me the problem with this code when compiled in jdk1.4
Can anybody help me find out the error in this code.
Try to drag a file from your desktop and drop it on the first textpane on my GUI. Then try to drag another file. This time the dragdrop event handler throws a null pointer exception. This happened when I compiled the code with jdk1.4. With jdk1.3 it is working fine. Actually, I need jdk1.4 to get the systemicons for the files I drop on my desktop.
/* Client.java*/
import java.util.Vector;
import java.util.Enumeration;
import java.util.Arrays;
import java.awt.*;
import java.awt.event.*;
import java.rmi.*;
import java.rmi.server.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.filechooser.*;
import java.io.*;
import java.awt.dnd.*;
import java.awt.datatransfer.*;
import java.util.Iterator;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import java.util.Hashtable;
import javax.swing.text.*;
import javax.swing.event.*;
public class Client extends JFrame{
static String newline = System.getProperty("line.separator");
static Client client;
//ServerInterface server;
//ClientProperties clp;
Vector v1=new Vector();
ByteArrayOutputStream out;
Runtime r1;
//file objects,together with array of bytes
Hashtable files=new Hashtable(); //files sent
Hashtable rfiles=new Hashtable(); //files received
//file objects,together with button handlers
Hashtable hfiles=new Hashtable(); //files sent,files received
JButton button1=new JButton();
JButton button2=new JButton();
JButton button3=new JButton();
JLabel label1=new JLabel();
JLabel label2=new JLabel();
JLabel label3=new JLabel();
JLabel label4=new JLabel();
JLabel label5=new JLabel();
JLabel label6=new JLabel();
JLabel label7=new JLabel();
JLabel label8=new JLabel();
JOptionPane dialog=new JOptionPane();
JFileChooser chooser = new JFileChooser();
JPanel panel1;
JPanel panel2;
DropTarget dtarget;
DragSource dsource;
JTextPane textArea1=new JTextPane();
TextArea textArea2=new TextArea();
JTextPane textpanel=new JTextPane();
Style defstyle,style;
StyledDocument doc,doc1;
JPopupMenu popup;
JTree tree;
JScrollPane jsppane;
JScrollPane jsp,jsp2;
DefaultMutableTreeNode top;
Container cp;
private String toalias;
private String togroup;
private String fromalias;
private String fromgroup;
private boolean CONNECT;
public Client()
cp=getContentPane();
cp.setLayout(null);
setForeground(java.awt.Color.red);
setFont(new Font("Dialog", Font.PLAIN, 14));
setVisible(false);
label1.setText(" CHAT APPLICATION");
cp.add(label1);
label1.setFont(new Font("Dialog", Font.BOLD, 16));
label1.setBounds(72,20,319,30);
label2.setText("List of Users Connected.");
cp.add(label2);
label2.setForeground(java.awt.Color.blue);
label2.setFont(new Font("Dialog", Font.BOLD, 12));
label2.setBounds(24,60,192,26);
label8.setBounds(280,60,100,26);
cp.add(label8);
cp.add(textArea2);
textArea2.setBounds(204,120,268,90);
jsppane=new JScrollPane(textArea1);
doc1=textArea1.getStyledDocument();
jsppane.setBounds(12,264,456,109);
cp.add(jsppane);
label3.setText("TO::");
cp.add(label3);
label3.setFont(new Font("Dialog", Font.BOLD, 12));
label3.setBounds(12,228,36,20);
cp.add(label4);
label4.setBackground(java.awt.Color.lightGray);
label4.setBounds(60,228,172,19);
label5.setText("SERVER RESPONSE");
cp.add(label5);
label5.setFont(new Font("Dialog", Font.BOLD, 12));
label5.setBounds(204,96,204,21);
label7.setText("MESSAGE FOR YOU.");
cp.add(label7);
label7.setFont(new Font("Dialog", Font.BOLD, 14));
label7.setBounds(12,371,288,25);
jsp2=new JScrollPane(textpanel);
setTextPaneStyle();
jsp2.setBounds(12,401,456,109);
cp.add(jsp2);
button1.setLabel("Send");
button1.setEnabled(false);
cp.add(button1);
button1.setBackground(java.awt.Color.lightGray);
button1.setForeground(java.awt.Color.black);
button1.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button1.setBounds(60,520,78,36);
button2.setLabel("Attach");
//button2.setEnabled(false);
cp.add(button2);
button2.setBackground(java.awt.Color.lightGray);
button2.setForeground(java.awt.Color.black);
button2.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button2.setBounds(180,520,72,36);
button3.setLabel("Connect");
cp.add(button3);
button3.setBackground(java.awt.Color.lightGray);
button3.setForeground(java.awt.Color.black);
button3.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button3.setBounds(288,520,72,33);
setSize(500,620);
show();
addWindowListener(new WindowEventHandler());
button1.addActionListener(new ButtonHandler());
button2.addActionListener(new ButtonHandler());
button3.addActionListener(new ButtonHandler());
textArea1.addContainerListener(new ComponentHandler());
dtarget=new DropTarget(textArea1,new DragDropHandler());
textArea2.setEnabled(false);
textpanel.setEnabled(false);
r1=Runtime.getRuntime();
r1.addShutdownHook(new onshutdown());
addMenu();
cp.repaint();
//adds attachments to the textArea1
synchronized private void addAttach(java.util.List fileList)
Iterator iterator=fileList.iterator();
JButton bw;
while(iterator.hasNext())
File file=(File)iterator.next();
Icon icon=chooser.getIcon(file);
bw=new JButton(icon);
bw.setBackground(java.awt.Color.gray);
bw.setToolTipText(file.getAbsolutePath());
