Ok. i have the Thread Dump. Analyzing, the problem is with the class HashMap. here is the thread thump. I've highlighted in red the Threads with the problem.
Any solution? could be a programation error of the webapp? Thanks. 2011-07-28 11:26:30 Full thread dump Java HotSpot(TM) 64-Bit Server VM (20.0-b11 mixed mode): "Attach Listener" daemon prio=10 tid=0x00002aaab28f8000 nid=0x637e waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None ""http-bio-80"-exec-169" daemon prio=10 tid=0x00002aaab2b6a000 nid=0x5bcf waiting on condition [0x0000000043bb1000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-168" daemon prio=10 tid=0x00002aaab8312800 nid=0x5bcc waiting on condition [0x0000000040209000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-167" daemon prio=10 tid=0x00002aaab8345000 nid=0x5bcb waiting on condition [0x00000000433a9000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-166" daemon prio=10 tid=0x00002aaab3244800 nid=0x5bc9 waiting on condition [0x00000000439af000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-165" daemon prio=10 tid=0x00002aaab3f0a000 nid=0x5bc8 waiting on condition [0x00000000405a6000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-164" daemon prio=10 tid=0x00002aaab29bd800 nid=0x5bb0 waiting on condition [0x000000004279d000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-161" daemon prio=10 tid=0x00002aaab3f09000 nid=0x56ae waiting on condition [0x0000000043ab0000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-exec-157" daemon prio=10 tid=0x00002aaab28fe000 nid=0x5519 waiting on condition [0x0000000042aa0000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0a2bad0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-18" daemon prio=10 tid=0x00002aaab2767000 nid=0xad3 waiting on condition [0x00000000430a6000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-17" daemon prio=10 tid=0x00002aaab26db800 nid=0xaca waiting on condition [0x000000004289e000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-16" daemon prio=10 tid=0x00002aaab2768000 nid=0xabe waiting on condition [0x00000000432a8000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-15" daemon prio=10 tid=0x00002aaab2ebc000 nid=0x4d2 runnable [0x000000004299f000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:129) at org.apache.coyote.ajp.AjpProcessor.read(AjpProcessor.java:478) at org.apache.coyote.ajp.AjpProcessor.readMessage(AjpProcessor.java:562) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:237) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:183) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:169) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e4e71848> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e4e718c8> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) ""ajp-bio-8009"-exec-14" daemon prio=10 tid=0x00002aaab2ebb800 nid=0x4d1 waiting on condition [0x00000000431a7000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-13" daemon prio=10 tid=0x00002aaab2da9000 nid=0x4d0 waiting on condition [0x0000000042fa5000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-12" daemon prio=10 tid=0x00002aaab27c4800 nid=0x3e5 waiting on condition [0x0000000042ba1000] java.lang.Thread.State: WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000e0ade9d0> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:104) at org.apache.tomcat.util.threads.TaskQueue.take(TaskQueue.java:32) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-11" daemon prio=10 tid=0x00002aaab2e33800 nid=0x3e4 runnable [0x00000000434aa000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:129) at org.apache.coyote.ajp.AjpProcessor.read(AjpProcessor.java:478) at org.apache.coyote.ajp.AjpProcessor.readMessage(AjpProcessor.java:562) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:237) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:183) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:169) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e6207238> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e4d9fd00> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) ""ajp-bio-8009"-exec-10" daemon prio=10 tid=0x00002aaab29b0000 nid=0x7fd0 runnable [0x0000000042ca2000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:129) at org.apache.coyote.ajp.AjpProcessor.read(AjpProcessor.java:478) at org.apache.coyote.ajp.AjpProcessor.readMessage(AjpProcessor.java:562) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:237) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:183) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:169) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e4d115b0> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e4d11688> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) ""http-bio-80"-exec-107" daemon prio=10 