All connections in the universal connection pool are in use

I know it's the problem with connection pool is leaking or the some of the connection is not being released properly. Where are the parameters I can change in Weblogic?
I'm getting the following error in my OIM application running on WebLogic:
java.sql.SQLException: Exception occurred while getting connection: oracle.ucp.UniversalConnectionPoolException: All connections in the Universal Connection Pool are in use
at oracle.ucp.util.UCPErrorHandler.newSQLException(UCPErrorHandler.java:541)
at oracle.ucp.jdbc.PoolDataSourceImpl.throwSQLException(PoolDataSourceImpl.java:587)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:668)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:613)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:607)
at com.thortech.xl.util.DirectDB$DBPoolManager.getConnection(DirectDB.java:429)
at com.thortech.xl.util.DirectDB.getConnection(DirectDB.java:176)
at com.thortech.xl.dataaccess.tcDataBase.getConnection(tcDataBase.java:3217)
at com.thortech.xl.dataaccess.tcDataBase.readPartialPreparedStatement(tcDataBase.java:1229)
at com.thortech.xl.dataaccess.tcDataBase.readPreparedStatement(tcDataBase.java:1158)
at com.thortech.xl.ejb.databeansimpl.tcDataBaseBean.readPreparedStatement(tcDataBaseBean.java:426)
at com.thortech.xl.ejb.interfaces.tcDataBaseEJB.readPreparedStatementx(Unknown Source)
at sun.reflect.GeneratedMethodAccessor850.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.bea.core.repackaged.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.jee.spi.MethodInvocationVisitorImpl.visit(MethodInvocationVisitorImpl.java:37)
at weblogic.ejb.container.injection.EnvironmentInterceptorCallbackImpl.callback(EnvironmentInterceptorCallbackImpl.java:54)
at com.bea.core.repackaged.springframework.jee.spi.EnvironmentInterceptor.invoke(EnvironmentInterceptor.java:50)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:131)
at com.bea.core.repackaged.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:119)
at com.bea.core.repackaged.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at com.bea.core.repackaged.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy291.readPreparedStatementx(Unknown Source)
at com.thortech.xl.ejb.interfaces.tcDataBase_dco355_tcDataBaseRemoteImpl.readPreparedStatementx(tcDataBase_dco355_tcDataBaseRemoteImpl.java:1828)
at sun.reflect.GeneratedMethodAccessor1467.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:84)
at $Proxy292.readPreparedStatementx(Unknown Source)
at com.thortech.xl.ejb.interfaces.tcDataBaseDelegate.readPreparedStatement(Unknown Source)
at sun.reflect.GeneratedMethodAccessor848.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at Thor.API.Base.SecurityInvocationHandler$1.run(SecurityInvocationHandler.java:68)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.security.Security.runAs(Security.java:41)
at Thor.API.Security.LoginHandler.weblogicLoginSession.runAs(weblogicLoginSession.java:52)
at Thor.API.Base.SecurityInvocationHandler.invoke(SecurityInvocationHandler.java:79)
at $Proxy293.readPreparedStatement(Unknown Source)
at com.thortech.xl.dataaccess.tcDataBaseClient.readPreparedStatement(tcDataBaseClient.java:621)
at com.thortech.xl.dataobj.PreparedStatementUtil.execute(PreparedStatementUtil.java:60)
at com.thortech.xl.schedule.tasks.ReIssueAuditMessage.processAllByIdentifier(ReIssueAuditMessage.java:98)
at com.thortech.xl.schedule.tasks.ReIssueAuditMessage.execute(ReIssueAuditMessage.java:78)
at com.thortech.xl.scheduler.tasks.SchedulerBaseTask.execute(SchedulerBaseTask.java:384)
at oracle.iam.scheduler.vo.TaskSupport.executeJob(TaskSupport.java:144)
at sun.reflect.GeneratedMethodAccessor1653.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at oracle.iam.scheduler.impl.quartz.QuartzJob.execute(QuartzJob.java:167)
at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
Caused by: oracle.ucp.UniversalConnectionPoolException: All connections in the Universal Connection Pool are in use
at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:421)
at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:389)
at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:403)
at oracle.ucp.common.UniversalConnectionPoolImpl.newConnectionWaitFailedException(UniversalConnectionPoolImpl.java:416)
at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnectionWithoutCountingRequests(UniversalConnectionPoolImpl.java:279)
at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnection(UniversalConnectionPoolImpl.java:129)
at oracle.ucp.jdbc.JDBCConnectionPool.borrowConnection(JDBCConnectionPool.java:119)
at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:655)
... 58 more

It's not an issue WebLogic can address. The thortech application is independently using
the UCP connection pool product, not WebLogic connection pooling, so Thortech APIs
would be the only way to debug/reconfigure the UCP.

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name="ccf"
location="jdbc/ccf"
xa-location="jdbc/xa/ccf"
ejb-location="jdbc/ccfPool"
url="jdbc:oracle:thin:@erb:1521:prod"
connection-driver="oracle.jdbc.driver.OracleDriver"
username="scott"
password="tiger"
max-connections="300"
min-connections="5"
max-connect-attempts="10"
connection-retry-interval="1"
inactivity-timeout="30"
wait-timeout="30"
/>
I know that if we want to use a connection pool, we should use "ejb-location" and it is the only one used for emulated data sources. I also know that both "location" and "xa-connection" are used for non-emulated data sources.
Then my questions are:
1) Does non-emulated data source mean that it can not used for connection pooling? In other words, both "location" and "xa-location" can not be used for connection pooling? The only one that can be used for connection pooling is "ejb-location"?
2) How can I use a non-pooled connection? right now, I am using "location" for non-connnection pooling, is this the right way to do it? The documentation says that it will be deprecated in future release, then what should I use if I want a non-pooled connection? can I still use "ejb-location" by setting "min-connections" and "max-connections" to 1? This is assuming that we can NOT use "location" to get the data source.
3) Putting the username and password in the data-sources.xml seems not be good from the security point of view. But, if I am using CMP, I must supply the username and password in the data-sources.xml. Is there another way around this?
Thank you very much for the help in advance.
Jingzhi

Liu
I may not answer all ur questions.But would like to share my experiences....
3) U can set the username and password dynamically also...we use it in orion..so u should be able to use it in oc4j..as a matter of fact, we can set all the data-sources parameters dynamically(programmatically).
1) I may not be correct 100 percent with this :but for pooling only ejb-location is used and for non pooling location is used.
For non pooled connections also, use ejb-location and dont give any max and min connections..let it take the default values...
I am not aware that Oracle is going to deprecate the location ..well it is good to hear this which will reduce some confusion..
seems there is lot being raised on these topics..
yugandhar

All connections in the universal connection pool are in use

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