bw.addMouseListener(new AttachmentHandler());
Dimension d1=new Dimension(icon.getIconWidth(),icon.getIconHeight());
bw.setMaximumSize(d1);
hfiles.put(bw,file);
textArea1.insertComponent(bw);
textArea1.setCaretPosition(doc1.getLength());
bw.setSize(icon.getIconWidth(),icon.getIconHeight());
//only one file at a time
break;
cp.repaint();
public void setAudioStream(ByteArrayOutputStream out)
this.out=out;
private void addMenu()
JMenuBar mbar=new JMenuBar();
mbar.setVisible(true);
mbar.setBounds(0,0,500,20);
mbar.setBackground(java.awt.Color.gray);
//first menu
JMenu m1=new JMenu("Connection");
m1.setBounds(0,0,80,20);
m1.setBackground(java.awt.Color.gray);
JMenuItem mitem1=new JMenuItem("Connect");
JMenuItem mitem2=new JMenuItem("Disconnect");
m1.add(mitem1);
m1.add(mitem2);
mitem1.addActionListener(new ButtonHandler());
mitem2.addActionListener(new ButtonHandler());
mbar.add(m1);
//second menu
JMenu m2=new JMenu("Send...");
m2.setBounds(90,0,80,20);
m2.setBackground(java.awt.Color.gray);
JMenuItem mitem3=new JMenuItem("Send");
JMenuItem mitem4=new JMenuItem("Send with Audio...");
mitem3.addActionListener(new ButtonHandler());
mitem4.addActionListener(new ButtonHandler());
m2.add(mitem3);
m2.add(mitem4);
mbar.add(m2);
cp.add(mbar);
private void setTextPaneStyle()
StyleContext stylecontext =StyleContext.getDefaultStyleContext();
defstyle=stylecontext.getStyle(StyleContext.DEFAULT_STYLE);
doc= textpanel.getStyledDocument();
//style 1
style= textpanel.addStyle("bold",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.blue);
StyleConstants.setItalic(style, false);
StyleConstants.setBold(style, true);
StyleConstants.setFontSize(style,16);
//style 2
style= textpanel.addStyle("normal",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.black);
StyleConstants.setItalic(style, false);
StyleConstants.setBold(style, false);
StyleConstants.setFontSize(style,14);
//style3
style= textpanel.addStyle("attach",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.red);
StyleConstants.setItalic(style, true);
StyleConstants.setBold(style, false);
StyleConstants.setFontSize(style,12);
//remote method called by server
public void addClient(String alias,String group,JTree tree)
//if old client remove old tree
if(!alias.equals(""))
cp.remove(this.jsp);
//add new tree
this.tree=tree;
setTreeModel();
getSound(2);
if(!alias.equals(""))
textArea2.append("\nNew Client:" + alias + "has joined");
else
textArea2.append("\nYou have been connected to the Server.");
jsp=new JScrollPane(this.tree);
jsp.setBounds(12,96,168,120);
jsp.setBackground(java.awt.Color.lightGray);
cp.add(jsp);
this.tree.addMouseListener(new MouseHandler());
//remote method called by server
public void sendMessage(String str,Hashtable rfiles,String alias,String group) throws RemoteException
receiveMessage(str,rfiles,alias,group);
//remote method called by server
public void removeClient(JTree tree,String alias,String group) throws RemoteException
cp.remove(this.jsp);
this.tree=tree;
setTreeModel();
getSound(3);
jsp=new JScrollPane(this.tree);
jsp.setBounds(12,96,168,120);
jsp.setBackground(java.awt.Color.lightGray);
cp.add(jsp);
this.tree.addMouseListener(new MouseHandler());
textArea2.append("\nClient:" + alias + "has disconnected");
private void receiveMessage(String str,Hashtable rfiles,String alias,String group)
boolean flag=true;
UIManager.put("JFrame.activeTitleBackground", new Color(64,128,255));
UIManager.put("JFrame.activeTitleForeground", Color.white);
UIManager.put("JFrame.inactiveTitleBackground", new Color(128,128,128));
UIManager.put("JFrame.inactiveTitleForeground", Color.black);
SwingUtilities.updateComponentTreeUI(this);
try{
if(alias.equals(""))
doc.insertString(doc.getLength(),"CHATMASTER>>",textpanel.getStyle("bold"));
doc.insertString(doc.getLength(),str+ newline,textpanel.getStyle("normal"));
else
doc.insertString(doc.getLength(),alias + "@" + group + ">>",textpanel.getStyle("bold"));
doc.insertString(doc.getLength(),str,textpanel.getStyle("normal"));
//add files to textpanel
if(rfiles!=null && rfiles.size()>0)
doc.insertString(doc.getLength(),newline+"Attachments>>",textpanel.getStyle("attach"));
showattach(rfiles);
addtoList(rfiles);
doc.insertString(doc.getLength(),newline,textpanel.getStyle("normal"));
catch(Exception e)
e.printStackTrace();
dialog.showMessageDialog(client,e.toString(),"Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
cp.repaint();
protected boolean ContactServer(String alias,String servername,String group)
try{
//UnicastRemoteObject.exportObject(this);
//server=(ServerInterface)Naming.lookup("//gpt02d05:5500/" + servername);
// server.notifyMe(this,alias,group);
//change the settings of buttons
button1.setEnabled(true);
button2.setEnabled(true);
button3.setLabel("Disconnect");
label8.setVisible(true);
label8.setText(" Welcome::" + alias);
//putting values of alias and group for sending messages
fromalias=alias;
fromgroup=group;
CONNECT=true;
return true;
catch(UnsupportedOperationException e)
dialog.showMessageDialog(client,"Client with the Same Alias in " + group + " already exists","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
