is it some kind of memory leak with Lucene's use of Snowball Stemmer? I tried to google for Snowball Stemmer but could not find any recent info about memory leak
this old link does indicate some memory leak but it is from 2004 http://snowball.tartarus.org/archives/snowball-discuss/0631.html Any inputs are welcome -Saroj On Mon, Jul 30, 2012 at 4:39 PM, roz dev <rozde...@gmail.com> wrote: > I did take couple of thread dumps and they seem to be fine > > Heap dump is huge - close to 15GB > > I am having hard time to analyze that heap dump > > 2012-07-30 16:07:32 > Full thread dump Java HotSpot(TM) 64-Bit Server VM (19.0-b09 mixed mode): > > "RMI TCP Connection(33)-10.8.21.124" - Thread t@190 > java.lang.Thread.State: RUNNABLE > at sun.management.ThreadImpl.dumpThreads0(Native Method) > at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:374) > 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 > com.sun.jmx.mbeanserver.ConvertingMethod.invokeWithOpenReturn(ConvertingMethod.java:167) > at > com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:96) > at > com.sun.jmx.mbeanserver.MXBeanIntrospector.invokeM2(MXBeanIntrospector.java:33) > at > com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:208) > at com.sun.jmx.mbeanserver.PerInterface.invoke(PerInterface.java:120) > at com.sun.jmx.mbeanserver.MBeanSupport.invoke(MBeanSupport.java:262) > at javax.management.StandardMBean.invoke(StandardMBean.java:391) > at > com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836) > at > com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761) > at > javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1427) > at > javax.management.remote.rmi.RMIConnectionImpl.access$200(RMIConnectionImpl.java:72) > at > javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1265) > at > javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1360) > at > javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:788) > at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305) > at sun.rmi.transport.Transport$1.run(Transport.java:159) > at java.security.AccessController.doPrivileged(Native Method) > at sun.rmi.transport.Transport.serviceCall(Transport.java:155) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - locked <49cbecf2> (a > java.util.concurrent.locks.ReentrantLock$NonfairSync) > > "JMX server connection timeout 189" - Thread t@189 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Object.wait(Native Method) > - waiting on <b75fa27> (a [I) > at > com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-77" - Thread t@186 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-76" - Thread t@185 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-75" - Thread t@184 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-74" - Thread t@183 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-73" - Thread t@182 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-72" - Thread t@181 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-71" - Thread t@180 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "JMX server connection timeout 178" - Thread t@178 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Object.wait(Native Method) > - waiting on <1170ca7f> (a [I) > at > com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:150) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-62" - Thread t@163 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "web-60" - Thread t@161 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "RMI TCP Connection(29)-10.8.21.124" - Thread t@159 > java.lang.Thread.State: RUNNABLE > at java.net.SocketInputStream.socketRead0(Native Method) > at java.net.SocketInputStream.read(SocketInputStream.java:129) > at java.io.BufferedInputStream.fill(BufferedInputStream.java:218) > at java.io.BufferedInputStream.read(BufferedInputStream.java:237) > - locked <34d20b72> (a java.io.BufferedInputStream) > at java.io.FilterInputStream.read(FilterInputStream.java:66) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - locked <49ed8475> (a > java.util.concurrent.locks.ReentrantLock$NonfairSync) > > "RMI TCP Connection(27)-10.8.21.124" - Thread t@158 > java.lang.Thread.State: RUNNABLE > at java.net.SocketInputStream.socketRead0(Native Method) > at java.net.SocketInputStream.read(SocketInputStream.java:129) > at java.io.BufferedInputStream.fill(BufferedInputStream.java:218) > at