Issues with Weblogic connection pool creation
Hi,
I need to create a Connection pool in weblogic to access a mdb file(MS Access) .
Iam not able to see any precoded drivers in weblogic for accessing MS Access.
Let me know if anyone has details on this.
Thanks.
I tried this one and this seems to be a trial version.
Are there any free apis available? In case there are any other way do let me know.
Thanks.
Similar Messages
-
Issues with JDBC Connection Pooling
Hi all,
I'm experiencing some unexpected behaviour when trying to use JDBC Connection Pooling with my BC4J applications.
The configuraiton is -
Web Application using BC4J in local mode
Using Default Connection Stagegy
Stateless Release Mode
Retrieving Application Modules using Configuration.createRootApplicationModule( am , cf );
Returning Application Modules using Configuration.releaseRootApplicationModule( am, false );
Three application modules
AppModuleA - connects to DatabaseConnection1
AppModuleB - connects to DatabaseConnection2
AppModuleC - connects to DatabaseConnection2
My requirement is to -
Use App Module Pooling and have individual pool for each Application Module
Use JDBC Pooling and have individual pool for each Database connection
Note: All configuration was achieved in design mode (i.e. right clicking AppModule->Configurations...)
1. Initial approach -
In the configuration for each Application Module I specified the connection type as 'JDBC Datasource' and specified to approriate datasource.
Tried setting doConnecitonPooling to 'true' as well as 'false'
In the data-sources.xml I specified all the appropriate info including min-connections and max-connections.
I would expect, with the above config that BC4J would use OC4J's built in JDBC connection pooling.
2. Second approach -
In the configuration for each Application Module I specified the connection type as JDBC URL.
In the configuration I specified doConnectionPooling = 'true' as well as the max connection, max available and min available
What I experienced in both cases was that the max connections seem to be ignored as the number of connection as reported by the database (v$session) was exceeded by more than 10.
In addition to this once the load was removed the number of JDBC connecitons did not drop (I would have expected it to drop to max available connections)
My questions are -
1. When specifying to use a 'JDBC Datasource' style of connection, is it in fact OC4J that is then responsible for pooling JDBC connections? And in this case should BC4J's doConnectionPooling parameter be set to true or false?
2. Are there any known issues with the use of the JDBC Conneciton Pool as stated by the above to approaches?Thanks for the additional info. Please see my comments. below.
Sorry should have been more specififc -
1. Is each application pool using a different JDBC user? You mentioned DatabaseConnection1 and DatabaseConnection2
above; are these connections to different schemas / users? If so, BC4J will create a separate connection pool for each
JDBC user. Each connection pool will have its own maximum pool size.
Each 'DatabaseConnection' refers to a different database, actually hosted on a seperate physical server, different
schema and different user.BC4J will maintain a separate connection pool for each permutation of JDBC URL / schema. If each user is connecting
to a different DB instance then I would expect no greater than 10 DB sessions. However, if a DB instance is hosting
more than user then I would expect greater than 10 DB sessions (though still no more than 10 DB sessions per user).
2. Are all the v$session sessions related to the JDBC clients? There should be at least one additional database
session which will be related to the session that is querying v$session.
When querying the v$session table I specifically look for connections from the user in quesiton and from the machine
name in question and in doing so eliminate the database system's connections, as well as the query tools'
connection. One area I'm not sure about is the connection BC4J uses to write to its temporary tables. I am using
Stateless release mode and have not explicetly stated to save to the database but I'm wondering if it still does if so
and how does it come into the equation with max connections?BC4J's internal connections are also pooled and the limits apply as mentioned above. So, if you have specified
internal connection info for a schema which is different than the users above I would expect the additional conns.
One helpful diagnostic tool, albeit programmatic, might be to print the information about the connection pools after
your test client(s) have finished. This may be accomplished as follows:
// get a reference to the BC4J connection pool manager
import oracle.jbo.server.ConnectionPoolManagerFactory;
import oracle.jbo.server.ConnectionPoolManagerImpl;
import oracle.jbo.pool.ResourcePool;
import java.io.PrintWriter;
import java.util.Enumeration;
// get the ConnectionPoolManager. assume that it is an instance of the supplied manager
ConnectionPoolManagerImpl mgr = (ConnectionPoolManagerImpl)ConnectionPoolManagerFactory.getConnectionPoolManager();
Enumeration keys = mgr.getResourcePoolKeys();
PrintWriter pw = new PrintWriter(System.out, true);
while (keys.hasMoreElements())
Object key = keys.nextElement();
ResourcePool pool = (ResourcePool)mgr.getResourcePool(key);
System.out.println("Dumping pool statistics for pool: " + key);
pool.dumpPoolStatistics(pw);
} -
Problem with creating Connection pool and JNDI, driver is not detected
Hi,
I have an issue with creating Connection Pool and JNDI.
