Hello Christopher, Let me post my thread dump here.
All HTTP threads are in WAITING state. "http-12453-346" daemon prio=10 tid=0x00007fbd3061f800 nid=0x59d0 in Object.wait() [0x00007fbbe124f000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) at java.lang.Object.wait(Object.java:485) at org.apache.tomcat.dbcp.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1104) - locked <0x000000072b18f320> (a org.apache.tomcat.dbcp.pool.impl.GenericObjectPool$Latch) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource.getConnection(PoolingDataSource.java:106) at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:1044) at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:82) at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161) at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577) at org.hibernate.loader.Loader.doQuery(Loader.java:696) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259) at org.hibernate.loader.Loader.doList(Loader.java:2232) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129) at org.hibernate.loader.Loader.list(Loader.java:2124) at org.hibernate.loader.custom.CustomLoader.list(CustomLoader.java:312) at org.hibernate.impl.SessionImpl.listCustomQuery(SessionImpl.java:1723) at org.hibernate.impl.AbstractSessionImpl.list(AbstractSessionImpl.java:165) at org.hibernate.impl.SQLQueryImpl.list(SQLQueryImpl.java:175) at com.adobe_services.orderservice.persistence.dao.impl.StoreEmailDAOImpl.findPendingEmailOidsForOrderNumber(StoreEmailDAOImpl.java:237) at com.adobe_services.orderservice.service.OrderServiceImpl.findPendingEmailOidsForOrderNumber_aroundBody4(OrderServiceImpl.java:670) at com.adobe_services.orderservice.service.OrderServiceImpl.findPendingEmailOidsForOrderNumber_aroundBody5$advice(OrderServiceImpl.java:37) at com.adobe_services.orderservice.service.OrderServiceImpl.findPendingEmailOidsForOrderNumber(OrderServiceImpl.java:1) at sun.reflect.GeneratedMethodAccessor948.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy112.findPendingEmailOidsForOrderNumber(Unknown Source) at sun.reflect.GeneratedMethodAccessor948.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.orm.hibernate3.HibernateInterceptor.invoke(HibernateInterceptor.java:111) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy113.findPendingEmailOidsForOrderNumber(Unknown Source) at sun.reflect.GeneratedMethodAccessor948.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy114.findPendingEmailOidsForOrderNumber(Unknown Source) at com.adobe_services.orderservice.facade.impl.EmailProcessorFacadeImpl.executeTask(EmailProcessorFacadeImpl.java:76) at com.adobe_services.orderservice.service.OrderProcessorService.postTask_aroundBody2(OrderProcessorService.java:174) at com.adobe_services.orderservice.service.OrderProcessorService.postTask_aroundBody3$advice(OrderProcessorService.java:37) at com.adobe_services.orderservice.service.OrderProcessorService.postTask(OrderProcessorService.java:1) at sun.reflect.GeneratedMethodAccessor1539.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:188) at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:104) at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:205) at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:102) at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:58) at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:94) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272) - locked <0x000000072b1b4128> (a org.apache.cxf.phase.PhaseInterceptorChain) at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121) at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:239) at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248) at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222) at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153) at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:206) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.adobe_services.monitor.MonitorContextFilter.doFilter(MonitorContextFilter.java:97) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) 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:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:554) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:662) oracle.jdbc.driver.BlockSource.ThreadedCachingBlockSource.BlockReleaser" daemon prio=10 tid=0x00007fbd3cb13000 nid=0x762b in Object.wait() [0x00007fbcdf5fd000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at oracle.jdbc.driver.BlockSource$ThreadedCachingBlockSource$BlockReleaser.run(BlockSource.java:327) - locked <0x00000007000535d0> (a oracle.jdbc.driver.BlockSource$ThreadedCachingBlockSource$BlockReleaser) On Mon, May 16, 2016 at 2:42 PM, Christopher Schultz < ch...@christopherschultz.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Pradeep, > > On 5/16/16 12:34 PM, pradeep reddy wrote: > > Hello Community, I have a weird issue, which I am not able to > > figure it out and needed some help. I am a Web Administrator and in > > my organization we use Tomcat + CXF to run our commerce services. > > > > We are running on Tomcat-6.0.32 and jdk1.6.0_24, anyways we have > > recently started to see issues with our connection pool and from > > our monitoring tools its evident that we are running out of > > connections. Now I have read some manuals on Apache Tomcat Page to > > use below three settings to fail gracefully and to Log those > > sessions which are either causing connection leak or abandoned > > > > removeAbandoned - set to true if we want to detect leaked > > connections removeAbandonedTimeout logAbandoned="true" > > > > > > But unfortunately even after having configured those above three > > settings, I still see some sessions just hanging in and not > > releasing the connection and I need help in understanding what I am > > doing wrong. > > > > My DS cnfiguration <Resource name="jdbc/XXXXXDataSource" > > auth="Container" type="javax.sql.DataSource" > > driverClassName="oracle.jdbc.OracleDriver" url="XXXXXXXXXXX" > > username="XXXXXX" password="XXXXXX" initialSize="1" maxActive="10" > > minIdle="1" maxIdle="1" connectionCachingEnabled="true" > > fastConnectionFailoverEnabled="true" > > connectionCacheProperties="{MinLimit=1, MaxLimit=20, > > InitialLimit=1, oracle.net.ns.SQLnetDef.TCP_CONNTIMEOUT_STR=3000}" > > ONSConfiguration="nodes=XXXXX" validationQuery="SELECT 1 from > > DUAL" removeAbandoned="true" removeAbandonedTimeout="30" > > logAbandoned="true" maxWait="-1"/> > > What do the stack traces look like or the hung threads? > > - -chris > -----BEGIN PGP SIGNATURE----- > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQIcBAEBCAAGBQJXOjC7AAoJEBzwKT+lPKRYl5oQAL+tSB6ZkBpMOqihbN79UHdG > LAKsRdenKPhphA2yjahoXIx9nWvSd03jsFy8uzJYe3ztyRkJGW4h7VAm37gAHkKl > sg/jtQzvtl4HYO6YI1v5OgljxR5GnK8CvGad5PhOg/s6/mLRZ9kfUdGgv6tCYHXe > lpoEOA8Em6tMaTwg1u07gXAqMEJyqg5QA3tYR3MU+0RALhNeVWgXNoEULol0FEil > PJVcAVN1WC6AX0qVa3JlXIK+PHHLDDZWLH7qrpo2nGVvcf/5oFf27N5AnnnarH87 > RtOWHjWgK4APRVkEEOSX8Pef7YAb2dj6E+6fgf+3v117eEwYJlkLWU5pS/6Q3zWm > 23obZllDks1clyYzs7C96zJukFb60wSRRGPdbHoSiKspH1J3/GavebaG7Sbg2ADB > DNLcWG0fd4FUmy+kbG+pPi3hdEdwOQ0c6kgaqH7ARDjdYtfVKV8kgCe6wpJlKx+k > WXfDK3cE2jWhUT/zx9VMutM+38gYk9G6ArUIZvOg5qdhcv6LvX299so3x8dEaL7w > D/NNz4+yTJGVfQMnJ4LTnZR+R6wCUdhpS0quSYo9ZJNpXGERo3NY0aV80g4S8MQJ > HObHoGDSUHDw4lScKCpIJYT7ZZ+Ok25fqyrlx+JN1fhsq7PcPtDQz/7FrRuhKEGa > z8kfsKuyduF8cW1gDj5h > =s/bM > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >