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Date: Thu, 17 Jan 2013 14:12:16 +0200
From: Dimitris Balaouras <dbalaouras@gmail.com>
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To: user@jmeter.apache.org
Subject: Non-gui hangs after issuing a ShutdownClient cmd
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Hi guys,

I'm running jmeter tests in a non-gui manner and issuing a StopTestNow
(tried Shutdown too) command via the ShutdownClient if a test exceeds a
certain amount of time. In some of those case, the jmeter process seems
to hang forever (literally).

I am attaching a stack trace grabbed with jstack..hope someone will see
something I don't.
I'm using several versions of JMeter (min 2.3.4, max 2.7); this specific
trace comes from a version 2.6.

I'm getting nowhere with this...had anyone ever faced such a problem?
Any hint?

Thanks,
-Dimi

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Attaching to process ID 31624, please wait...
Debugger attached successfully.
Client compiler detected.
JVM version is 14.0-b16
Deadlock Detection:

No deadlocks found.

Thread 31635: (state = BLOCKED)
 - java.lang.Thread.sleep(long) @bci=0 (Compiled frame; information may be imprecise)
Error occurred during stack walking:
java.lang.NullPointerException
	at sun.jvm.hotspot.runtime.Frame.addressOfStackSlot(Frame.java:224)
	at sun.jvm.hotspot.runtime.x86.X86Frame.senderForCompiledFrame(X86Frame.java:342)
	at sun.jvm.hotspot.runtime.x86.X86Frame.sender(X86Frame.java:283)
	at sun.jvm.hotspot.runtime.Frame.sender(Frame.java:194)
	at sun.jvm.hotspot.runtime.Frame.realSender(Frame.java:199)
	at sun.jvm.hotspot.runtime.VFrame.sender(VFrame.java:119)
	at sun.jvm.hotspot.runtime.CompiledVFrame.sender(CompiledVFrame.java:168)
	at sun.jvm.hotspot.runtime.VFrame.javaSender(VFrame.java:146)
	at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
	at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
	at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
	at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
	at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
	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 sun.tools.jstack.JStack.runJStackTool(JStack.java:136)
	at sun.tools.jstack.JStack.main(JStack.java:102)


Thread 31634: (state = IN_NATIVE)
 - java.net.SocketInputStream.socketRead0(java.io.FileDescriptor, byte[], int, int, int) @bci=0 (Interpreted frame)
 - java.net.SocketInputStream.read(byte[], int, int) @bci=84, line=146 (Interpreted frame)
 - java.io.BufferedInputStream.read1(byte[], int, int) @bci=39, line=273 (Interpreted frame)
 - java.io.BufferedInputStream.read(byte[], int, int) @bci=49, line=334 (Interpreted frame)
 - sun.net.www.MeteredStream.read(byte[], int, int) @bci=16, line=134 (Interpreted frame)
 - java.io.FilterInputStream.read(byte[], int, int) @bci=7, line=133 (Interpreted frame)
 - sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(byte[], int, int) @bci=4, line=2582 (Interpreted frame)
 - org.apache.commons.io.input.ProxyInputStream.read(byte[], int, int) @bci=12, line=99 (Interpreted frame)
 - java.io.BufferedInputStream.read1(byte[], int, int) @bci=39, line=273 (Interpreted frame)
 - java.io.BufferedInputStream.read(byte[], int, int) @bci=49, line=334 (Interpreted frame)
 - java.io.FilterInputStream.read(byte[]) @bci=5, line=107 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.readResponse(org.apache.jmeter.samplers.SampleResult, java.io.InputStream, int) @bci=93, line=1620 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPAbstractImpl.readResponse(org.apache.jmeter.samplers.SampleResult, java.io.BufferedInputStream, int) @bci=7, line=236 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.readResponse(java.net.HttpURLConnection, org.apache.jmeter.samplers.SampleResult) @bci=400, line=282 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.sample(java.net.URL, java.lang.String, boolean, int) @bci=331, line=512 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(java.net.URL, java.lang.String, boolean, int) @bci=47, line=62 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.downloadPageResources(org.apache.jmeter.protocol.http.sampler.HTTPSampleResult, org.apache.jmeter.protocol.http.sampler.HTTPSampleResult, int) @bci=421, line=1173 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.resultProcessing(boolean, int, org.apache.jmeter.protocol.http.sampler.HTTPSampleResult) @bci=161, line=1473 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPAbstractImpl.resultProcessing(boolean, int, org.apache.jmeter.protocol.http.sampler.HTTPSampleResult) @bci=7, line=244 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPJavaImpl.sample(java.net.URL, java.lang.String, boolean, int) @bci=763, line=586 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(java.net.URL, java.lang.String, boolean, int) @bci=47, line=62 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample() @bci=13, line=1054 (Interpreted frame)
 - org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(org.apache.jmeter.samplers.Entry) @bci=1, line=1043 (Interpreted frame)
 - org.apache.jmeter.threads.JMeterThread.process_sampler(org.apache.jmeter.samplers.Sampler, org.apache.jmeter.samplers.Sampler, org.apache.jmeter.threads.JMeterContext) @bci=260, line=416 (Interpreted frame)
 - org.apache.jmeter.threads.JMeterThread.run() @bci=49, line=271 (Interpreted frame)
 - java.lang.Thread.run() @bci=11, line=636 (Interpreted frame)


Thread 31625: (state = BLOCKED)


Thread 31633: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Compiled frame; information may be imprecise)
Error occurred during stack walking:
java.lang.NullPointerException
	at sun.jvm.hotspot.runtime.Frame.addressOfStackSlot(Frame.java:224)
	at sun.jvm.hotspot.runtime.x86.X86Frame.senderForCompiledFrame(X86Frame.java:342)
	at sun.jvm.hotspot.runtime.x86.X86Frame.sender(X86Frame.java:283)
	at sun.jvm.hotspot.runtime.Frame.sender(Frame.java:194)
	at sun.jvm.hotspot.runtime.Frame.realSender(Frame.java:199)
	at sun.jvm.hotspot.runtime.VFrame.sender(VFrame.java:119)
	at sun.jvm.hotspot.runtime.CompiledVFrame.sender(CompiledVFrame.java:168)
	at sun.jvm.hotspot.runtime.VFrame.javaSender(VFrame.java:146)
	at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:76)
	at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
	at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
	at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
	at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
	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 sun.tools.jstack.JStack.runJStackTool(JStack.java:136)
	at sun.tools.jstack.JStack.main(JStack.java:102)


Thread 31629: (state = BLOCKED)


Thread 31628: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
 - java.lang.ref.ReferenceQueue.remove(long) @bci=44, line=133 (Interpreted frame)
 - java.lang.ref.ReferenceQueue.remove() @bci=2, line=149 (Interpreted frame)
 - java.lang.ref.Finalizer$FinalizerThread.run() @bci=3, line=177 (Interpreted frame)


Thread 31627: (state = BLOCKED)
 - java.lang.Object.wait(long) @bci=0 (Interpreted frame)
 - java.lang.Object.wait() @bci=2, line=502 (Interpreted frame)
 - java.lang.ref.Reference$ReferenceHandler.run() @bci=46, line=133 (Interpreted frame)


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