I'm using:
- JDK 1.6
- OS: Linux(ubuntu 8.10)
- Netbeans IDE 6.5.1
- Java EE 5.0
- Apache Tomcat 6.0.18 Its lib directory contains all necessary jar files for Oracle database driver
- Oracle 11g Enterprise
My problem is that the Oracle database driver is not detected when I want to create a pool (it works pretty well and is detected without any problem when I create ordinary connection by DriverManager)
Therefore after running:
InitialContext ic = new InitialContext();
Context context = (Context)ic.lookup("java:comp/env");
DataSource dataSource = (DataSource)context.lookup("jdbc/oracle11g");
Connection connection = dataSource.getConnection();and right after dataSource.getConnection() I have the following exception:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class 'oracle.jdbc.OracleDriver'
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1136)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
at servlets.Servlet1.doPost(Servlet1.java:47)
at servlets.Servlet1.doGet(Servlet1.java:29)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at sun.misc.Launcher$ExtClassLoader.findClass(Launcher.java:229)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1130)
... 17 more
My application context file (context.xml) is:
<?xml version="1.0" encoding="UTF-8"?>
<Context path="/WebApplication3">
<Resource auth="Container"
driverClassName="oracle.jdbc.OracleDriver"
maxActive="8"
maxIdle="4"
name="jdbc/oracle11g"
username="scott"
password="tiger"
type="javax.sql.DataSource"
url="jdbc:oracle:thin:@localhost:1521:database01" />
</Context>and my web.xml is:
<resource-ref>
<description>Oracle Datasource example</description>
<res-ref-name>jdbc/oracle11g</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
...I found similar threads in different forums including sun, such as
http://forums.sun.com/thread.jspa?threadID=567630&start=0&tstart=0
http://forums.sun.com/thread.jspa?threadID=639243&tstart=0
http://forums.sun.com/thread.jspa?threadID=5312178&tstart=0
, but no solution.
As many suggest, I also tried to put context directly in the server.xml (instead of my application context) and referencing it by <ResourceLink /> inside my application context but it didn't work and instead it gave me the following message:
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of class ' ' for connect URL 'null'
Has anyone succeeded in creating a connection pool with JNDI by using Tomcat 6 or higher ? If yes, could kindly explain about the applied method.
Regards,Hello again,
Finally I managed to run my application also with Tomcat 6.0.18. There was only two lines that had to be modified
in the context.xml file (the context of my application project and not server's)
Instead of writing
<Context antiJARLocking="true" path="/WebApplication2">
type="javax.sql.DataSource"
factory="org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory"
</Context>we had to write:
<Context antiJARLocking="true" path="/WebApplication2">
type="oracle.jdbc.pool.OracleDataSource"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
</Context>- No modification was needed to be done at server level (niether server.xml nor server context.xml)
- I just added the ojdbc6.jar in $CATALINA_HOME/lib (I didn't even need to add it in WEB-INF/lib of my project)
- The servlet used to do the test was the same that I presented in my precedent post.
For those who have encountered my problem and are interested in the format of the web.xml and context.xml
with Tomcat 6.0, you can find them below:
Oracle server: Oracle 11g Enterprise
Tomcat server version: 6.0.18
Oracle driver: ojdbc.jar
IDE: Netbeans 6.5.1
The context.xml file of the web application
<?xml version="1.0" encoding="UTF-8"?>
<Context antiJARLocking="true" path="/WebApplication2">
<Resource name="jdbc/oracle11g"
type="oracle.jdbc.pool.OracleDataSource"
factory="oracle.jdbc.pool.OracleDataSourceFactory"
url="jdbc:oracle:thin:@localhost:1521:database01"
driverClassName="oracle.jdbc.OracleDriver"
userName="scott"
password="tiger"
auth="Container"
maxActive="100"
maxIdle="30"
maxWait="10000"
logAbandoned="true"
removeAbandoned="true"
removeAbandonedTimeout="60" />
</Context>The web.xml of my web application
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<resource-ref>
<description>Oracle Database 11g DataSource</description>
<res-type>oracle.jdbc.pool.OracleDataSource</res-type>
<res-auth>Container</res-auth>
<res-ref-name>jdbc/oracle11g</res-ref-name>
</resource-ref>
<servlet>
<servlet-name>Servlet1</servlet-name>
<servlet-class>servlets.Servlet1</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Servlet1</servlet-name>
<url-pattern>/Servlet1</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>
30
</session-timeout>
</session-config>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>Ok, now I'm happy as the original problem is completely solved
Regards -
Issue while creating connection pool in weblogic using SERVICE NAME
Found two issues while creating connection pool in weblogic using SERVICE NAME
1. While running apps from jdeveloper using xxx-jdbc.xml
weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: Io exception: The Network Adapter could not establish the connection
at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:253)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1109)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1033)
at weblogic.common.resourcepool.ResourcePoolImpl.start(ResourcePoolImpl.java:214)
at weblogic.jdbc.common.internal.ConnectionPool.doStart(ConnectionPool.java:1051)
2. Configuriing the jndi in Weblogic server
weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
The Connection descriptor used by the client was:
localhost:1521:SERVICENAME
at weblogic.jdbc.common.internal.ConnectionEnvFactory.createResource(ConnectionEnvFactory.java:253)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1109)
at weblogic.common.resourcepool.ResourcePoolImpl.makeResources(ResourcePoolImpl.java:1033)
Problem
database url is generated based on SID
eg: jdbc:oracle:thin:@localhost:1521:SID
Solution
(generate seperate url for SERVICE NAME)
jdbc:oracle:thin:@localhost:1521/SERVICENAME
------------------------It is so clear: host not found error for network connection and the other SID servcie name not found means your oracle instance name is not up. check with srvctl status for given servcie name or node, else check CRS_Stat -t if you are using RAC.
