I have a couple of ANT jobs and for some reason when I start 2 jobs (they take more than 1 hour to complete) Jenkins is killed.

This is running in an Ubuntu EC2 micro instance. I've installed jenkins manually.

Pasting the thread dump, hope it helps.
Thread Dump

ConnectorThread:[http-8080]

"ConnectorThread:[http-8080]" Id=11 Group=main RUNNABLE (in native)
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:375)
at java.net.ServerSocket.implAccept(ServerSocket.java:470)
at java.net.ServerSocket.accept(ServerSocket.java:438)
at winstone.HttpListener.run(HttpListener.java:136)
at java.lang.Thread.run(Thread.java:679)

DestroyJavaVM

"DestroyJavaVM" Id=14 Group=main RUNNABLE

Executor #0 for master

"Executor #0 for master" Id=25 Group=main WAITING on hudson.model.Queue@a42c89
at java.lang.Object.wait(Native Method)

• waiting on hudson.model.Queue@a42c89
  at java.lang.Object.wait(Object.java:502)
  at hudson.util.OneShotEvent.block(OneShotEvent.java:72)
  at hudson.model.Queue.pop(Queue.java:804)
  at hudson.model.Executor.grabJob(Executor.java:284)
  at hudson.model.Executor.run(Executor.java:205)

Executor #1 for master

"Executor #1 for master" Id=26 Group=main WAITING on hudson.model.Queue@a42c89
at java.lang.Object.wait(Native Method)

• waiting on hudson.model.Queue@a42c89
  at java.lang.Object.wait(Object.java:502)
  at hudson.util.OneShotEvent.block(OneShotEvent.java:72)
  at hudson.model.Queue.pop(Queue.java:804)
  at hudson.model.Executor.grabJob(Executor.java:284)
  at hudson.model.Executor.run(Executor.java:205)

Handling GET /threadDump : RequestHandlerThread13

"Handling GET /threadDump : RequestHandlerThread13" Id=40 Group=main TIMED_WAITING on java.util.concurrent.FutureTask$Sync@e2cf81
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.FutureTask$Sync@e2cf81
  at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1326)
  at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:257)
  at java.util.concurrent.FutureTask.get(FutureTask.java:119)
  at hudson.remoting.LocalChannel$2.get(LocalChannel.java:81)
  at jenkins.model.Jenkins.getAllThreadDumps(Jenkins.java:2791)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:616)
  at org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:258)
  at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:104)
  at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)
  at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)
  at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)
  at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)
  at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:72)
  at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)
  at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsIterator(ExpressionSupport.java:94)
  at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:89)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
  at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:98)
  at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)
  at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:270)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
  at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)
  at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:119)
  at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)
  at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:81)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)
  at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)
  at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:95)
  at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:574)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:659)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:488)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:162)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
  at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
  at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
  at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
  at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:166)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:63)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
  at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
  at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
  at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
  at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
  at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:215)
  at winstone.RequestHandlerThread.run(RequestHandlerThread.java:138)
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
  at java.util.concurrent.FutureTask.run(FutureTask.java:166)
  at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@71a97

Jenkins cron thread

"Jenkins cron thread" Id=15 Group=main TIMED_WAITING on java.util.TaskQueue@159f3f0
at java.lang.Object.wait(Native Method)

• waiting on java.util.TaskQueue@159f3f0
  at java.util.TimerThread.mainLoop(Timer.java:531)
  at java.util.TimerThread.run(Timer.java:484)

Jenkins UDP 33848 monitoring thread

"Jenkins UDP 33848 monitoring thread" Id=21 Group=main RUNNABLE (in native)
at java.net.PlainDatagramSocketImpl.receive0(Native Method)

• locked java.net.PlainDatagramSocketImpl@19fdafc
  at java.net.AbstractPlainDatagramSocketImpl.receive(AbstractPlainDatagramSocketImpl.java:135)
• locked java.net.PlainDatagramSocketImpl@19fdafc
  at java.net.DatagramSocket.receive(DatagramSocket.java:729)
• locked java.net.DatagramPacket@13b9fb
• locked java.net.MulticastSocket@1171e30
  at hudson.UDPBroadcastThread.run(UDPBroadcastThread.java:79)

