Weird problem with java environment

Hi
I have been working on a project using JRE 1.5.0_06. We are developing everything on netBeans platform. Until two days ago everything was going fine when suddenly both the system and the netBeans have begun working weirdly. These are the problems:
1) When I make changes in a java source file and compile it using javac, those changes are not being reflected in the class file. In other words, on running the class file, I'm getting the older version. i can't make a thing out of it. Please help me out as my deadline is approaching. I tried both from inside netbeans and from the command line. The OS i'm using is windows XP. Further, netbeans is showing more strange problems. Even while debugging, it is skipping some lines in the code which have been modified - seems to be the same problem - those lines are not being compiled into the class file. I've been careful to check that I am using the correct class files. Did anybody had this problem before? Is it a bug in JRE or something like that? Do I have to reinstall JRE?
Thank you in advance,
venkat.

thanks....for your prompt reply.. I reinstalled both jre and jdk. But I could understand the problem. We have to compile using the java executable in jdk rather than jre.

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  • Weird problems with CSS being applied to JSF pages

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    =============================================================
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         at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:405)
         at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:130)
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         at org.apache.jasper.compiler.Parser.parseCustomTag(Parser.java:1367)
         at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1564)
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    Found some entries in the default trace from this morning:
    #1.#005056A15F78006A000004F400006D310004520B11DB3CE8#1216107404407#com.sap.security.core.jmx.impl.CompanyPrincipalFactory#sap.com/tc~wd~dispwda#com.sap.security.core.jmx.impl.CompanyPrincipalFactory.static Set evaluateDatasourcesToSearchFor(String[] requestDatasourceIds,     String privateType, Locale locale)#JALAROS#58762##nun.efteling.nl_POP_9750151#JALAROS#581700b0524011ddc029005056a15f78#SAPEngine_Application_Thread[impl:3]_36##0#0#Error##Java###Error while connecting to remote producer {0}
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            at com.sap.security.core.jmx.impl.CompanyPrincipalFactory.evaluateDatasourcesToSearchFor(CompanyPrincipalFactory.java:656)
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            at com.sap.security.core.jmx.impl.JmxSearchHelper.getSimpleEntitySearchResult(JmxSearchHelper.java:74)
            at com.sap.security.core.jmx.impl.JmxSearchHelper.calculateSimpleEntityTable(JmxSearchHelper.java:1182)
            at com.sap.security.core.jmx.impl.JmxServer.calculateSimpleEntityTableByDatasources(JmxServer.java:1061)
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            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
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            at com.sap.pj.jmx.introspect.DefaultMBeanInvoker.invoke(DefaultMBeanInvoker.java:58)
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            at com.sap.pj.jmx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:944)
            at com.sap.pj.jmx.server.interceptor.MBeanServerWrapperInterceptor.invoke(MBeanServerWrapperInterceptor.java:288)
            at com.sap.engine.services.jmx.CompletionInterceptor.invoke(CompletionInterceptor.java:409)
            at com.sap.pj.jmx.server.interceptor.BasicMBeanServerInterceptor.invoke(BasicMBeanServerInterceptor.java:277)
            at com.sap.jmx.provider.ProviderInterceptor.invoke(ProviderInterceptor.java:258)
            at com.sap.engine.services.jmx.RedirectInterceptor.invoke(RedirectInterceptor.java:340)
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            at com.sap.engine.services.jmx.ClusterInterceptor.invoke(ClusterInterceptor.java:776)
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            at com.sap.security.core.jmx._gen.IJmxServer$Impl.calculateSimpleEntityTableByDatasources(IJmxServer.java:717)
            at com.sap.security.core.wd.jmxmodel.JmxModelCompInterface.calculateSimpleEntityTable(JmxModelCompInterface.java:396)
            at com.sap.security.core.wd.jmxmodel.wdp.InternalJmxModelCompInterface.calculateSimpleEntityTable(InternalJmxModelCompInterface.java:443)
            at com.sap.security.core.wd.jmxmodel.wdp.InternalJmxModelCompInterface$External.calculateSimpleEntityTable(InternalJmxModelCompInterface.java:746)
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            at com.sap.security.core.wd.umeuifactory.wdp.InternalUmeUiFactoryCompInterface.getSimpleEntityTable(InternalUmeUiFactoryCompInterface.java:517)
            at com.sap.security.core.wd.umeuifactory.wdp.InternalUmeUiFactoryCompInterface$External.getSimpleEntityTable(InternalUmeUiFactoryCompInterface.java:894)
            at com.sap.security.core.wd.relaterole.RelateRoleComp.searchNewRoles(RelateRoleComp.java:259)