-
Dynamic Connection Pool Creation Failing in a cluster
Hi,
I am trying to create a connection pool in a clustered environment. This connection
pool is created lazily behind a Stateless Session Bean. We first attempt to determine
whether, the connection pool exists using JdbcServices.poolExists(someName), and
create it if it does not exist. A failure occurs on creation because it looks
like the connection pool might have been created by a bean on a different weblogic
VM instance. Is there any way to dynamically create a connection pool and make
it visible to the whole cluster? Thanks in advance for any help. Michael Dolbear
Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence of connection pool
Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection pool ContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException: weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
at weblogic.management.internal.Helper.createMBean(Helper.java:383)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.java:47
2)
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:727
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:709
at com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.createConne
ctionPool(ConnectionPoolCreator.java:82)
at com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnectionPoo
lIfNonExistent(DataStoreRepository.java:211)
at com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createConnec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.create
ConnectionPoolIfNeeded(Unknown Source)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.getIma
ge(Unknown Source)
at com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unknown
Source)
at java.lang.reflect.Method.invoke(Native Method)
at com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescriptio
n.java:181)
at com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.java:7
9)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.java:
186)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invoke(Ser
viceBean_bjedmi_EOImpl.java:37)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSkel.inv
oke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence of connection
pool Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection pool ContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException: weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
at weblogic.management.internal.Helper.createMBean(Helper.java:383)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException: domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:134)
at com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.java:
2352)
at com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:874)
at weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBeanSer
verImpl.java:181)
at weblogic.management.internal.Helper.createMBean(Helper.java:376)
at weblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(RemoteMBean
ServerImpl.java:278)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
635)
at weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.java:
621)
at weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBeanHome
Impl.java:397)
at weblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.java:47
2)
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:727
at weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.java:709
at com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.createConne
ctionPool(ConnectionPoolCreator.java:82)
at com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnectionPoo
lIfNonExistent(DataStoreRepository.java:211)
at com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createConnec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.create
ConnectionPoolIfNeeded(Unknown Source)
at com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.getIma
ge(Unknown Source)
at com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unknown
Source)
at java.lang.reflect.Method.invoke(Native Method)
at com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescriptio
n.java:181)
at com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.java:7
9)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.java:
186)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invoke(Ser
viceBean_bjedmi_EOImpl.java:37)
at com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSkel.inv
oke(Unknown Source)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.java:93
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java:22)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)The only way to do it is using MBeans. You could search this newsgroup
for "JDBCConnectionPoolMBean" to get an idea of how it could be done.
Slava
P.S. http://search.bea.com/weblogic/gonews
"Mark Mortensen" <[email protected]> wrote in message
news:[email protected]...
>
Slava,
I am working with Mike on this issue and wanted to add some moreclarifications.
We have a two server cluster where one of the EJB's on one of the Managedservers
creates the connection pool. The problem comes in when a request comes tothe
second server in the cluster. The connection pool is created by the firstserver
but it is only assigned to the first server in the targets section on theconsole.
It isn't assigned to the cluster. Is there a way to programmaticallyassign the
pool to the cluster instead of just the server that created the pool?
-Mark
"Michael Dolear" <[email protected]> wrote:
Hi Slava,
Here is what I am doing. The code is spread across a couple of classes.
I am using
what was described in BEA's doc on dynamic connection pool creation.
I didn't
see anything about MBean apis required:
* Dynamically create a connection pool using
aConnectionPoolProperties.
Please
see ConnectionPoolCreator
* for the required properties that must be sent in.
* @param aConnectionPoolProperties
public synchronized void createConnectionPoolIfNonExistent(Properties
aConnectionPoolProperties)
throwsPersistenceFrameworkInitializationException
ConnectionPoolCreator tempPoolCreator;
Pool tempPool;
tempPoolCreator = new ConnectionPoolCreator();
tempPool =tempPoolCreator.getConnectionPool(aConnectionPoolProperties);
if (tempPool == null)
tempPoolCreator.createConnectionPool(aConnectionPoolProperties);
>>
* Create Connection pool given the properties that I have beenconfigured
with
* @return Pool
public Pool createConnectionPool(Properties aConnectionProperties)
throwsPersistenceFrameworkInitializationException
JdbcServices tempServices;
try
tempServices = this.lookupJdbcServices();
tempServices.createPool(aConnectionProperties);
returntempServices.getPool(aConnectionProperties.getProperty(CONNECTION_POOL_NAME)
catch (Exception e)
PersistenceFrameworkUtils.logException(e);
throw newPersistenceFrameworkInitializationException(e.getMessage());
* Answer a connectionPool or null.
* @return Pool
public Pool getConnectionPool(Properties aConnectionProperties)
throwsPersistenceFrameworkInitializationException
JdbcServices tempServices;
try
tempServices = this.lookupJdbcServices();
if (tempServices.poolExists(
aConnectionProperties.getProperty(CONNECTION_POOL_NAME)))
return tempServices.getPool(
aConnectionProperties.getProperty(CONNECTION_POOL_NAME));
else
return null;
catch (Exception e)
PersistenceFrameworkUtils.logException(e);
throw
newPersistenceFrameworkInitializationException(e.getMessage());
"Slava Imeshev" <[email protected]> wrote:
Hi Michael,
Could you show us the code? Without looking at the code
I can only say that JdbcServices.poolExists(someName)
returns true only in case the pool is up and running.
If the connection pool MBean was created but not assigned
a target, subsequent tries to create it would fail.
Regards,
Slava Imeshev
"Michael Dolbear" <[email protected]> wrote in message
news:[email protected]...
Hi,
I am trying to create a connection pool in a clustered environment.This
connection
pool is created lazily behind a Stateless Session Bean. We first
attempt
to determine
whether, the connection pool exists usingJdbcServices.poolExists(someName), and
create it if it does not exist. A failure occurs on creation becauseit
looks
like the connection pool might have been created by a bean on a
different
weblogic
VM instance. Is there any way to dynamically create a connection pooland
make
it visible to the whole cluster? Thanks in advance for any help.