try{
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception ev){System.out.println(ev.toString());}
catch(Exception e)
dialog.showMessageDialog(client,"Unable to connect to Server","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
try{
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception ev){System.out.println(ev.toString());}
return false;
public static void main(String args[]) throws RemoteException{
client=new Client();
}//main ends
public void getSound(int count)
Toolkit t1=getToolkit();
for(int i=0;i<count;i++)
t1.beep();
try{
Thread.sleep(500);
catch(Exception e){}
public void setTreeModel()
ImageIcon i1=new ImageIcon("Lock.gif","No Users");
ImageIcon i2=new ImageIcon("Connec.gif","Users in Group");
ImageIcon i3=new ImageIcon("authorbn.gif","An User");
DefaultTreeCellRenderer dr1= new DefaultTreeCellRenderer();
dr1.setClosedIcon(i1);
dr1.setOpenIcon(i2);
dr1.setLeafIcon(i3);
dr1.setTextSelectionColor(java.awt.Color.red);
tree.setCellRenderer(dr1);
//add received files to the list
private void addtoList(Hashtable rfiles)
Enumeration filelist=rfiles.keys();
while(filelist.hasMoreElements())
File file=(File)filelist.nextElement();
this.rfiles.put(file,rfiles.get(file));
//show the attachments received
private void showattach(Hashtable rfiles)
Enumeration filelist=rfiles.keys();
dsource=DragSource.getDefaultDragSource();
JButton b1=null;
while(filelist.hasMoreElements())
File file=(File)filelist.nextElement();
Icon icon=chooser.getIcon(file);
b1=new JButton(icon);
b1.setBackground(java.awt.Color.gray);
b1.setToolTipText(file.getName());
b1.addMouseListener(new AttachmentHandler());
Dimension d1=new Dimension(icon.getIconWidth(),icon.getIconHeight());
b1.setMaximumSize(d1);
hfiles.put(b1,file);
textpanel.setCaretPosition(doc.getLength());
textpanel.insertComponent(b1);
b1.setSize(icon.getIconWidth(),icon.getIconHeight());
dsource.createDefaultDragGestureRecognizer(b1, DnDConstants.ACTION_COPY_OR_MOVE,new DragGestureHandler());
cp.repaint();
private void savefile(File file,Object parent)
//ExtensionFileFilter filter = new ExtensionFileFilter(false);
//filter.addExtension("txt",true);
//chooser.setFileFilter(filter);
int returnVal = chooser.showSaveDialog(client);
if(returnVal ==JFileChooser.APPROVE_OPTION)
try{
FileOutputStream fstream=new FileOutputStream(chooser.getSelectedFile());
//decide whether the file received or sent is to be saved
if(((Container)parent).equals(textArea1))
fstream.write((byte[])files.get(file));
else
fstream.write((byte[])rfiles.get(file));
fstream.close();
System.out.println(file.getName());
catch(Exception e)
{System.out.println(e.toString()); }
private void openfile(File file,Object parent)
File tempfile=null;
try{
String fname=file.getName();
tempfile=File.createTempFile("temp",fname.substring(fname.lastIndexOf(".")));
FileOutputStream fstream=new FileOutputStream(tempfile);
System.out.println(tempfile.getAbsolutePath());
//decide whether the file received or sent is to be saved
if(((Container)parent).equals(textArea1))
fstream.write((byte[])files.get(file));
else
fstream.write((byte[])rfiles.get(file));
fstream.close();
catch(Exception e){System.out.println(e.toString());}
try{
Process p1=r1.exec("cmd /c start " + tempfile.getAbsolutePath());
p1.waitFor();
catch(Exception e){System.out.println(e.toString());}
//inner classes
class ComponentHandler implements ContainerListener{
public void componentRemoved(ContainerEvent ev)
Container cont=(Container)ev.getChild();
if(cont.getComponentCount()>0)
JButton but=(JButton)cont.getComponent(0);
files.remove((File)hfiles.get(but));
hfiles.remove(but);
public void componentAdded(ContainerEvent ev){}
class AttachmentHandler extends MouseAdapter{
public void mouseClicked(MouseEvent ev){
if(ev.getModifiers()==4)
Component comp=(Component)ev.getSource();
File file=(File)hfiles.get(comp);
popup=new JPopupMenu();
JMenuItem popopen=new JMenuItem("Open");
JMenuItem popsave=new JMenuItem("Save As..");
popup.add(popopen);
System.out.println(comp.getParent().getParent().getClass().toString());
popopen.addActionListener(new ButtonHandler(file,comp.getParent().getParent()));
popup.add(popsave);
popsave.addActionListener(new ButtonHandler(file,comp.getParent().getParent()));
popup.show(comp,12,12);
class DragGestureHandler extends Vector implements DragGestureListener,DragSourceListener,Transferable{
final static int FILE = 0;
final static int STRING = 1;
final static int PLAIN = 2;
DataFlavor flavors[] = {DataFlavor.javaFileListFlavor,DataFlavor.stringFlavor,DataFlavor.plainTextFlavor};
public void dragDropEnd(DragSourceDropEvent ev){}
public void dragEnter(DragSourceDragEvent ev){}
public void dragExit(DragSourceEvent ev){}
public void dragOver(DragSourceDragEvent ev){}
public void dropActionChanged(DragSourceDragEvent ev){}
public void dragGestureRecognized(DragGestureEvent ev)
System.out.println("recognized");
File file=(File)hfiles.get(ev.getComponent());
addElement(file);
ev.startDrag(DragSource.DefaultCopyDrop,this,this);
/* Returns the array of flavors in which it can provide the data. */
public synchronized DataFlavor[] getTransferDataFlavors() {
return flavors;
