On 05/09/2013 17:15, Phil Steitz wrote:
> What version of [pool] are you running?

The code stack trace matches up with Pool 1.3 configured with
WHEN_EXHAUSTED_BLOCK

Hence the behaviour.

There are two issues here:
- one the configuration isn't doing what you think it is which is a
question for a Spring forum
- you are using an old version of pool with many known issues - you need
to upgrade.

Mark


> 
> Phil
> 
> On 9/5/13 9:08 AM, Programmer wrote:
>> Hi,
>>
>> We use Spring LDAP for LDAP connection pooling in our application. Spring
>> LDAP in turn uses apache commons pool API for managing its connection pool. 
>>
>> On testing our application for performance, we find stuck threads at our
>> weblogic thread dump. It appears that when the connection pool is exhausted
>> and request for new connection objects are not rejected by apache commons
>> with a NoSuchElement exception.
>>
>> Please advise on the problem
>>
>> *
>> Here is our connection pool configuration:*
>>
>> /<bean id="contextSource"
>> class="org.springframework.ldap.pool.factory.PoolingContextSource">
>>   <property name="contextSource" ref="contextSourceTarget" /> 
>>   <property name="dirContextValidator" ref="dirContextValidator" /> 
>>   <property name="testOnBorrow" value="true" /> 
>>   <property name="testWhileIdle" value="true" /> 
>>   <property name="maxActive" value="10" /> 
>> - <property name="whenExhaustedAction">
>>   <ref
>> bean="org.apache.commons.pool.impl.GenericObjectPool.WHEN_EXHAUSTED_FAIL" /> 
>>   </property>
>>   </bean>/
>>
>> *
>> Here is the weblogic thread dump:*
>>
>>          "[ACTIVE] ExecuteThread: '34' for queue: 'weblogic.kernel.Default
>> (self-tuning)'" waiting for lock
>> org.apache.commons.pool.impl.GenericKeyedObjectPool@6e812376 WAITING
>>           
>>              java.lang.Object.wait(Native Method)
>>           
>>              java.lang.Object.wait(Object.java:485)
>>           
>>             
>> org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:812)
>>           
>>             
>> org.springframework.ldap.pool.factory.PoolingContextSource.getContext(PoolingContextSource.java:422)
>>           
>>             
>> org.springframework.ldap.pool.factory.PoolingContextSource.getReadOnlyContext(PoolingContextSource.java:401)
>>           
>>             
>> org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:287)
>>           
>>             
>> org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:237)
>>           
>>             
>> org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:624)
>>           
>>             
>> org.springframework.ldap.core.LdapTemplate.search(LdapTemplate.java:535)
>>           
>>             
>> org.springframework.ldap.odm.core.impl.OdmManagerImpl.search(OdmManagerImpl.java:246)
>>           
>>             
>> com.rogers.yyy.servicebean.BaseServiceBean.queryDO(BaseServiceBean.java:148)
>>           
>>             
>> com.rogers.yyy.servicebean.OdmRoleServiceBean.queryRolXXXorDN(OdmRoleServiceBean.java:43)
>>           
>>             
>> com.rogers.yyy.ruleengine.RuleEngineManagerImpl.testoperation(RuleEngineManagerImpl.java:560)
>>           
>>              sun.reflect.GeneratedMethodAccessor197.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>>           
>>             
>> org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>>           
>>             
>> com.rogers.yyy.aspects.LoggerAspect.profile(LoggerAspect.java:45)
>>           
>>              sun.reflect.GeneratedMethodAccessor112.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>>           
>>             
>> org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>>           
>>             
>> org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>>           
>>             
>> org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>>           
>>             
>> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>>           
>>              $Proxy96.testoperation(Unknown Source)
>>           
>>              sun.reflect.GeneratedMethodAccessor196.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> com.rogers.yyy.serviceHandlers.yyyServiceHandlerAbstract.handle(yyyServiceHandlerAbstract.java:48)
>>           
>>              sun.reflect.GeneratedMethodAccessor111.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
>>           
>>             
>> org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80)
>>           
>>             
>> com.rogers.yyy.aspects.LoggerAspect.logRequestResponse(LoggerAspect.java:176)
>>           
>>              sun.reflect.GeneratedMethodAccessor110.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621)
>>           
>>             