JmDNS(computer.local.).State.Timer

"JmDNS(computer.local.).State.Timer" Id=24 Group=main TIMED_WAITING on java.util.TaskQueue@67e92a
at java.lang.Object.wait(Native Method)

• waiting on java.util.TaskQueue@67e92a
  at java.util.TimerThread.mainLoop(Timer.java:531)
  at java.util.TimerThread.run(Timer.java:484)

JmDNS(computer.local.).Timer

"JmDNS(computer.local.).Timer" Id=23 Group=main TIMED_WAITING on java.util.TaskQueue@1fccfe3
at java.lang.Object.wait(Native Method)

• waiting on java.util.TaskQueue@1fccfe3
  at java.util.TimerThread.mainLoop(Timer.java:531)
  at java.util.TimerThread.run(Timer.java:484)

LauncherControlThread[ControlPort=-1]

"LauncherControlThread[ControlPort=-1]" Id=12 Group=main TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at winstone.Launcher.run(Launcher.java:265)
at java.lang.Thread.run(Thread.java:679)

NioSocketAcceptor-1

"NioSocketAcceptor-1" Id=19 Group=main RUNNABLE (in native)
at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:228)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:83)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87)

• locked sun.nio.ch.Util$1@571cc4
• locked java.util.Collections$UnmodifiableSet@18cecd
• locked sun.nio.ch.EPollSelectorImpl@1377711
  at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98)
  at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:102)
  at org.apache.mina.transport.socket.nio.NioSocketAcceptor.select(NioSocketAcceptor.java:285)
  at org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.run(AbstractPollingIoAcceptor.java:401)
  at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@1927275

pool-3-thread-1

"pool-3-thread-1" Id=46 Group=main RUNNABLE
at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:392)
at hudson.Functions.getThreadInfos(Functions.java:873)
at hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:96)
at hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:92)
at hudson.remoting.LocalChannel$1.call(LocalChannel.java:52)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@14340bb

RequestHandlerThread10

"RequestHandlerThread10" Id=37 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread11

"RequestHandlerThread11" Id=38 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread12

"RequestHandlerThread12" Id=39 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread14

"RequestHandlerThread14" Id=41 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:146)
at java.net.SocketInputStream.read(SocketInputStream.java:199)
at winstone.WinstoneInputStream.read(WinstoneInputStream.java:49)
at javax.servlet.ServletInputStream.readLine(ServletInputStream.java:27)
at winstone.WinstoneInputStream.readLine(WinstoneInputStream.java:108)
at winstone.HttpListener.parseURI(HttpListener.java:238)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@1fe910c

RequestHandlerThread15

"RequestHandlerThread15" Id=42 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:146)
at java.net.SocketInputStream.read(SocketInputStream.java:199)
at winstone.WinstoneInputStream.read(WinstoneInputStream.java:49)
at javax.servlet.ServletInputStream.readLine(ServletInputStream.java:27)
at winstone.WinstoneInputStream.readLine(WinstoneInputStream.java:108)
at winstone.HttpListener.parseURI(HttpListener.java:238)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@cb5608

RequestHandlerThread16

"RequestHandlerThread16" Id=43 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:146)
at java.net.SocketInputStream.read(SocketInputStream.java:199)
at winstone.WinstoneInputStream.read(WinstoneInputStream.java:49)
at javax.servlet.ServletInputStream.readLine(ServletInputStream.java:27)
at winstone.WinstoneInputStream.readLine(WinstoneInputStream.java:108)
at winstone.HttpListener.parseURI(HttpListener.java:238)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@11dfe3

RequestHandlerThread17

"RequestHandlerThread17" Id=44 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:146)
at java.net.SocketInputStream.read(SocketInputStream.java:199)
at winstone.WinstoneInputStream.read(WinstoneInputStream.java:49)
at javax.servlet.ServletInputStream.readLine(ServletInputStream.java:27)
at winstone.WinstoneInputStream.readLine(WinstoneInputStream.java:108)
at winstone.HttpListener.parseURI(HttpListener.java:238)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@86b4d5

