On 10/03/2010, at 2:04 PM, Chuck Hill wrote:

>> -- jstack output --
>> 
>> Thread 7218: (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:39)
>>      at 
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>      at java.lang.reflect.Method.invoke(Method.java:597)
>>      at sun.tools.jstack.JStack.runJStackTool(JStack.java:118)
>>      at sun.tools.jstack.JStack.main(JStack.java:84)
> 
> 
> Those threads look odd.  Did you do an optimized build without debug info?  
> That is the only explanation that comes to mind.  Either these are hiding the 
> actual stack trace, or the problem is an exception thrown from sleep() or 
> terminate().

It's just built by WOLips/Ant, I didn't do anything special.


-- 
Paul.

http://logicsquad.net/


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