/* Returns whether the requested flavor is supported by this object. */
public boolean isDataFlavorSupported(DataFlavor flavor) {
boolean b = false;
b |=flavor.equals(flavors[FILE]);
b |= flavor.equals(flavors[STRING]);
b |= flavor.equals(flavors[PLAIN]);
return (b);
public synchronized Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,IOException
if(flavor.equals(flavors[FILE])){return this;}
else if (flavor.equals(flavors[PLAIN])) {
return new StringReader(((File)elementAt(0)).getAbsolutePath());
} else if (flavor.equals(flavors[STRING])) {
return((File)elementAt(0)).getAbsolutePath();
} else {
throw new UnsupportedFlavorException(flavor);
//inner class for draging in the files on java frame
class DragDropHandler implements DropTargetListener{
public void dragEnter(DropTargetDragEvent ev){
public void dragExit(DropTargetEvent ev){
public void dragOver(DropTargetDragEvent ev){
public void drop(DropTargetDropEvent ev){
Transferable tf1=ev.getTransferable();
DataFlavor fl[]=ev.getCurrentDataFlavors();
if(ev.isDataFlavorSupported(DataFlavor.javaFileListFlavor))
ev.acceptDrop (DnDConstants.ACTION_COPY_OR_MOVE);
try{
java.util.List fileList = (java.util.List)tf1.getTransferData(DataFlavor.javaFileListFlavor);
Iterator iterator = fileList.iterator();
while (iterator.hasNext())
File file = (File)iterator.next();
if(file.isFile())
Icon icon=chooser.getIcon(file);
FileInputStream fstream=new FileInputStream(file);
int filedata=(new Double(file.length())).intValue();
byte bytes[]=new byte[filedata];
fstream.read(bytes);
files.put(file,bytes);
ev.getDropTargetContext().dropComplete(true);
addAttach(fileList);
catch(Exception e)
{System.out.println(e.toString() + "here");}
public void dropActionChanged(DropTargetDragEvent ev){
class MouseHandler extends MouseAdapter{
public void mouseClicked(MouseEvent me)
TreePath tp=tree.getPathForLocation(me.getX(),me.getY());
if(tp!=null)
if(tp.getPathCount()==3)
toalias=tp.getPathComponent(2).toString();
togroup=tp.getPathComponent(1).toString();
System.out.println(toalias);
if (!(toalias.equals(fromalias) && togroup.equals(fromgroup)))
System.out.println("hh " + toalias);
label4.setText(tp.getPathComponent(2).toString() + "_@" + tp.getPathComponent(1).toString());
class ButtonHandler implements ActionListener{
private File file;
private Object parent;
//constructors
public ButtonHandler()
public ButtonHandler(File file,Object parent)
this.file=file;
this.parent=parent;
//other functions
public void actionPerformed(ActionEvent ev){
String s=ev.getActionCommand();
System.out.println(s);
if(s.equals("Send with Audio..."))
//Audio audio=new Audio(client,false,"CAPTURE");
if(s.equals("Disconnect"))
try{
// server.disconnect(client);
client.getSound(3);
cp.remove(jsp);
label6.setVisible(false);
//UnicastRemoteObject.unexportObject(client,true);
button3.setLabel("Connect");
textArea2.append("\nYou have been disconnected to Server");
client.repaint();
catch(Exception e)
System.out.println(e.toString());
if(s.equals("Connect"))
// clp=new ClientProperties(client,false);
if(s.equals("Save As.."))
savefile(file,parent);
if(s.equals("Open"))
openfile(file,parent);
if(s.equals("Attach"))
//ExtensionFileFilter filter = new ExtensionFileFilter(false);
//filter.addExtension(".txt",true);
//filter.setDescription("Text Files(.txt)");
// chooser.setFileFilter(filter);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
//chooser.setMultiSelectionEnabled(true);
int returnVal = chooser.showOpenDialog(client);
if(returnVal ==JFileChooser.APPROVE_OPTION)
//File fp[]=chooser.getSelectedFiles();
File fp[]=new File[1];
fp[0]=chooser.getSelectedFile();
int i=0;
while(i<fp.length)
try{
File file=fp;
Icon icon=chooser.getIcon(file);
FileInputStream fstream=new FileInputStream(file);
int filedata=(new Double(file.length())).intValue();
byte bytes[]=new byte[filedata];
fstream.read(bytes);
files.put(file,bytes);
catch(Exception e){dialog.showMessageDialog(client,e.toString(),"Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
return; }
i++;
java.util.List fileList=Arrays.asList(fp);
addAttach(fileList);
if(s.equals("Send"))
try{
if(toalias==null)
dialog.showMessageDialog(client,"Select the Recepient First!!","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
return;
if(toalias!=null && togroup!=null && (!toalias.equals(fromalias)))
// server.sendMessage(textArea1.getText(),files,toalias,togroup,fromalias,fromgroup);
textArea1.setText("");
catch(Exception e)
e.printStackTrace();
}//if ends
class WindowEventHandler extends WindowAdapter{
public void windowClosing(WindowEvent ev){
try{
//server.disconnect(client);
client.getSound(3);
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception e){System.out.println(e.toString());}
dispose();
private class onshutdown extends Thread{
public void run(){
try{
//server.disconnect(client);
//UnicastRemoteObject.unexportObject(client,true);
catch(Exception e){}
}//run endsHere is the working code :
There was an error line 724
File file=fp; -> File file=fp[0];
Several method were deprecated and try to replace the deprecated static field : DataFlavor.plainTextFlavor which was deprecated since 1.4.