Michael
Dolbear
Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence ofconnection pool
Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection poolContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException:weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
atweblogic.management.internal.Helper.createMBean(Helper.java:383)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at
weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.ja
va
:47
2)
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
727
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
709
at
com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.create
Co
nne
ctionPool(ConnectionPoolCreator.java:82)
at
com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnecti
on
Poo
lIfNonExistent(DataStoreRepository.java:211)
at
com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createC
on
nec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.c
re
ate
ConnectionPoolIfNeeded(Unknown Source)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.g
et
Ima
ge(Unknown Source)
at
com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unk
no
wn
Source)
at java.lang.reflect.Method.invoke(Native Method)
at
com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescr
ip
tio
n.java:181)
at
com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.j
av
a:7
9)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.
ja
va:
186)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invok
e(
Ser
viceBean_bjedmi_EOImpl.java:37)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSke
l.
inv
oke(Unknown Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.ja
va
:93
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Checking existence ofconnection
pool Content
ConnectionPool requested by user guest>
<Mar 28, 2002 5:35:08 PM MST> <Info> <JDBC> <Creating connection poolContentConnectionPoo
l requested by user guest>
weblogic.common.ResourceException:weblogic.management.MBeanCreationException:
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
--------------- nested within: ------------------
weblogic.management.MBeanCreationException: - with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool]
atweblogic.management.internal.Helper.createMBean(Helper.java:383)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
- with nested exception:
[javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=J
DBCConnectionPool
Start server side stack trace:
javax.management.InstanceAlreadyExistsException:domain:Name=ContentConnectionPool,Type=JD
BCConnectionPool
at
com.sun.management.jmx.RepositorySupport.addMBean(RepositorySupport.java:1
34
at
com.sun.management.jmx.MBeanServerImpl.internal_addObject(MBeanServerImpl.
ja
va:
2352)
at
com.sun.management.jmx.MBeanServerImpl.registerMBean(MBeanServerImpl.java:
87
4)
at
weblogic.management.internal.RemoteMBeanServerImpl.registerMBean(RemoteMBe
an
Ser
verImpl.java:181)
atweblogic.management.internal.Helper.createMBean(Helper.java:376)
atweblogic.management.internal.Helper.createAdminMBean(Helper.java:291)
at
weblogic.management.internal.RemoteMBeanServerImpl.createAdminMBean(Remote
MB
ean
ServerImpl.java:278)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
635)
at
weblogic.management.internal.MBeanHomeImpl.createAdminMBean(MBeanHomeImpl.
ja
va:
621)
at
weblogic.management.internal.AdminMBeanHomeImpl.createAdminMBean(AdminMBea
nH
ome
Impl.java:397)
atweblogic.management.internal.AdminMBeanHomeImpl_WLSkel.invoke(Unknown
Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
End server side stack trace
at
weblogic.jdbc.common.internal.ConnectionPool.dynaStartup(ConnectionPool.ja
va
:47
2)
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
727
at
weblogic.jdbc.common.internal.ConnectionPool.createPool(ConnectionPool.jav
a:
709
at
com.thc.ids.inf.framework.opf.rdbms.datastore.ConnectionPoolCreator.create
Co
nne
ctionPool(ConnectionPoolCreator.java:82)
at
com.thc.ids.inf.framework.opf.datastore.DataStoreRepository.createConnecti
on
Poo
lIfNonExistent(DataStoreRepository.java:211)
at
com.thc.ids.inf.util.persistence.content.ConnectionPoolInitializer.createC
on
nec
tionPoolIfNeeded(ConnectionPoolInitializer.java:48)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.c
re
ate
ConnectionPoolIfNeeded(Unknown Source)
at
com.thc.ids.inf.services.business.crs.spi.oracle.OracleRetrievalProvider.g
et
Ima
ge(Unknown Source)
at
com.thc.ids.inf.services.business.crs.ContentRetrievalService.getImage(Unk
no
wn
Source)
at java.lang.reflect.Method.invoke(Native Method)
at
com.thc.ids.inf.util.reflection.MethodDescription.invokeMethod(MethodDescr
ip
tio
n.java:181)
at
com.thc.ids.inf.util.reflection.MethodInvocation.invoke(MethodInvocation.j
av
a:7
9)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean.invoke(ServiceBean.
ja
va:
186)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl.invok
e(
Ser
viceBean_bjedmi_EOImpl.java:37)
at
com.thc.ids.inf.framework.service.J2EE.ejb.ServiceBean_bjedmi_EOImpl_WLSke
l.
inv
oke(Unknown Source)
atweblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:298)
at
weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerRef.ja
va
:93
at
weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.java:267
at
weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest.java
:2
2)
at
weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120) -
[原创] 有关Weblogic Connection Pool 连接恢复的问题
这是一个古老的问题，一直困扰我，这里既然碰到了，就看看能不能解决。
环境描述：
WEBLOGIC版本是8.1 SP2，数据库是SQL SERVER 2000，分别部署在两个服务器上。
第一步：
问题描述：
数据库服务器重新启动，导致WEBLOGIC 的CONNECTION POOL中的连接中断，EJB无法获得连接，导致应用出错。
解决方法：
进入WEBLOGIC ADMIN CONSOLE,
Services->JDBC->Connection Pools->Config->Connections， 点开Advanced Options.
打开 Test Reserved Connections ，Test Created Connections，Test Released Connections这三个选项。
将Test Table Name属性设置为:sysproperties(SQL Server系统表，即使自己的应用不存在，这个表也存在，而且默认的内部没有数据)
根据如下解释：
Connections that fail the test are closed and reopened to re-establish a valid physical database connection.
(You must specify a Test Table Name below.)