java.io.BufferedInputStream.read(BufferedInputStream.java:237) > - locked <7c239fd7> (a java.io.BufferedInputStream) > at java.io.FilterInputStream.read(FilterInputStream.java:66) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:517) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > 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: > - locked <6d31bed> (a > java.util.concurrent.locks.ReentrantLock$NonfairSync) > > "web-59" - Thread t@156 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5ab03cb6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "RMI TCP Connection(28)-10.8.21.124" - Thread t@134 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Object.wait(Native Method) > - waiting on <47e2d0b1> (a > com.sun.jmx.remote.internal.ArrayNotificationBuffer) > at > com.sun.jmx.remote.internal.ArrayNotificationBuffer.fetchNotifications(ArrayNotificationBuffer.java:417) > at > com.sun.jmx.remote.internal.ArrayNotificationBuffer$ShareBuffer.fetchNotifications(ArrayNotificationBuffer.java:209) > at > com.sun.jmx.remote.internal.ServerNotifForwarder.fetchNotifs(ServerNotifForwarder.java:258) > at > javax.management.remote.rmi.RMIConnectionImpl$2.run(RMIConnectionImpl.java:1227) > at > javax.management.remote.rmi.RMIConnectionImpl$2.run(RMIConnectionImpl.java:1225) > at > javax.management.remote.rmi.RMIConnectionImpl.fetchNotifications(RMIConnectionImpl.java:1231) > at sun.reflect.GeneratedMethodAccessor118.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:305) > at sun.rmi.transport.Transport$1.run(Transport.java:159) > at java.security.AccessController.doPrivileged(Native Method) > at sun.rmi.transport.Transport.serviceCall(Transport.java:155) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - locked <dce681b> (a > java.util.concurrent.locks.ReentrantLock$NonfairSync) > > "RMI Scheduler(0)" - Thread t@73 > java.lang.Thread.State: TIMED_WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <2ff3450> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025) > at java.util.concurrent.DelayQueue.take(DelayQueue.java:164) > at > java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609) > at > java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "http-0.0.0.0-12061-Acceptor-0" - Thread t@32 > java.lang.Thread.State: RUNNABLE > at org.apache.tomcat.jni.Socket.accept(Native Method) > at > org.apache.tomcat.util.net.AprEndpoint$Acceptor.run(AprEndpoint.java:1233) > > Locked ownable synchronizers: > - None > > "http-0.0.0.0-12061-CometPoller-0" - Thread t@31 > java.lang.Thread.State: WAITING > at java.lang.Object.wait(Native Method) > - waiting on <539e488e> (a > org.apache.tomcat.util.net.AprEndpoint$Poller) > at java.lang.Object.wait(Object.java:485) > at > org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:1416) > > Locked ownable synchronizers: > - None > > "http-0.0.0.0-12061-Poller-0" - Thread t@30 > java.lang.Thread.State: WAITING > at java.lang.Object.wait(Native Method) > - waiting on <3cad8d85> (a > org.apache.tomcat.util.net.AprEndpoint$Poller) > at java.lang.Object.wait(Object.java:485) > at > org.apache.tomcat.util.net.AprEndpoint$Poller.run(AprEndpoint.java:1416) > > Locked ownable synchronizers: > - None > > "ContainerBackgroundProcessor[StandardEngine[Catalina]]" - Thread t@29 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Thread.sleep(Native Method) > at > org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1627) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-25-thread-1" - Thread t@28 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <262635e2> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-22-thread-1" - Thread t@27 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <169b9bff> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-19-thread-1" - Thread t@26 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <421e8df1> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-16-thread-1" - Thread t@25 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <63f8eb20> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-13-thread-1" - Thread t@24 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <6b14b526> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-10-thread-1" - Thread t@23 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <1c8108b6> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-7-thread-1" - Thread t@22 