/* Client.java*/
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.rmi.*;
import java.rmi.server.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.filechooser.*;
import java.io.*;
import java.awt.dnd.*;
import java.awt.datatransfer.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;
import javax.swing.text.*;
import javax.swing.event.*;
public class Client extends JFrame{
static String newline = System.getProperty("line.separator");
static Client client;
//ServerInterface server;
//ClientProperties clp;
Vector v1=new Vector();
ByteArrayOutputStream out;
Runtime r1;
//file objects,together with array of bytes
Hashtable files=new Hashtable(); //files sent
Hashtable rfiles=new Hashtable(); //files received
//file objects,together with button handlers
Hashtable hfiles=new Hashtable(); //files sent,files received
JButton button1=new JButton();
JButton button2=new JButton();
JButton button3=new JButton();
JLabel label1=new JLabel();
JLabel label2=new JLabel();
JLabel label3=new JLabel();
JLabel label4=new JLabel();
JLabel label5=new JLabel();
JLabel label6=new JLabel();
JLabel label7=new JLabel();
JLabel label8=new JLabel();
JOptionPane dialog=new JOptionPane();
JFileChooser chooser = new JFileChooser();
JPanel panel1;
JPanel panel2;
DropTarget dtarget;
DragSource dsource;
JTextPane textArea1=new JTextPane();
TextArea textArea2=new TextArea();
JTextPane textpanel=new JTextPane();
Style defstyle,style;
StyledDocument doc,doc1;
JPopupMenu popup;
JTree tree;
JScrollPane jsppane;
JScrollPane jsp,jsp2;
DefaultMutableTreeNode top;
Container cp;
private String toalias;
private String togroup;
private String fromalias;
private String fromgroup;
private boolean CONNECT;
public Client()
cp=getContentPane();
cp.setLayout(null);
setForeground(java.awt.Color.red);
setFont(new Font("Dialog", Font.PLAIN, 14));
setVisible(false);
label1.setText(" CHAT APPLICATION");
cp.add(label1);
label1.setFont(new Font("Dialog", Font.BOLD, 16));
label1.setBounds(72,20,319,30);
label2.setText("List of Users Connected.");
cp.add(label2);
label2.setForeground(java.awt.Color.blue);
label2.setFont(new Font("Dialog", Font.BOLD, 12));
label2.setBounds(24,60,192,26);
label8.setBounds(280,60,100,26);
cp.add(label8);
cp.add(textArea2);
textArea2.setBounds(204,120,268,90);
jsppane=new JScrollPane(textArea1);
doc1=textArea1.getStyledDocument();
jsppane.setBounds(12,264,456,109);
cp.add(jsppane);
label3.setText("TO::");
cp.add(label3);
label3.setFont(new Font("Dialog", Font.BOLD, 12));
label3.setBounds(12,228,36,20);
cp.add(label4);
label4.setBackground(java.awt.Color.lightGray);
label4.setBounds(60,228,172,19);
label5.setText("SERVER RESPONSE");
cp.add(label5);
label5.setFont(new Font("Dialog", Font.BOLD, 12));
label5.setBounds(204,96,204,21);
label7.setText("MESSAGE FOR YOU.");
cp.add(label7);
label7.setFont(new Font("Dialog", Font.BOLD, 14));
label7.setBounds(12,371,288,25);
jsp2=new JScrollPane(textpanel);
setTextPaneStyle();
jsp2.setBounds(12,401,456,109);
cp.add(jsp2);
button1.setText("Send");
button1.setEnabled(false);
cp.add(button1);
button1.setBackground(java.awt.Color.lightGray);
button1.setForeground(java.awt.Color.black);
button1.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button1.setBounds(60,520,78,36);
button2.setText("Attach");
//button2.setEnabled(false);
cp.add(button2);
button2.setBackground(java.awt.Color.lightGray);
button2.setForeground(java.awt.Color.black);
button2.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button2.setBounds(180,520,72,36);
button3.setText("Connect");
cp.add(button3);
button3.setBackground(java.awt.Color.lightGray);
button3.setForeground(java.awt.Color.black);
button3.setFont(new Font("Dialog", Font.BOLD|Font.ITALIC, 10));
button3.setBounds(288,520,72,33);
setSize(500,620);
show();
addWindowListener(new WindowEventHandler());
button1.addActionListener(new ButtonHandler());
button2.addActionListener(new ButtonHandler());
button3.addActionListener(new ButtonHandler());
textArea1.addContainerListener(new ComponentHandler());
dtarget=new DropTarget(textArea1,new DragDropHandler());
textArea2.setEnabled(false);
textpanel.setEnabled(false);
r1=Runtime.getRuntime();
r1.addShutdownHook(new onshutdown());
addMenu();
cp.repaint();
//adds attachments to the textArea1
synchronized private void addAttach(java.util.List fileList)
Iterator iterator=fileList.iterator();
JButton bw;
while(iterator.hasNext())
File file=(File)iterator.next();
Icon icon=chooser.getIcon(file);
bw=new JButton(icon);
bw.setBackground(java.awt.Color.gray);
bw.setToolTipText(file.getAbsolutePath());
bw.addMouseListener(new AttachmentHandler());
Dimension d1=new Dimension(icon.getIconWidth(),icon.getIconHeight());
bw.setMaximumSize(d1);
hfiles.put(bw,file);
textArea1.insertComponent(bw);
textArea1.setCaretPosition(doc1.getLength());
bw.setSize(icon.getIconWidth(),icon.getIconHeight());
//only one file at a time
break;
cp.repaint();
public void setAudioStream(ByteArrayOutputStream out)
this.out=out;