每次调用首先进行测试连接，如果测试失败连接将重新建立。
测试结果：
WEBLOGIC启动后，关闭数据库SQL SERVER，应用服务器前端调用此时失败。
重新启动SQL SERVER后，WEBLOGIC端略做等待，前端应用恢复正常。
第二步：
问题描述：
进一步测试，如果WEBLOGIC先启动，启动完成后再启动数据库。
在WEBLOGIC CONSOLE得到如下输出：
<2006-3-22 上午11时50分08秒 GMT+08:00> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for p
ool "MyJDBC Connection Pool": [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.>
<2006-3-22 上午11时50分10秒 GMT+08:00> <Error> <JDBC> <BEA-001150> <Connection Pool "MyJDBC Connection Pool" deployment
failed with the following error: 0:Could not create pool connection. The DBMS driver exception was: [Microsoft][SQLServe
r 2000 Driver for JDBC]Error establishing socket..>
<2006-3-22 上午11时50分10秒 GMT+08:00> <Error> <JDBC> <BEA-001151> <Data Source "MyJDBC Data Source" deployment failed w
ith the following error: DataSource(jdbc/OMSEIITxDS) can't be created with non-existent Pool (connection or multi) (MyJD
BC Connection Pool).>
Unable to deploy EJB: XXXXXXX from XXXXXXX.jar:
[EJB:011028]The DataSource with the JNDI name: jdbc/XXXXXX could not be located. Please ensure that the DataSource h
as been deployed successfully and that the JNDI name in your EJB Deployment descriptor is correct.
1、在默认初始化打开的连接一一失败以后，连接池发现可用的连接为0，郁闷的宣布自己部署失败。
2、接着数据源发现没有可用的连接池，自己也宣布部署失败。
3、下面所有的EJB发现不了数据源的JNDI名，部署也全部失败。
应用启动完成后，大部分EJB的状态为INACTIVE。前端应用无法使用，此时启动数据库，前端应用无法使用。
手动重新部署 EJB失败,错误还是找不到JNDI，前端应用无法使用。
手动重新部署 连接池，数据源后，部署EJB 依然失败。前端应用无法使用。
解决方法：
进入WEBLOGIC ADMIN CONSOLE,
Services->JDBC->Connection Pools->Config->Connections， 点开Advanced Options.
将
Connection Creation Retry Frequency 参数设置为 60。
ConnectionCreationRetryFrequencySeconds含义：
当创建数据库连接时,如果数据库不可用(如数据库没启动),隔多长时间试着重新创建该连接,
WLS8.1会每隔ConnectionCreationRetryFrequencySeconds秒重试一次.直到JDBC POOL创建成功
参考：http://dev2dev.bea.com.cn/techdoc/20030469.html，‘JDBC Connect Pool’部分。
英文解释可以直接控制台上看到，或者edocs查。
测试结果：
将数据库关闭，WEBLOGIC重新启动。
在WEBLOGIC CONSOLE得到如下输出：
打开Connection Creation Retry Frequency 参数后，连接池在第一轮尝试失败以后，就成功部署了，数据源也成功部署。
EJB部署会失败，但是提示也与先前的不同：
Unable to deploy EJB: XXXXXXX from XXXXXXX.jar:
weblogic.common.resourcepool.ResourceLimitException: No resources currently available in pool MyJDBC Connection Pool to
allocate to applications, please increase the size of the pool and retry..
每隔一段时间会看到，CONNECTION POOL不断的重新进行连接：
<2006-3-22 下午12时17分56秒 GMT+08:00> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for p
ool "MyJDBC Connection Pool": [Microsoft][SQLServer 2000 Driver for JDBC]Error establishing socket.>
在WEBLOGIC启动完成后，所有EJB为INACTIVE状态。
启动数据库服务器，稍后，手动重新部署所有的EJB，EJB可以部署成功，前端应用可以正常使用。
此时，此问题已经基本解决，仍需要手动部署EJB。
第三步：
问题描述：
解决方法：
有关部署次序的问题，首先查阅WEBLOGIC文档，http://edocs.bea.com/wls/docs81/faq/deploy.html#744900，得到
WebLogic Server deploys server-level resources (first JDBC and then JMS) before deploying applications.
Applications are deployed in this order: connectors, then EJBs, then Web Applications.
If the application is an EAR, the individual components are loaded in the order in which they are declared
in the application.xml deployment descriptor.
WEBLOGIC先部署服务器端资源，JDBC -> JMS....，然后部署我们的应用，EJB->WEB APPLICATION。
实际从WEBLOGIC启动日志来看，即使打开了Connection Creation Retry Frequency，如果当时数据库不是可用的，CONNECTION POOL
会不断的调度CONNECTION进行重新连接。但是此时，EJB的部署也同时在进行。个人猜测这应该是两个不同的线程（组）分别调度的任务。
现在考虑的是能不能用StartupClass截住EJB的部署过程，粗略的说是如果DATASOURCE没有连接好，或者没有可用的连接池，
就不往下进行EJB部署的过程。
参考：http://edocs.bea.com/wls/docs81/config_xml/EJBComponent.html#DeploymentOrder
DeploymentOrder：
A priority that the server uses to determine when it deploys an item. The priority is relative to other deployable
items of the same type. For example, the server prioritizes and deploys all EJBs before it prioritizes and
deploys startup classes.Items with the lowest Deployment Order value are deployed first.
There is no guarantee on the order of deployments with equal Deployment Order values.