>> org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610)
>>           
>>             
>> org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>>           
>>             
>> org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
>>           
>>             
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>>           
>>             
>> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
>>           
>>              $Proxy97.handle(Unknown Source)
>>           
>>             
>> com.rogers.yyy.XXXyyywebservice.XXXyyyWebService_XXXyyyWebServiceSOAPImpl.testoperation(XXXyyyWebService_XXXyyyWebServiceSOAPImpl.java:195)
>>           
>>              sun.reflect.GeneratedMethodAccessor195.invoke(Unknown Source)
>>           
>>             
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>           
>>              java.lang.reflect.Method.invoke(Method.java:597)
>>           
>>             
>> weblogic.wsee.jaxws.WLSInstanceResolver$WLSInvoker.invoke(WLSInstanceResolver.java:92)
>>           
>>             
>> weblogic.wsee.jaxws.WLSInstanceResolver$WLSInvoker.invoke(WLSInstanceResolver.java:74)
>>           
>>             
>> com.sun.xml.ws.server.InvokerTube$2.invoke(InvokerTube.java:151)
>>           
>>             
>> com.sun.xml.ws.server.sei.EndpointMethodHandlerImpl.invoke(EndpointMethodHandlerImpl.java:268)
>>           
>>             
>> com.sun.xml.ws.server.sei.SEIInvokerTube.processRequest(SEIInvokerTube.java:100)
>>           
>>              com.sun.xml.ws.api.pipe.Fiber.__doRun(Fiber.java:866)
>>           
>>              com.sun.xml.ws.api.pipe.Fiber._doRun(Fiber.java:815)
>>           
>>              com.sun.xml.ws.api.pipe.Fiber.doRun(Fiber.java:778)
>>           
>>              com.sun.xml.ws.api.pipe.Fiber.runSync(Fiber.java:680)
>>           
>>             
>> com.sun.xml.ws.server.WSEndpointImpl$2.process(WSEndpointImpl.java:403)
>>           
>>             
>> com.sun.xml.ws.transport.http.HttpAdapter$HttpToolkit.handle(HttpAdapter.java:532)
>>           
>>             
>> com.sun.xml.ws.transport.http.HttpAdapter.handle(HttpAdapter.java:253)
>>           
>>             
>> com.sun.xml.ws.transport.http.servlet.ServletAdapter.handle(ServletAdapter.java:140)
>>           
>>             
>> weblogic.wsee.jaxws.WLSServletAdapter.handle(WLSServletAdapter.java:171)
>>           
>>             
>> weblogic.wsee.jaxws.HttpServletAdapter$AuthorizedInvoke.run(HttpServletAdapter.java:708)
>>           
>>             
>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
>>           
>>             
>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)
>>           
>>             
>> weblogic.wsee.util.ServerSecurityHelper.authenticatedInvoke(ServerSecurityHelper.java:103)
>>           
>>             
>> weblogic.wsee.jaxws.HttpServletAdapter$3.run(HttpServletAdapter.java:311)
>>           
>>             
>> weblogic.wsee.jaxws.HttpServletAdapter.post(HttpServletAdapter.java:336)
>>           
>>             
>> weblogic.wsee.jaxws.JAXWSServlet.doRequest(JAXWSServlet.java:95)
>>           
>>             
>> weblogic.servlet.http.AbstractAsyncServlet.service(AbstractAsyncServlet.java:99)
>>           
>>              javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>>           
>>             
>> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
>>           
>>             
>> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
>>           
>>             
>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
>>           
>>             
>> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:183)
>>           
>>             
>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3717)
>>           
>>             
>> weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
>>           
>>             
>> weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
>>           
>>             
>> weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
>>           
>>             
>> weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
>>           
>>             
>> weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
>>           
>>             
>> weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
>>           
>>              weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
>>           
>>              weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
>>
>>
>>
>>
>>
>> --
>> View this message in context: 
>> http://apache-commons.680414.n4.nabble.com/Apache-Commons-Pool-performance-issue-tp4653614.html
>> Sent from the Commons - User mailing list archive at Nabble.com.
>>
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