            at com.sap.security.core.wd.relaterole.wdp.InternalRelateRoleComp.searchNewRoles(InternalRelateRoleComp.java:282)
            at com.sap.security.core.wd.relaterole.AssignParentRolesView.onActionSearchNewRoles(AssignParentRolesView.java:215)
            at com.sap.security.core.wd.relaterole.wdp.InternalAssignParentRolesView.wdInvokeEventHandler(InternalAssignParentRolesView.java:261)
            at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)
            at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67)
            at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doHandleActionEvent(WindowPhaseModel.java:420)
            at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:132)
            at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
            at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
            at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:313)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingPortal(ClientSession.java:733)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:668)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250)
            at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
            at com.sap.tc.webdynpro.clientserver.session.core.ApplicationHandle.doProcessing(ApplicationHandle.java:73)
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            at com.sap.tc.webdynpro.portal.pb.impl.localwd.LocalApplicationProxy.sendDataAndProcessAction(LocalApplicationProxy.java:77)
            at com.sap.portal.pb.PageBuilder.updateApplications(PageBuilder.java:1257)
            at com.sap.portal.pb.PageBuilder.SendDataAndProcessAction(PageBuilder.java:325)
            at com.sap.portal.pb.PageBuilder$1.doPhase(PageBuilder.java:826)
            at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processPhaseListener(WindowPhaseModel.java:755)
            at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doPortalDispatch(WindowPhaseModel.java:717)
            at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:136)
            at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
            at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
            at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:313)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:713)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666)
            at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250)
            at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
            at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
            at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
            at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
            at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
            at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
            at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
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            at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
            at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
            at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
            at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
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    #1.#005056A15F78005C00000C0500006D310004520C6A394185#1216113181992#com.sap.engine.services.jmx.connector.p4.P4ConnectorServerImpl##com.sap.engine.services.jmx.connector.p4.P4ConnectorServerImpl#J2EE_GUEST#0####39aa6d20524e11ddaee2005056a15f78#SAPEngine_Application_Thread[impl:3]_29##0#0#Error#1#/System/Server#Java###Runtime exception occurred while processing external JMX request [ JMX request (java) v1.0 len: 150 |  src: 2 target-node: 9750150 req: getAttribute params-number: 2 params-bytes: 0 |  ]
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            at com.sap.engine.services.jmx.MessageClientSecurityWrapper.invokeMbs(MessageClientSecurityWrapper.java:38)
            at com.sap.engine.services.jmx.ClusterInterceptor.invokeMbs(ClusterInterceptor.java:196)
            at com.sap.engine.services.jmx.ClusterInterceptor.getAttribute(ClusterInterceptor.java:512)
            at com.sap.engine.services.jmx.MBeanServerInterceptorInvoker.invokeMbs(MBeanServerInterceptorInvoker.java:84)
            at com.sap.engine.services.jmx.connector.p4.P4ConnectorServerImpl.invokeMbs(P4ConnectorServerImpl.java:61)
            at com.sap.engine.services.jmx.connector.p4.P4ConnectorServerImplp4_Skel.dispatch(P4ConnectorServerImplp4_Skel.java:64)
            at com.sap.engine.services.rmi_p4.DispatchImpl._runInternal(DispatchImpl.java:313)
            at com.sap.engine.services.rmi_p4.DispatchImpl._run(DispatchImpl.java:199)
            at com.sap.engine.services.rmi_p4.server.P4SessionProcessor.request(P4SessionProcessor.java:136)
            at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
            at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
            at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
            at java.security.AccessController.doPrivileged(AccessController.java:180)
            at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
            at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)