There is no guarantee of ordering across clusters. Default: 1000 Minimum: 0 Maximum: 2N31-1
在部署同一类应用时，按照 DEPLOYMENT LOADER的数值决定，数值越小越先。（EJB的参数在ADMIN CONSOLE界面上叫做LOAD ORDER)
而且上面看来服务器是先部署EJB，再部署STARTUP CLASS，遗憾了。
好在STARTUP CLASS上有两个选项，
Run Before Application Deployments
Run Before Application Activations
这两个选项分别可以设置StartupClass分别在系统资源部署之前，以及在系统资源部署和用户应用部署之间启动。
选上Run Before Application Activations。
现在可以了，我写了一个STARTUP CLASS，思路见下：
主代码：
private void testConnection(){
while (!isTimeout() && !getConnection()){
try{
Thread.sleep(testInterval*1000);
}catch(Exception ignor){}
log("DBConnectHolder job finished with following status:");
log("Timeout:"+isTimeout +",Connection OK:"+isConnected);
测试结果：
只要配置的等待时间足够长，应用服务器先行启动的情况下，等待数据库启动后才进行EJB等等的部署。
（主要考虑如果数据库连接不OK，EJB启动了也没有太大用，还得手工重新部署。）算是比较完满的解决了问题。
另外一个思路是是否可行？ 通过MBean, 在CONNECTION 建立起来以后通知一把，进行EJB的重新部署。
没来得及研究，请有经验的同学帮我补充完善。
结论：
其实也没什么结论，只是把自己遇到问题，解决问题的思路写了一下。短时间内阅读的文献有限，可能采用了一些苯方法
，或者走了弯路，也请大家拍砖。
在WL8版本上，数据库连接进行恢复和重新连接的时候，上面提出的几个参数应该是比较重要的，我再次强调一下。
Services->JDBC->Connection Pools->Config->Connections， 点开Advanced Options.
Test Reserved Connections
Test Created Connections
Test Released Connections
Test Table Name
Connection Creation Retry Frequency在第一个情景中应该只需要打开Test Reserved Connections 就可以了。
Test Created Connections表示创建连接后放到pool之前进行测试看连接是否可用
Test Released Connections表示释放连接回到pool之前进行测试看连接是否可用
I think so！ -
ClassCastException while asting ResultSet to OracleResultSet. Using weblogic connection pool
Hi,
I am using weblogic server 5.1 and connection pools for accessing Oracle database.
We wanted to use BLOB in oracle and I coded the java class to insert data into BLOB
field.
When I code a sample calss without using weblogic pool, I do not have any problem.
But when I use the weblogic connection pool, I get classcastException as described
below:
I am using
"insert into shipmentCorrection (" + insfields + ") VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,empty_blob())"
to insert a dummy record with empty_blob and then getting the BLOB locater by the
following code:
java.sql.ResultSet rset = stmt.executeQuery ("SELECT zipped_pdf FROM shipmentCorrection
WHERE shipment_id ='"+ ShipmentId + "' and correction_num ="+ CorrectionNum +" and
Bl_Type = '"+ blType +"'" );
rset.next();
BLOB blob = ((OracleResultSet)rset).getBLOB(1);
java.io.OutputStream outstream = blob.getBinaryOutputStream();
IN the above line of code where I cast the ResultSet to OracleResultSet, I get the
classcastException as follows:
I donno how to solve this problem. Could any one please help me on this ?
java.lang.ClassCastException: weblogic.jdbc.pool.ResultSet
at fmweb.SQL.PdfDataSQL.insertPdfData(PdfDataSQL.java:347)
at fmweb.framework.ShipmentManagerImpl.insertPdfData(ShipmentManagerImpl
.java:2471)
at fmweb.framework.ShipmentManager_WLSkel.invoke(ShipmentManager_WLSkel.
java:1316)
at weblogic.rmi.extensions.BasicServerObjectAdapter.invoke(BasicServerOb
jectAdapter.java:347)
at weblogic.rmi.extensions.BasicRequestHandler.handleRequest(BasicReques
tHandler.java:69)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:15)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
Thanks,
Muralidaran ChakravarthyWhen using weblogic pool drivers it is not possible to cast to an Oracle
JDBC driver, (or any other driver )
pool driver hides the driver you have configured.
"Muralidaran Chakravarthy" <[email protected]> wrote in message
news:3ce16855$[email protected]..
>
Hi,
I am using weblogic server 5.1 and connection pools for accessing Oracledatabase.
We wanted to use BLOB in oracle and I coded the java class to insert datainto BLOB
field.
When I code a sample calss without using weblogic pool, I do not have anyproblem.
But when I use the weblogic connection pool, I get classcastException asdescribed
below:
I am using
"insert into shipmentCorrection (" + insfields + ") VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,empty_blob())"
>
to insert a dummy record with empty_blob and then getting the BLOB locaterby the
following code:
java.sql.ResultSet rset = stmt.executeQuery ("SELECT zipped_pdf FROMshipmentCorrection
WHERE shipment_id ='"+ ShipmentId + "' and correction_num ="+CorrectionNum +" and
Bl_Type = '"+ blType +"'" );
rset.next();
BLOB blob = ((OracleResultSet)rset).getBLOB(1);
java.io.OutputStream outstream = blob.getBinaryOutputStream();
IN the above line of code where I cast the ResultSet to OracleResultSet, Iget the
classcastException as follows:
I donno how to solve this problem. Could any one please help me on this ?
java.lang.ClassCastException: weblogic.jdbc.pool.ResultSet
at fmweb.SQL.PdfDataSQL.insertPdfData(PdfDataSQL.java:347)
atfmweb.framework.ShipmentManagerImpl.insertPdfData(ShipmentManagerImpl
java:2471)
atfmweb.framework.ShipmentManager_WLSkel.invoke(ShipmentManager_WLSkel.
java:1316)
atweblogic.rmi.extensions.BasicServerObjectAdapter.invoke(BasicServerOb
jectAdapter.java:347)
atweblogic.rmi.extensions.BasicRequestHandler.handleRequest(BasicReques
tHandler.java:69)
atweblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
java:15)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:135)
Thanks,
Muralidaran Chakravarthy -
Problem in retriving varray when using weblogic connection pool
Hi,
I had similar problem when we I am using the weblogic connection pool. I had similar setup i.e weblogic 5.1 servicepack9 and oracle 8.1.7.