private void addMenu()
JMenuBar mbar=new JMenuBar();
mbar.setVisible(true);
mbar.setBounds(0,0,500,20);
mbar.setBackground(java.awt.Color.gray);
//first menu
JMenu m1=new JMenu("Connection");
m1.setBounds(0,0,80,20);
m1.setBackground(java.awt.Color.gray);
JMenuItem mitem1=new JMenuItem("Connect");
JMenuItem mitem2=new JMenuItem("Disconnect");
m1.add(mitem1);
m1.add(mitem2);
mitem1.addActionListener(new ButtonHandler());
mitem2.addActionListener(new ButtonHandler());
mbar.add(m1);
//second menu
JMenu m2=new JMenu("Send...");
m2.setBounds(90,0,80,20);
m2.setBackground(java.awt.Color.gray);
JMenuItem mitem3=new JMenuItem("Send");
JMenuItem mitem4=new JMenuItem("Send with Audio...");
mitem3.addActionListener(new ButtonHandler());
mitem4.addActionListener(new ButtonHandler());
m2.add(mitem3);
m2.add(mitem4);
mbar.add(m2);
cp.add(mbar);
private void setTextPaneStyle()
StyleContext stylecontext =StyleContext.getDefaultStyleContext();
defstyle=stylecontext.getStyle(StyleContext.DEFAULT_STYLE);
doc= textpanel.getStyledDocument();
//style 1
style= textpanel.addStyle("bold",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.blue);
StyleConstants.setItalic(style, false);
StyleConstants.setBold(style, true);
StyleConstants.setFontSize(style,16);
//style 2
style= textpanel.addStyle("normal",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.black);
StyleConstants.setItalic(style, false);
StyleConstants.setBold(style, false);
StyleConstants.setFontSize(style,14);
//style3
style= textpanel.addStyle("attach",defstyle);
StyleConstants.setBackground(style,Color.white);
StyleConstants.setForeground(style,Color.red);
StyleConstants.setItalic(style, true);
StyleConstants.setBold(style, false);
StyleConstants.setFontSize(style,12);
//remote method called by server
public void addClient(String alias,String group,JTree tree)
//if old client remove old tree
if(!alias.equals(""))
cp.remove(this.jsp);
//add new tree
this.tree=tree;
setTreeModel();
getSound(2);
if(!alias.equals(""))
textArea2.append("\nNew Client:" + alias + "has joined");
else
textArea2.append("\nYou have been connected to the Server.");
jsp=new JScrollPane(this.tree);
jsp.setBounds(12,96,168,120);
jsp.setBackground(java.awt.Color.lightGray);
cp.add(jsp);
this.tree.addMouseListener(new MouseHandler());
//remote method called by server
public void sendMessage(String str,Hashtable rfiles,String alias,String group) throws RemoteException
receiveMessage(str,rfiles,alias,group);
//remote method called by server
public void removeClient(JTree tree,String alias,String group) throws RemoteException
cp.remove(this.jsp);
this.tree=tree;
setTreeModel();
getSound(3);
jsp=new JScrollPane(this.tree);
jsp.setBounds(12,96,168,120);
jsp.setBackground(java.awt.Color.lightGray);
cp.add(jsp);
this.tree.addMouseListener(new MouseHandler());
textArea2.append("\nClient:" + alias + "has disconnected");
private void receiveMessage(String str,Hashtable rfiles,String alias,String group)
boolean flag=true;
UIManager.put("JFrame.activeTitleBackground", new Color(64,128,255));
UIManager.put("JFrame.activeTitleForeground", Color.white);
UIManager.put("JFrame.inactiveTitleBackground", new Color(128,128,128));
UIManager.put("JFrame.inactiveTitleForeground", Color.black);
SwingUtilities.updateComponentTreeUI(this);
try{
if(alias.equals(""))
doc.insertString(doc.getLength(),"CHATMASTER>>",textpanel.getStyle("bold"));
doc.insertString(doc.getLength(),str+ newline,textpanel.getStyle("normal"));
else
doc.insertString(doc.getLength(),alias + "@" + group + ">>",textpanel.getStyle("bold"));
doc.insertString(doc.getLength(),str,textpanel.getStyle("normal"));
//add files to textpanel
if(rfiles!=null && rfiles.size()>0)
doc.insertString(doc.getLength(),newline+"Attachments>>",textpanel.getStyle("attach"));
showattach(rfiles);
addtoList(rfiles);
doc.insertString(doc.getLength(),newline,textpanel.getStyle("normal"));
catch(Exception e)
e.printStackTrace();
dialog.showMessageDialog(client,e.toString(),"Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
cp.repaint();
protected boolean ContactServer(String alias,String servername,String group)
try{
//UnicastRemoteObject.exportObject(this);
//server=(ServerInterface)Naming.lookup("//gpt02d05:5500/" + servername);
// server.notifyMe(this,alias,group);
//change the settings of buttons
button1.setEnabled(true);
button2.setEnabled(true);
button3.setText("Disconnect");
label8.setVisible(true);
label8.setText(" Welcome::" + alias);
//putting values of alias and group for sending messages
fromalias=alias;
fromgroup=group;
CONNECT=true;
return true;
catch(UnsupportedOperationException e)
dialog.showMessageDialog(client,"Client with the Same Alias in " + group + " already exists","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
try{
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception ev){System.out.println(ev.toString());}
catch(Exception e)
dialog.showMessageDialog(client,"Unable to connect to Server","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