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    /** procedure IzvajajNeprekinjeno() */
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    Best regards,
    Tomi

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    http://java.sun.com/docs/books/tutorial/uiswing/index.html
    This tutorial explains how to build a multi threaded gui.
    /Lime

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  • Problem with Java after Software Update to 10.5.7

    Hi,
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    2009-05-20 13:58:36 +0200: Installed "Java for Mac OS X 10.5 Update 3" (1.0)
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    2009-05-20 13:59:22 +0200: Installed "iPhoto Update" (7.1.5)
    2009-05-20 13:59:28 +0200: Installed "iLife Support" (9.0.2)
    2009-05-20 13:59:38 +0200: Installed "iDVD Update" (7.0.3)
    2009-05-20 13:59:58 +0200: Installed "iTunes" (8.1.1)
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    /usr/bin/java
    $ ls -ltr /usr/bin/java
    May 20 15:09 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
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    drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.4.2
    drwxr-xr-x 8 root wheel 272 Aug 31 2008 1.5.0
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    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.4 -> 1.4.2
    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.5 -> 1.5.0
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    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.6 -> 1.6.0
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    Hi,
    I am facing problem with Java after having run Software upgrades.
    Here is the whole story. I recently moved to iMac 10.5.6 from PowerPc 10.4. On this new machine I was having problem running a 3rd party application, which requires JVM. As this application worked well on Tiger, I decided to upgrade JVM on my iMAC using Software Upgrade(was I insane!!). As I like my systems to be updated (as with linux on my personal machine) I clicked "install all". As a result I have the following upgrades run on my machine:
    2009-05-20 13:12:01 +0200: Installed "Mac OS X Update Combined" (10.5.7)
    2009-05-20 13:12:10 +0200: Installed "Remote Desktop Client Update" (3.2.2)
    2009-05-20 13:12:26 +0200: Installed "Java For Mac OS X 10.5 Update 2" (1.0)
    2009-05-20 13:58:36 +0200: Installed "Java for Mac OS X 10.5 Update 3" (1.0)
    2009-05-20 13:58:44 +0200: Installed "AirPort Utility Software Update 2009-001" (5.4.1)
    2009-05-20 13:59:07 +0200: Installed "QuickTime" (7.6)
    2009-05-20 13:59:22 +0200: Installed "iPhoto Update" (7.1.5)
    2009-05-20 13:59:28 +0200: Installed "iLife Support" (9.0.2)
    2009-05-20 13:59:38 +0200: Installed "iDVD Update" (7.0.3)
    2009-05-20 13:59:58 +0200: Installed "iTunes" (8.1.1)
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    $ which java
    /usr/bin/java
    $ ls -ltr /usr/bin/java
    May 20 15:09 /usr/bin/java -> /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java
    $java (no response)
    Here is the output of $ top
    PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
    703 java 98.8% 0:38.54 3 110 72 480K 184K 1964K 40M
    Any clues?
    Details of JavaVM on my machine
    $ pwd
    /System/Library/Frameworks/JavaVM.framework/Versions
    $ ls -ltr
    total 56
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    lrwxr-xr-x 1 root wheel 3 Aug 31 2008 1.4.1 -> 1.4
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    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.4 -> 1.4.2
    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.5 -> 1.5.0
    drwxr-xr-x 8 root wheel 272 May 20 13:12 1.6.0
    lrwxr-xr-x 1 root wheel 5 May 20 13:12 1.6 -> 1.6.0
    drwxr-xr-x 8 root wheel 272 May 20 13:12 A
    lrwxr-xr-x 1 root wheel 1 May 20 14:57 Current -> A
    lrwxr-xr-x 1 root wheel 3 May 20 14:59 CurrentJDK -> 1.5
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    cheers

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