I cofigarud the weblogic connection pool using Oracle thin driver.
But if I am using with oracle thin driver directly I am able to retrive.
If any one know how to retrive varray from procedure using weblogic connection pool please send me it.
Thanx.
Bye,
Satyahttp://docs.oracle.com/javase/6/docs/api/java/sql/Connection.html#setAutoCommit(boolean)
-
Weblogic Connection pool active even database listener down
Just wanted to check if sometime noticed this.
Today.. In production our Database listener was down and connection pools in weblogic were still working fine. But, when tried making a explicit call to DB it throws exception "The Network Adapter could not establish the connection"..
Couple of days back our production database was restarted. Sill weblogic connection pool was active without restart.
Any info. is appreciate..
ThanksHi Jung,
There is no timeout current that you can set on the connection pool. It will
be in a future release of WebLogic
sree
"Jung Yang" <[email protected]> wrote in message
news:[email protected]..
Thanks.
Yes I know that part.
However, I still would like to know how to get time out settings andchange
if I can.
Where can I do that?
- jung
"Sree Bodapati" <[email protected]> wrote in message
news:[email protected]..
set TestConnectionsOnReserve="true" in the pool and you should be all
set.
>>
sree
"Jung Yang" <[email protected]> wrote in message
news:[email protected]..
I am currently using WLS 6.0 SP2 RP2 with jdbc thin oracle driver.
What is the timeout setting on weblogic connection pool?
I would like to set max number of seconds waiting for reply to connect
to
a
database so that it does not wait too long before realizing that it isdown.
Also if there is a setting that can be configured, is it jdbc api
implementation or weblogic specific?
Thanks in advance. -
Problem with JCo Connection Pool
Hi,
I have a problem with using an RFC Model in my WebApplication. So sometimes the access to the function block works, and sometimes it doesn't work. Now I know, that there is a problem with the connection pool. Look at this message:
com.sap.mw.jco.JCO$Exception: (106) JCO_ERROR_RESOURCE: Connection pool WD_X24_MODELDATA_DEST_CPIC_REKTO_DE_useDefinedUser is exhausted. The current pool size limit (max connections) is 10 connections.
So it looks like a problem with closing the JCo Connections after using. Do know where the problem is? Because I'm using many other function blocks with no problems.Hello,
You need to increase the pool size via Visual Administrator.
Server 0 -> Services -> JCO RFC Connections.
Change the pool size from there. I believe a restart is in order.
Regards,
Jan -
Issues with WiFi connection to Deskjet 3545
Hi,
I have number of issues with WiFi connection to my new Deskjet 3545 AIO:
1. Printer is not able to get IP address automatically from home WiFi router (all other devices get IP with no problem). Using WPS allow printer to register in network but after switching off, WPS setting is not stored, so I have to do it again. This I was able to solve with manual entering of IP address, netwrok mask, DNS and gateway address.
2. Official HP software installed from HP site was able to find printer for 3dattempt, and it started to work. But after a while, "HP utility" program loose connection to printer, so I can not see any parameters, and I get "can not find printerä message when start to to print. After a some time (minutes to hours), whithout any action from my side, connection to printer seems to be restored, so I can see printer parameters in "HP utility" and printing is started.
3. Official HP software installed from HP site on PC (Windows 7) is not able to find printer on WiFi at all, works only with USB.
All this is disaponinting and unexpected, as my office HP LaserJet Pro 400 Color works perfect.Hi @DmiBro,
Welcome to the HP Forums!
I see that you are having some wireless issues with your HP Deskjet 3545 to your Mac OS X 10.10 and Windows 7 computers. I am sorry to hear this, but I am happy to help!
I would recommend the following guides:
HP Single-Function and Multifunction Printers - 'Printer is offline' Message Displays on the Compute.... (The solutions for OS X v10.8 Mountain Lion and OS X v10.9 Mavericks will work on Mac OS X 10.19 Yosemite.)
HP Single-Function and Multifunction Printers - 'Printer is offline' Message Displays on the Compute....
HP ENVY 4500 and HP Deskjet Ink Advantage 3540 e-All-in-One Printer Series - Printer Does Not Mainta....
Tips for troubleshooting wireless connection issues
The following tips can help you troubleshoot and avoid wireless connectivity issues. You can try these tips separately or in combination to get a successful wireless signal.
Move the printer and the computer closer to the router, but no closer than 6 ft (1.8 m). Wireless signals can be weaker at greater distances between the printer and the router.
If you are experiencing an intermittent wireless connection, try restarting your router. Consult your router manufacturer, Internet service provider, or network administrator for instructions on how to restart the router.
Remove any metal objects between the printer, the computer, and the router. Objects such as refrigerators, microwaves, or metal bookcases can interfere with wireless transmission.
Move any device that emits radio signals, such as microwaves and cordless telephones, farther away from the printer. Such devices can interfere with wireless signals.
I would also recommend this website, HP Wireless Printing Center - Troubleshooting Issues.
Hope this information is helpful, and have a nice day!