tid=0x00002aaab31ea000 nid=0x47b2 runnable [0x00000000436ab000] java.lang.Thread.State: RUNNABLE at java.util.HashMap.get(HashMap.java:303) at sae.HTMLEncoder.encode(HTMLEncoder.java:46) at org.apache.jsp.buscarDobleColumna_jsp._jspService(buscarDobleColumna_jsp.java:137) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:182) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e5706680> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e48dd6b0> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) ""http-bio-80"-exec-89" daemon prio=10 tid=0x00002aaab31bc000 nid=0x34c7 runnable [0x00000000435aa000] java.lang.Thread.State: RUNNABLE at java.util.HashMap.get(HashMap.java:303) at sae.HTMLEncoder.encode(HTMLEncoder.java:46) at org.apache.jsp.buscarDobleColumna_jsp._jspService(buscarDobleColumna_jsp.java:137) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:182) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e57066c8> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e42ca1a0> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) "Java2D Disposer" daemon prio=10 tid=0x00002aaab43ae800 nid=0x2eed in Object.wait() [0x000000004035a000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000000e1316940> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118) - locked <0x00000000e1316940> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134) at sun.java2d.Disposer.run(Disposer.java:127) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-exec-2" daemon prio=10 tid=0x00002aaab2db1800 nid=0x22ba runnable [0x0000000040a18000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(SocketInputStream.java:129) at org.apache.coyote.ajp.AjpProcessor.read(AjpProcessor.java:478) at org.apache.coyote.ajp.AjpProcessor.readMessage(AjpProcessor.java:562) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:237) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:183) at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:169) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311) - locked <0x00000000e0dd8790> (a org.apache.tomcat.util.net.SocketWrapper) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - <0x00000000e0dd8868> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) ""ajp-bio-8009"-AsyncTimeout" daemon prio=10 tid=0x00002aaab2ba4000 nid=0x1efa waiting on condition [0x000000004249a000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.tomcat.util.net.JIoEndpoint$AsyncTimeout.run(JIoEndpoint.java:151) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""ajp-bio-8009"-Acceptor-0" daemon prio=10 tid=0x00002aaab2fbf800 nid=0x1ef9 runnable [0x0000000042399000] java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408) - locked <0x00000000e03c2b68> (a java.net.SocksSocketImpl) at java.net.ServerSocket.implAccept(ServerSocket.java:462) at java.net.ServerSocket.accept(ServerSocket.java:430) at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:59) at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:220) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-AsyncTimeout" daemon prio=10 tid=0x00002aaab2846800 nid=0x1ef7 waiting on condition [0x0000000040b75000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.tomcat.util.net.JIoEndpoint$AsyncTimeout.run(JIoEndpoint.java:151) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None ""http-bio-80"-Acceptor-0" daemon prio=10 tid=0x00002aaab2fbe800 nid=0x1ef6 runnable [0x0000000040917000] java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408) - locked <0x00000000e01e5be0> (a java.net.SocksSocketImpl) at java.net.ServerSocket.implAccept(ServerSocket.java:462) at java.net.ServerSocket.accept(ServerSocket.java:430) at org.apache.tomcat.util.net.DefaultServerSocketFactory.acceptSocket(DefaultServerSocketFactory.java:59) at org.apache.tomcat.util.net.JIoEndpoint$Acceptor.run(JIoEndpoint.java:220) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None "ContainerBackgroundProcessor[StandardEngine[Catalina]]" daemon prio=10 tid=0x00002aaab2aee000 nid=0x1ef5 waiting on condition [0x0000000042298000] java.lang.Thread.State: TIMED_WAITING (sleeping) at java.lang.Thread.sleep(Native Method) at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1369) at java.lang.Thread.run(Thread.java:662) Locked ownable synchronizers: - None "GC Daemon" daemon prio=10 tid=0x00002aaab29a9000 nid=0x1eed in Object.wait() [0x0000000042197000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000000e0000140> (a sun.misc.GC$LatencyLock) at sun.misc.GC$Daemon.run(GC.java:100) - locked <0x00000000e0000140> (a sun.misc.GC$LatencyLock) Locked ownable synchronizers: - None "Low Memory Detector" daemon prio=10 tid=0x00002aaab248b000 nid=0x1eeb runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "C2 CompilerThread1" daemon prio=10 tid=0x00002aaab2488800 nid=0x1eea waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "C2 CompilerThread0" daemon prio=10 tid=0x00002aaab2485000 nid=0x1ee9 waiting on condition [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Signal Dispatcher" daemon prio=10 tid=0x00002aaab2483000 nid=0x1ee8 runnable [0x0000000000000000] java.lang.Thread.State: RUNNABLE Locked ownable synchronizers: - None "Finalizer" daemon prio=10 tid=0x0000000040e4a800 nid=0x1ee7 in Object.wait() [0x0000000041a97000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000000e0000380> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118) - locked <0x00000000e0000380> (a java.lang.ref.ReferenceQueue$Lock) at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134) at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159) Locked ownable synchronizers: - None "Reference Handler" daemon prio=10 tid=0x0000000040e43000 nid=0x1ee6 in Object.wait() [0x0000000041996000] java.lang.Thread.State: WAITING (on object monitor) at java.lang.Object.wait(Native Method) - waiting on <0x00000000e0000120> (a java.lang.ref.Reference$Lock) at java.lang.Object.wait(Object.java:485) at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116) - locked <0x00000000e0000120> (a java.lang.ref.Reference$Lock) Locked ownable synchronizers: - None "main" prio=10 tid=0x0000000040dd7000 nid=0x1edc runnable [0x0000000040f65000] java.lang.Thread.State: RUNNABLE at java.net.PlainSocketImpl.socketAccept(Native Method) at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408) - locked <0x00000000e0a5b6b8> (a java.net.SocksSocketImpl) at java.net.ServerSocket.implAccept(ServerSocket.java:462) at java.net.ServerSocket.accept(ServerSocket.java:430) at org.apache.catalina.core.StandardServer.await(StandardServer.java:447) at org.apache.catalina.startup.Catalina.await(Catalina.java:707) at org.apache.catalina.startup.Catalina.start(Catalina.java:653) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:303) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:431) Locked ownable synchronizers: - None "VM Thread" prio=10 tid=0x0000000040e3c800 nid=0x1ee5 runnable "GC task thread#0 (ParallelGC)" prio=10 tid=0x0000000040dea000 nid=0x1edd runnable "GC task thread#1 (ParallelGC)" prio=10 tid=0x0000000040deb800 nid=0x1ede runnable "GC task thread#2 (ParallelGC)" prio=10 tid=0x0000000040ded800 nid=0x1edf runnable "GC task thread#3 (ParallelGC)" prio=10 tid=0x0000000040def800 nid=0x1ee0 runnable "GC task thread#4 (ParallelGC)" prio=10 tid=0x0000000040df1000 nid=0x1ee1 runnable "GC task thread#5 (ParallelGC)" prio=10 tid=0x0000000040df3000 nid=0x1ee2 runnable "GC task thread#6 (ParallelGC)" prio=10 tid=0x0000000040df5000 nid=0x1ee3 runnable "GC task thread#7 (ParallelGC)" prio=10 tid=0x0000000040df6800 nid=0x1ee4 runnable "VM Periodic Task Thread" prio=10 tid=0x00002aaab2495800 nid=0x1eec waiting on condition JNI global references: 1425 ----- Mensaje original ----- De: "Pid" <p...@pidster.com> Para: "Tomcat Users List" <users@tomcat.apache.org> Enviados: Jueves, 28 de Julio 2011 10:44:37 Asunto: Re: Problem with threads in stage Service (Tomcat 7.0.14) On 28/07/2011 16:09, Alejandro Henao González wrote: > Good day. > > I have the following problem with my tomcat. > > Sometimes, some threads are keep in service stage for a long time > (really never exit from this stage), this causes that tomcat uses a > hight percentage of the CPU (100 % of 2 or 3 cores) thus the webapp > executes very slow. Take a thread dump when this is occurring. http://wiki.apache.org/tomcat/FAQ/Troubleshooting_and_Diagnostics p > I have a Tomcat 7.0.14 in a Redhat RHLE 5.5. > > The partial solution is restart the service, but this is not a practical > solution(because is a 24/7 server). is posible config a timeout for > threads in service stage, or any solution?? > > Thanks. Sorry for the redaction. Attached an image with the tomcat > manager status and the CPU consuming. > > > -------- > > Cordial saludo. > > Tengo el siguiente problema con mi tomcat. > En algunas ocasiones, algunos hilos se quedan en la etapa de servicio > por demasiado tiempo (de hecho nunca salen de esta etapa), esto causa > que el tomcat use un alto porcenta de la CPU (el 100 % de 2 o 3 núcluos > incluso hasta los 8 a veces), y en consecuencia mi aplicación web > trabaja demasiado lento. > > Tengo el Tomcat 7.0.14 en Redhat RHLE 5.5 > > La solución temporal que tengo es reiniciar el servicio, sin embargo > esta no es una solución práctica (pues debe ser un servidor 24/7). Es > posible configurar algún timeout para hilos en la etapa de servicio, o > alguna solución alternativa para este problema? > > Muchas Gracias. Adjunto una imagen del reporte del estado por el tomcat > Manager, y el uso de la CPU > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