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <5b62f358> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-4-thread-1" - Thread t@21 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <3d564547> (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 > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "pool-1-thread-1" - Thread t@20 > java.lang.Thread.State: WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <128d542b> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1987) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "RMI TCP Accept-0" - Thread t@19 > java.lang.Thread.State: RUNNABLE > at java.net.PlainSocketImpl.socketAccept(Native Method) > at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) > - locked <4f141721> (a java.net.SocksSocketImpl) > at java.net.ServerSocket.implAccept(ServerSocket.java:462) > at java.net.ServerSocket.accept(ServerSocket.java:430) > at > sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:34) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "RMI TCP Accept-20061" - Thread t@18 > java.lang.Thread.State: RUNNABLE > at java.net.PlainSocketImpl.socketAccept(Native Method) > at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) > - locked <2ffaa016> (a java.net.SocksSocketImpl) > at java.net.ServerSocket.implAccept(ServerSocket.java:462) > at java.net.ServerSocket.accept(ServerSocket.java:430) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "RMI TCP Accept-0" - Thread t@17 > java.lang.Thread.State: RUNNABLE > at java.net.PlainSocketImpl.socketAccept(Native Method) > at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) > - locked <6f241cf5> (a java.net.SocksSocketImpl) > at java.net.ServerSocket.implAccept(ServerSocket.java:462) > at java.net.ServerSocket.accept(ServerSocket.java:430) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:369) > at > sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:341) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "jcollectd" - Thread t@13 > java.lang.Thread.State: TIMED_WAITING > at sun.misc.Unsafe.park(Native Method) > - parking to wait for <6ade57c6> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > at > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025) > at java.util.concurrent.DelayQueue.take(DelayQueue.java:164) > at > java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:609) > at > java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:602) > at > java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Agent ServerConnection" - Thread t@11 > java.lang.Thread.State: RUNNABLE > at java.net.PlainSocketImpl.socketConnect(Native Method) > at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) > - locked <1f772f96> (a java.net.SocksSocketImpl) > at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) > at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) > at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) > at java.net.Socket.connect(Socket.java:529) > at java.net.Socket.connect(Socket.java:478) > at java.net.Socket.<init>(Socket.java:375) > at java.net.Socket.<init>(Socket.java:189) > at > com.wily.isengard.postofficehub.link.net.DefaultSocketFactory.createSocket(DefaultSocketFactory.java:39) > at > com.wily.isengard.api.ServerInstanceLocator.createSocket2(ServerInstanceLocator.java:353) > at > com.wily.isengard.api.ServerInstanceLocator.createSocket(ServerInstanceLocator.java:320) > at > com.wily.isengard.postofficehub.link.OutgoingConnection.connect(OutgoingConnection.java:71) > at > com.wily.isengard.postoffice.PostOfficeHub.connectToServerHub(PostOfficeHub.java:378) > at > com.wily.isengard.postoffice.PostOfficeHub.connectToServerHub(PostOfficeHub.java:337) > at > com.wily.isengard.api.IsengardClient.getConnectedHub(IsengardClient.java:275) > at > com.wily.isengard.api.IsengardClient.connect(IsengardClient.java:156) > at > com.wily.isengard.api.IsengardClient.connect(IsengardClient.java:143) > at > com.wily.introscope.agent.connection.IsengardClientConnection.connect(IsengardClientConnection.java:67) > at > com.wily.introscope.agent.connection.IsengardServerConnectionManager.connectInternal(IsengardServerConnectionManager.java:646) > at > com.wily.introscope.agent.connection.ConnectionThread.attemptConnection(ConnectionThread.java:141) > at > com.wily.introscope.agent.connection.ConnectionThread.connect(ConnectionThread.java:260) > at > com.wily.introscope.agent.connection.ConnectionThread.run(ConnectionThread.java:64) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Agent Execution" - Thread t@10 > java.lang.Thread.State: WAITING > at java.lang.Object.wait(Native Method) > - waiting on <2b54befa> (a com.wily.util.adt.BlockingQueue) > at java.lang.Object.wait(Object.java:485) > at > com.wily.util.adt.BlockingQueue.interruptableDequeue(BlockingQueue.java:123) > at > com.wily.util.task.AsynchExecutionQueue.doTask(AsynchExecutionQueue.java:200) > at com.wily.util.task.ATask$CoreTask.run(ATask.java:132) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Agent Heartbeat" - Thread t@5 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Thread.sleep(Native Method) > at > com.wily.util.heartbeat.IntervalHeartbeat$HeartbeatRunnable.run(IntervalHeartbeat.java:670) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Remove Metric Data Watch Heartbeat Heartbeat" - Thread t@7 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Thread.sleep(Native Method) > at > com.wily.util.heartbeat.IntervalHeartbeat$HeartbeatRunnable.run(IntervalHeartbeat.java:670) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Configuration Watch Heartbeat Heartbeat" - Thread t@6 > java.lang.Thread.State: TIMED_WAITING > at java.lang.Thread.sleep(Native Method) > at > com.wily.util.heartbeat.IntervalHeartbeat$HeartbeatRunnable.run(IntervalHeartbeat.java:670) > at java.lang.Thread.run(Thread.java:662) > > Locked ownable synchronizers: > - None > > "Signal Dispatcher" - Thread t@4 > java.lang.Thread.State: RUNNABLE > > Locked ownable synchronizers: > - None > > "Finalizer" - Thread t@3 > java.lang.Thread.State: WAITING > at java.lang.Object.wait(Native Method) > - waiting on <48c6254f> (a java.lang.ref.ReferenceQueue$Lock) > at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118) > at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134) > at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159) > > Locked ownable synchronizers: > - None > > "Reference Handler" - Thread t@2 > java.lang.Thread.State: WAITING > at java.lang.Object.wait(Native Method) > - waiting on <48bb8adc> (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 ownable synchronizers: > - None > > "main" - Thread t@1 > java.lang.Thread.State: RUNNABLE > at java.net.PlainSocketImpl.socketAccept(Native Method) > at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390) > - locked <11dacd96> (a java.net.SocksSocketImpl) > at java.net.ServerSocket.implAccept(ServerSocket.java:462) > at > com.wily.introscope.agent.probe.net.ManagedServerSocket.com_wily_accept14(ManagedServerSocket.java:362) > at > com.wily.introscope.agent.probe.net.ManagedServerSocket.accept(ManagedServerSocket.java:267) > at > org.apache.catalina.core.StandardServer.await(StandardServer.java:431) > at org.apache.catalina.startup.Catalina.await(Catalina.java:676) > at org.apache.catalina.startup.Catalina.start(Catalina.java:628) > 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:289) > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) > > Locked ownable synchronizers: > - None > > > > > On Fri, Jul 27, 2012 at 5:19 AM, Alexandre Rafalovitch <arafa...@gmail.com > > wrote: > >> Try taking a couple of thread dumps and see where in the stack the >> snowball classes show up. That might give you a clue. >> >> Did you customize the parameters to the stemmer? If so, maybe it has >> problems with the file you gave it. >> >> Just some generic thoughts that might help. >> >> Regards, >> Alex. >> Personal blog: http://blog.outerthoughts.com/ >> LinkedIn: http://www.linkedin.com/in/alexandrerafalovitch >> - Time is the quality of nature that keeps events from happening all >> at once. Lately, it doesn't seem to be working. (Anonymous - via GTD >> book) >> >> >> On Fri, Jul 27, 2012 at 3:53 AM, roz dev <rozde...@gmail.com> wrote: >> > Hi All >> > >> > I am trying to find out the reason for very high memory use and ran JMAP >> > -hist >> > >> > It is showing that i have too many instances of >> org.tartarus.snowball.Among >> > >> > Any ideas what is this for and why am I getting so many of them >> > >> > num #instances #bytes Class description >> > >> -------------------------------------------------------------------------- >> > *1: 46728110 1869124400 >> org.tartarus.snowball.Among >> > * >> > 2: 5244210 1840458960 byte[] >> > >