try{
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception ev){System.out.println(ev.toString());}
return false;
public static void main(String args[]) throws RemoteException{
client=new Client();
}//main ends
public void getSound(int count)
Toolkit t1=getToolkit();
for(int i=0;i<count;i++)
t1.beep();
try{
Thread.sleep(500);
catch(Exception e){}
public void setTreeModel()
ImageIcon i1=new ImageIcon("Lock.gif","No Users");
ImageIcon i2=new ImageIcon("Connec.gif","Users in Group");
ImageIcon i3=new ImageIcon("authorbn.gif","An User");
DefaultTreeCellRenderer dr1= new DefaultTreeCellRenderer();
dr1.setClosedIcon(i1);
dr1.setOpenIcon(i2);
dr1.setLeafIcon(i3);
dr1.setTextSelectionColor(java.awt.Color.red);
tree.setCellRenderer(dr1);
//add received files to the list
private void addtoList(Hashtable rfiles)
Enumeration filelist=rfiles.keys();
while(filelist.hasMoreElements())
File file=(File)filelist.nextElement();
this.rfiles.put(file,rfiles.get(file));
//show the attachments received
private void showattach(Hashtable rfiles)
Enumeration filelist=rfiles.keys();
dsource=DragSource.getDefaultDragSource();
JButton b1=null;
while(filelist.hasMoreElements())
File file=(File)filelist.nextElement();
Icon icon=chooser.getIcon(file);
b1=new JButton(icon);
b1.setBackground(java.awt.Color.gray);
b1.setToolTipText(file.getName());
b1.addMouseListener(new AttachmentHandler());
Dimension d1=new Dimension(icon.getIconWidth(),icon.getIconHeight());
b1.setMaximumSize(d1);
hfiles.put(b1,file);
textpanel.setCaretPosition(doc.getLength());
textpanel.insertComponent(b1);
b1.setSize(icon.getIconWidth(),icon.getIconHeight());
dsource.createDefaultDragGestureRecognizer(b1, DnDConstants.ACTION_COPY_OR_MOVE,new DragGestureHandler());
cp.repaint();
private void savefile(File file,Object parent)
//ExtensionFileFilter filter = new ExtensionFileFilter(false);
//filter.addExtension("txt",true);
//chooser.setFileFilter(filter);
int returnVal = chooser.showSaveDialog(client);
if(returnVal ==JFileChooser.APPROVE_OPTION)
try{
FileOutputStream fstream=new FileOutputStream(chooser.getSelectedFile());
//decide whether the file received or sent is to be saved
if(((Container)parent).equals(textArea1))
fstream.write((byte[])files.get(file));
else
fstream.write((byte[])rfiles.get(file));
fstream.close();
System.out.println(file.getName());
catch(Exception e)
{System.out.println(e.toString()); }
private void openfile(File file,Object parent)
File tempfile=null;
try{
String fname=file.getName();
tempfile=File.createTempFile("temp",fname.substring(fname.lastIndexOf(".")));
FileOutputStream fstream=new FileOutputStream(tempfile);
System.out.println(tempfile.getAbsolutePath());
//decide whether the file received or sent is to be saved
if(((Container)parent).equals(textArea1))
fstream.write((byte[])files.get(file));
else
fstream.write((byte[])rfiles.get(file));
fstream.close();
catch(Exception e){System.out.println(e.toString());}
try{
Process p1=r1.exec("cmd /c start " + tempfile.getAbsolutePath());
p1.waitFor();
catch(Exception e){System.out.println(e.toString());}
//inner classes
class ComponentHandler implements ContainerListener{
public void componentRemoved(ContainerEvent ev)
Container cont=(Container)ev.getChild();
if(cont.getComponentCount()>0)
JButton but=(JButton)cont.getComponent(0);
files.remove((File)hfiles.get(but));
hfiles.remove(but);
public void componentAdded(ContainerEvent ev){}
class AttachmentHandler extends MouseAdapter{
public void mouseClicked(MouseEvent ev){
if(ev.getModifiers()==4)
Component comp=(Component)ev.getSource();
File file=(File)hfiles.get(comp);
popup=new JPopupMenu();
JMenuItem popopen=new JMenuItem("Open");
JMenuItem popsave=new JMenuItem("Save As..");
popup.add(popopen);
System.out.println(comp.getParent().getParent().getClass().toString());
popopen.addActionListener(new ButtonHandler(file,comp.getParent().getParent()));
popup.add(popsave);
popsave.addActionListener(new ButtonHandler(file,comp.getParent().getParent()));
popup.show(comp,12,12);
class DragGestureHandler extends Vector implements DragGestureListener,DragSourceListener,Transferable{
final static int FILE = 0;
final static int STRING = 1;
final static int PLAIN = 2;
DataFlavor flavors[] = {DataFlavor.javaFileListFlavor,DataFlavor.stringFlavor,DataFlavor.plainTextFlavor};
public void dragDropEnd(DragSourceDropEvent ev){}
public void dragEnter(DragSourceDragEvent ev){}
public void dragExit(DragSourceEvent ev){}
public void dragOver(DragSourceDragEvent ev){}
public void dropActionChanged(DragSourceDragEvent ev){}
public void dragGestureRecognized(DragGestureEvent ev)
System.out.println("recognized");
File file=(File)hfiles.get(ev.getComponent());
addElement(file);
ev.startDrag(DragSource.DefaultCopyDrop,this,this);
/* Returns the array of flavors in which it can provide the data. */
public synchronized DataFlavor[] getTransferDataFlavors() {
return flavors;
/* Returns whether the requested flavor is supported by this object. */
