aravind kopparthi [http://community.jboss.org/people/aravindsk] created the discussion
"Re: SLSB pool size is always one in jboss 6.0 CR1 using ejb 3.1" To view the discussion, visit: http://community.jboss.org/message/572890#572890 -------------------------------------------------------------- i changed the implementation little bit so that i have completely removed the SingtonScheduleBean and moved the timer to SLSBean. from functionlaity wise it is doing exactly what i was expected in terms of firing timeout by container (timerservice) and calling aviable SLSB instances from the pool as i limited to 7. in the ejb-interseptors-aop.xml using StrictMaxPool=7 but server throws below exception( this make sense because i ristricted slsbs to be 7) and if the TimerService expires it has to wait for the SLSBs from completing their current process to get the 8th one. how to stop these ERRORS to be thrown in logs. 16:54:46,343 ERROR [org.jboss.ejb3.timerservice.mk2.task.TimerTask] Error during retyring timeout for timer: [id=960cd66d-3726-481b-a617-5e298ce86b73 timedObjectId=jboss.j2ee:jar=javaee6-app.war,name=SLSBProcessBean,service=EJB3 auto-timer?:true persistent?:false timerservice=org.jboss.ejb3.timerservice.mk2.timerservicei...@2cfbd8 initialExpiration=Wed Nov 24 00:00:00 EST 2010 intervalDuration(in milli sec)=0 nextExpiration=Wed Nov 24 16:53:22 EST 2010 timerState=IN_TIMEOUT: javax.ejb.EJBException: Failed to acquire the pool semaphore, strictTimeout=10000 at org.jboss.ejb3.pool.StrictMaxPool.acquire(StrictMaxPool.java:86) [:1.6.3] at org.jboss.ejb3.pool.StrictMaxPool.get(StrictMaxPool.java:145) [:1.6.3] at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:58) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.core.context.SessionInvocationContextAdapter.proceed(SessionInvocationContextAdapter.java:91) [:1.6.3] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:247) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.required(CMTTxInterceptor.java:349) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invoke(CMTTxInterceptor.java:209) [:0.0.1] at org.jboss.ejb3.tx2.aop.CMTTxInterceptorWrapper.invoke(CMTTxInterceptorWrapper.java:52) [:0.0.1] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) [:1.0.0.GA] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:41) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.BlockContainerShutdownInterceptor.invoke(BlockContainerShutdownInterceptor.java:67) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.core.context.CurrentInvocationContextInterceptor.invoke(CurrentInvocationContextInterceptor.java:47) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:67) [:1.0.1] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.interceptor.EJB3TCCLInterceptor.invoke(EJB3TCCLInterceptor.java:86) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.stateless.StatelessContainer.callTimeout(StatelessContainer.java:692) [:1.6.3] at org.jboss.ejb3.timerservice.mk2.task.CalendarTimerTask.callTimeout(CalendarTimerTask.java:80) [:1.0.0-alpha-10] at org.jboss.ejb3.timerservice.mk2.task.TimerTask.run(TimerTask.java:127) [:1.0.0-alpha-10] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [:1.6.0_13] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [:1.6.0_13] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [:1.6.0_13] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98) [:1.6.0_13] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:207) [:1.6.0_13] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_13] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_13] at java.lang.Thread.run(Thread.java:619) [:1.6.0_13] 16:54:46,343 ERROR [org.jboss.ejb3.timerservice.mk2.task.TimerTask] Error during retyring timeout for timer: [id=960cd66d-3726-481b-a617-5e298ce86b73 timedObjectId=jboss.j2ee:jar=javaee6-app.war,name=SLSBProcessBean,service=EJB3 auto-timer?:true persistent?:false timerservice=org.jboss.ejb3.timerservice.mk2.timerservicei...@2cfbd8 initialExpiration=Wed Nov 24 00:00:00 EST 2010 intervalDuration(in milli sec)=0 nextExpiration=Wed Nov 24 16:53:22 EST 2010 timerState=IN_TIMEOUT: javax.ejb.EJBException: Failed to acquire the pool semaphore, strictTimeout=10000 at org.jboss.ejb3.pool.StrictMaxPool.acquire(StrictMaxPool.java:86) [:1.6.3] at org.jboss.ejb3.pool.StrictMaxPool.get(StrictMaxPool.java:145) [:1.6.3] at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:58) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.core.context.SessionInvocationContextAdapter.proceed(SessionInvocationContextAdapter.java:91) [:1.6.3] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:247) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.required(CMTTxInterceptor.java:349) [:0.0.1] at org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invoke(CMTTxInterceptor.java:209) [:0.0.1] at org.jboss.ejb3.tx2.aop.CMTTxInterceptorWrapper.invoke(CMTTxInterceptorWrapper.java:52) [:0.0.1] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) [:1.0.0.GA] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:41) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.BlockContainerShutdownInterceptor.invoke(BlockContainerShutdownInterceptor.java:67) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.core.context.CurrentInvocationContextInterceptor.invoke(CurrentInvocationContextInterceptor.java:47) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:67) [:1.0.1] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.interceptor.EJB3TCCLInterceptor.invoke(EJB3TCCLInterceptor.java:86) [:1.6.3] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) [jboss-aop.jar:2.2.1.Alpha3] at org.jboss.ejb3.stateless.StatelessContainer.callTimeout(StatelessContainer.java:692) [:1.6.3] at org.jboss.ejb3.timerservice.mk2.task.CalendarTimerTask.callTimeout(CalendarTimerTask.java:80) [:1.0.0-alpha-10] at org.jboss.ejb3.timerservice.mk2.task.TimerTask.run(TimerTask.java:127) [:1.0.0-alpha-10] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [:1.6.0_13] at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) [:1.6.0_13] at java.util.concurrent.FutureTask.run(FutureTask.java:138) [:1.6.0_13] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98) [:1.6.0_13] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:207) [:1.6.0_13] at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_13] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_13] at java.lang.Thread.run(Thread.java:619) [:1.6.0_13] -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/572890#572890] Start a new discussion in EJB3 at Community 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