RequestHandlerThread18

"RequestHandlerThread18" Id=45 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:146)
at java.net.SocketInputStream.read(SocketInputStream.java:199)
at winstone.WinstoneInputStream.read(WinstoneInputStream.java:49)
at javax.servlet.ServletInputStream.readLine(ServletInputStream.java:27)
at winstone.WinstoneInputStream.readLine(WinstoneInputStream.java:108)
at winstone.HttpListener.parseURI(HttpListener.java:238)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:75)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)

Number of locked synchronizers = 1

• java.util.concurrent.ThreadPoolExecutor$Worker@10f94a0

RequestHandlerThread1

"RequestHandlerThread1" Id=27 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread2

"RequestHandlerThread2" Id=28 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread3

"RequestHandlerThread3" Id=29 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread4

"RequestHandlerThread4" Id=30 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread5

"RequestHandlerThread5" Id=32 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread6

"RequestHandlerThread6" Id=33 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread7

"RequestHandlerThread7" Id=34 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread8

"RequestHandlerThread8" Id=35 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

RequestHandlerThread9

"RequestHandlerThread9" Id=36 Group=main WAITING on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
at sun.misc.Unsafe.park(Native Method)

• waiting on java.util.concurrent.SynchronousQueue$TransferStack@a53e68
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
  at java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:451)
  at java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:352)
  at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:886)
  at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1043)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1103)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
  at java.lang.Thread.run(Thread.java:679)

SocketListener(computer.local.)

"SocketListener(computer.local.)" Id=22 Group=main RUNNABLE (in native)
at java.net.PlainDatagramSocketImpl.receive0(Native Method)

• locked java.net.PlainDatagramSocketImpl@b481ba
  at java.net.AbstractPlainDatagramSocketImpl.receive(AbstractPlainDatagramSocketImpl.java:135)
• locked java.net.PlainDatagramSocketImpl@b481ba
  at java.net.DatagramSocket.receive(DatagramSocket.java:729)
• locked java.net.DatagramPacket@f2ff9b
• locked java.net.MulticastSocket@16b5518
  at javax.jmdns.impl.SocketListener.run(SocketListener.java:41)

TCP slave agent listener port=0

"TCP slave agent listener port=0" Id=20 Group=main RUNNABLE (in native)
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:375)
at java.net.ServerSocket.implAccept(ServerSocket.java:470)
at java.net.ServerSocket.accept(ServerSocket.java:438)
at hudson.TcpSlaveAgentListener.run(TcpSlaveAgentListener.java:91)

ViewJob reload thread

"ViewJob reload thread" Id=18 Group=main TIMED_WAITING on java.util.LinkedHashSet@6a00ca
at java.lang.Object.wait(Native Method)

• waiting on java.util.LinkedHashSet@6a00ca
  at hudson.model.ViewJob$ReloadThread.getNext(ViewJob.java:171)
  at hudson.model.ViewJob$ReloadThread.run(ViewJob.java:188)

WinstoneHostConfigurationMgmt:default

"WinstoneHostConfigurationMgmt:default" Id=10 Group=main TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at winstone.HostConfiguration.run(HostConfiguration.java:174)
at java.lang.Thread.run(Thread.java:679)

Finalizer

"Finalizer" Id=3 Group=system WAITING on java.lang.ref.ReferenceQueue$Lock@102abdb
at java.lang.Object.wait(Native Method)

• waiting on java.lang.ref.ReferenceQueue$Lock@102abdb
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:133)
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:149)
  at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)

Java2D Disposer

"Java2D Disposer" Id=8 Group=system WAITING on java.lang.ref.ReferenceQueue$Lock@9e4dc0
at java.lang.Object.wait(Native Method)

• waiting on java.lang.ref.ReferenceQueue$Lock@9e4dc0
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:133)
  at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:149)
  at sun.java2d.Disposer.run(Disposer.java:143)
  at java.lang.Thread.run(Thread.java:679)

Reference Handler

"Reference Handler" Id=2 Group=system WAITING on java.lang.ref.Reference$Lock@60e277
at java.lang.Object.wait(Native Method)

• waiting on java.lang.ref.Reference$Lock@60e277
  at java.lang.Object.wait(Object.java:502)
  at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)

Signal Dispatcher

"Signal Dispatcher" Id=4 Group=system RUNNABLE