RnRMusicMan
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to say “Thanks” for helping! -
Issues with my connection when gaming (Insurgency)
Hello,
I just bought the MSI GT72 2QE. I am very pleased with de specs like the Geforce GTX 980m and the i4710hq but there is an issue that is bothering me some days now. When i am playing my beloved game Insurgency, i get ping spikes all the time. So i followed up some instruction on uninstalling the Killer software suite and just installing the drivers when i encountered the next problem. My Killer Wireless-n/a/ac 1525 Wireless Network Adapter couldn't find the drivers in the 'drivers only' package. But i did my best to find other drivers and accomplished after 5 hours full of frustration. So that is done but still doesn't solve my problem.
I don't know what to do anymore and I'm starting to think that maybe my Killer Wireless-n/a/ac 1525 Wireless Network Adapter is the issue. Maybe this is a hardware issue. I contacted the store where i bought it and they will contact me in 48 hours with a possible solution but the guy said that after all my effort it seems like a hardware issue indeed. You guys are my last hope or my laptop will be gone for 3 weeks at the factory.
Video of ping:
nl.tinypic.com/r/ztisd1/8
I hope someone has the solution.
Excuse me for my incorrect English, it's not my native language.
Bye!Thanks for your reply.
I'm glad (and I'm not glad for the others..) that I'm not the only one. But it's not because there are more devices connected to my router because I am the only one now and I'm still having this problem while my other laptop doesn't have any problems at all. I've tried everything so far now. Resetting my router, restarting my router, reinstalled windows, reinstalled drivers, got rid of the software suite, turned off firewalls, virusscanners etc. Everything.
I thought it was only with Insurgency but it's also bugging me with Battlefield 4.
So i have tried and done everything i could find on every forum on the internet. Still I don't get the download/upload/connection I am used to when using wireless. When i am in my room, which is 10m away from the wireless router, my download speed is max 1200 kb/s where I would easily get 2300 kb/s. Also when playing online games I am having big issues with my latency/ping. It goes from 60 to 200 to 400 and back every 15/20 seconds. I also own a Asus laptop and I don't have any issues at all with the wireless connection. When I am in my room there are no problems at all. I am starting to think that the Killer Wireless adapter is just a f*cked up thing. I bought a laptop (GT72 with 980m) for €2300 but I am having all these issues with the connection. It makes me really frustrated.
Longer vid of ingame netgraph:
nl.tinypic.com/r/97mjae/8
I am hoping that there is something that solves my issues. I'm starting to think that another wireless network adapter from another brand is the only option. Is there an option to change the wireless network adapter on my laptop because I will if I can. This piece of sh*t needs to be replaced.
Bye -
Issues with ODI connection to Hyperion Financial Management
Hi,
I am having some issues with ODI connection to Hyperion Financial Management. ODI and Financial management are setup on different machines.
The ‘Cluster(Data Server)’ name in Topology is given as ‘hfm03cl’. On reverse-engineering a model it gives the following error:
org.apache.bsf.BSFException: exception from Jython:
Traceback (innermost last):
File "<string>", line 38, in ?
com.hyperion.odi.common.ODIHAppException: Error occurred in driver while connecting to Financial Management application [HFM1] on [hfm03cl] using user-name [admin].
at com.hyperion.odi.hfm.ODIHFMAppConnection.<init>(ODIHFMAppConnection.java:58)
When HFM is installed on the same machine, it works fine. How does ODI identify a cluster on a different machine? Do I have to give the machine name along with the cluster name? If so, what is the format?
Thanks,
SuYou will need to have the HFM client installed on any machine that will be running ODI (i.e. Designer or Agent) that will be executing connections to an HFM server.
Once you have the HFM client installed, see if you can actually connect to HFM from that machine using the HFM client.
Couple of other thing, in the Physical Schema, have you set the Application Catalog and Work Catalog to the same HFM application?
Also, when you are reversing, are you using the local agent or one you have installed using agentservice?
geeo -
Since the Mountain Lion OS update today I've had issues with internet connection and e-mail, has anyone else?
That's what I would have thought, but even after saving the setting, as soon as I shut down my computer or log out of Mail, it automatically defaults back to 25. It's a bit frustrating.
Now I just need to figure out how to get rid of those horrible pop-up banners but still have my glass sound and number of emails in the red dot when I get an email...
These little tweaks are the only thing I HATE about upgrading my OS. -
I'm trying to connect to my home wifi with my imac gh5. After I enter the password it says connection timeout or password incorrect. I know there's no issue with the connection but I don't know what else to do. Does anyone know how to fix this problem?
What is the make & model of your home Wi-Fi router that you are attempting to connect your G5 iMac to? Which exact model of iMac do you have?
What wireless security type is your router using: WEP, WPA, or WPA2? If you temporarily disable wireless security, can the iMac connect to it now?
Maybe you are looking for
-
running os 10.9.2 and ever since I loaded it, I am showing that I have a flagged message,which I can't find. Also, now have a 'flagged' message mailbox that I did not add. any ideas how to clear an apparently nonexistent flagge message in Maverick?
-
How to get the script pathname?
I got the filename of javascript and pathname of javascript(not the active document file name) using the below javascript code in illustrator cs3. var path = $.fileName; But my problem was if i run the javascript through "extendscript toolkit" i got
-
Making an iWeb site for dialup users
I'd like tips on using iWeb 08 to make a site (to be part of my mac.com space) that will be suitable for people with dialup connexions to use. This is for a Friends of the Library organization for a rural branch library, and most of our area has no a
-
Lines - artefacts? - on raw files from d200
hello. this is the first time I've tried a forum.. my problem is old raw files that were originally imported into iphoto from a D200 (jpegs shot at same time are fine) - they appear ok but with thin coloured horizontal lines (artifacts?) - in iphoto,
-
How Can I get read and write permission for NTFS formatted external Hard Drive?
How can I use my external formatted disk on MAC with full permissions?