public boolean isDataFlavorSupported(DataFlavor flavor) {
boolean b = false;
b |=flavor.equals(flavors[FILE]);
b |= flavor.equals(flavors[STRING]);
b |= flavor.equals(flavors[PLAIN]);
return (b);
public synchronized Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException,IOException
if(flavor.equals(flavors[FILE])){return this;}
else if (flavor.equals(flavors[PLAIN])) {
return new StringReader(((File)elementAt(0)).getAbsolutePath());
} else if (flavor.equals(flavors[STRING])) {
return((File)elementAt(0)).getAbsolutePath();
} else {
throw new UnsupportedFlavorException(flavor);
//inner class for draging in the files on java frame
class DragDropHandler implements DropTargetListener{
public void dragEnter(DropTargetDragEvent ev){
public void dragExit(DropTargetEvent ev){
public void dragOver(DropTargetDragEvent ev){
public void drop(DropTargetDropEvent ev){
Transferable tf1=ev.getTransferable();
DataFlavor fl[]=ev.getCurrentDataFlavors();
if(ev.isDataFlavorSupported(DataFlavor.javaFileListFlavor))
ev.acceptDrop (DnDConstants.ACTION_COPY_OR_MOVE);
try{
java.util.List fileList = (java.util.List)tf1.getTransferData(DataFlavor.javaFileListFlavor);
Iterator iterator = fileList.iterator();
while (iterator.hasNext())
File file = (File)iterator.next();
if(file.isFile())
Icon icon=chooser.getIcon(file);
FileInputStream fstream=new FileInputStream(file);
int filedata=(new Double(file.length())).intValue();
byte bytes[]=new byte[filedata];
fstream.read(bytes);
files.put(file,bytes);
ev.getDropTargetContext().dropComplete(true);
addAttach(fileList);
catch(Exception e)
{System.out.println(e.toString() + "here");}
public void dropActionChanged(DropTargetDragEvent ev){
class MouseHandler extends MouseAdapter{
public void mouseClicked(MouseEvent me)
TreePath tp=tree.getPathForLocation(me.getX(),me.getY());
if(tp!=null)
if(tp.getPathCount()==3)
toalias=tp.getPathComponent(2).toString();
togroup=tp.getPathComponent(1).toString();
System.out.println(toalias);
if (!(toalias.equals(fromalias) && togroup.equals(fromgroup)))
System.out.println("hh " + toalias);
label4.setText(tp.getPathComponent(2).toString() + "_@" + tp.getPathComponent(1).toString());
class ButtonHandler implements ActionListener{
private File file;
private Object parent;
//constructors
public ButtonHandler()
public ButtonHandler(File file,Object parent)
this.file=file;
this.parent=parent;
//other functions
public void actionPerformed(ActionEvent ev){
String s=ev.getActionCommand();
System.out.println(s);
if(s.equals("Send with Audio..."))
//Audio audio=new Audio(client,false,"CAPTURE");
if(s.equals("Disconnect"))
try{
// server.disconnect(client);
client.getSound(3);
cp.remove(jsp);
label6.setVisible(false);
//UnicastRemoteObject.unexportObject(client,true);
button3.setText("Connect");
textArea2.append("\nYou have been disconnected to Server");
client.repaint();
catch(Exception e)
System.out.println(e.toString());
if(s.equals("Connect"))
// clp=new ClientProperties(client,false);
if(s.equals("Save As.."))
savefile(file,parent);
if(s.equals("Open"))
openfile(file,parent);
if(s.equals("Attach"))
//ExtensionFileFilter filter = new ExtensionFileFilter(false);
//filter.addExtension(".txt",true);
//filter.setDescription("Text Files(.txt)");
// chooser.setFileFilter(filter);
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
//chooser.setMultiSelectionEnabled(true);
int returnVal = chooser.showOpenDialog(client);
if(returnVal ==JFileChooser.APPROVE_OPTION)
//File fp[]=chooser.getSelectedFiles();
File fp[]=new File[1];
fp[0]=chooser.getSelectedFile();
int i=0;
while(i<fp.length)
try{
File file=fp[0];
Icon icon=chooser.getIcon(file);
FileInputStream fstream=new FileInputStream(file);
int filedata=(new Double(file.length())).intValue();
byte bytes[]=new byte[filedata];
fstream.read(bytes);
files.put(file,bytes);
catch(Exception e){dialog.showMessageDialog(client,e.toString(),"Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
return; }
i++;
java.util.List fileList=Arrays.asList(fp);
addAttach(fileList);
if(s.equals("Send"))
try{
if(toalias==null)
dialog.showMessageDialog(client,"Select the Recepient First!!","Error:ChatApplication",JOptionPane.ERROR_MESSAGE);
return;
if(toalias!=null && togroup!=null && (!toalias.equals(fromalias)))
// server.sendMessage(textArea1.getText(),files,toalias,togroup,fromalias,fromgroup);
textArea1.setText("");
catch(Exception e)
e.printStackTrace();
}//if ends
class WindowEventHandler extends WindowAdapter{
public void windowClosing(WindowEvent ev){
try{
//server.disconnect(client);
client.getSound(3);
// UnicastRemoteObject.unexportObject(client,true);
catch(Exception e){System.out.println(e.toString());}
dispose();
private class onshutdown extends Thread{
public void run(){
try{
//server.disconnect(client);
//UnicastRemoteObject.unexportObject(client,true);
catch(Exception e){}
}//run ends
I hope this helps,
Denis
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