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From Polar Humenn <phum...@iona.com>
Subject Re: Coloc Binding Test Error
Date Thu, 07 Jun 2007 15:25:01 GMT
Well, I got that error yesterday as well a days ago.

Jiang, Ning (Willem) wrote:
> FYI, I updated the easy mock class extension from 2.2.1 to 2.2.2 a couple days ago.
> And I can't get the Concurrent Modification Exception for a while :)
>
> Willem. 
>
>
> -----Original Message-----
> From: Polar Humenn [mailto:phumenn@iona.com]
> Sent: Thu 6/7/2007 22:30
> To: cxf-dev@incubator.apache.org
> Subject: Re: Coloc Binding Test Error
>  
> Yep, I agree, but that would be pretty deterministic and reproducible.
>
> I really didn't look into the code, so I don't know. Just thought
> I'd put it out there and see who ever created the test would notice 
> something
> probably bad with it concurrently speaking ;-)
>
> Cheers,
> -Polar
>
> Daniel Kulp wrote:
>   
>> On Thursday 07 June 2007 07:52, Paibir, Ajay wrote:
>>   
>>     
>>> Hi Polar,
>>>
>>> I have not been able to reproduce this error on my windows box even on
>>> repeated runs. Further this unit test itself doesn't have multiple
>>> threads(unless easymock does something in its runtime) to get a
>>> ConcurrentModification ex.
>>>     
>>>       
>> Just FYI:  you don't need threads to get a 
>> ConcurrentModificationException with the collections.   Something simple 
>> like:
>>
>> List<String> lst = new ArrayList<String>();
>> lst.add("1");
>> Iterator<String> it = lst.iterator();
>> lst.add("2");
>> String s = it.next();
>>
>> will result in the ConcurrentModificationException.
>>
>> Dan
>>
>>
>>
>>   
>>     
>>> Let me see if changing the unit test in any way based on the EasyMock
>>> code helps.
>>>
>>> Ajay
>>>
>>>     
>>>       
>>>> -----Original Message-----
>>>> From: Polar Humenn [mailto:phumenn@iona.com]
>>>> Sent: 07 June 2007 05:10
>>>> To: cxf-dev@incubator.apache.org
>>>> Subject: Coloc Binding Test Error
>>>>
>>>> I get the following error intermittently, probably based on
>>>> system load.
>>>> It's a concurrent modification error on some List. Looks like
>>>> it has to do with Easymock, some misconception about lists, I think.
>>>> But in anycase, we should probably avoid this.
>>>>
>>>> Cheers,
>>>> -Polar
>>>> -------------------------------------------------------
>>>> Running org.apache.cxf.binding.coloc.ColocMessageObserverTest
>>>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time
>>>> elapsed: 0.875 sec Running
>>>> org.apache.cxf.binding.coloc.ColocUtilTest Tests run: 6, Failures:
>>>> 0, Errors: 0, Skipped: 0, Time
>>>> elapsed: 0.059 sec Running
>>>> org.apache.cxf.binding.coloc.ColocOutInterceptorTest
>>>> Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time
>>>> elapsed: 0.248 sec <<< FAILURE!
>>>> testColocOutIsColocated(org.apache.cxf.binding.coloc.ColocOutI
>>>> nterceptorTest)
>>>> Time elapsed: 0.019 sec  <<< ERROR!
>>>> java.util.ConcurrentModificationException
>>>>         at
>>>> java.util.AbstractList$Itr.checkForComodification(AbstractList
>>>> .java:449)
>>>>         at java.util.AbstractList$Itr.next(AbstractList.java:420)
>>>>         at
>>>> org.easymock.internal.UnorderedBehavior.addExpected(UnorderedB
>>>> ehavior.java:22)
>>>>         at
>>>> org.easymock.internal.MocksBehavior.addExpected(MocksBehavior.java:4
>>>> 1) at
>>>> org.easymock.internal.RecordState.times(RecordState.java:185)
>>>>         at
>>>> org.easymock.internal.RecordState.closeMethod(RecordState.java:229)
>>>>         at
>>>> org.easymock.internal.RecordState.invoke(RecordState.java:62)
>>>>         at
>>>> org.easymock.internal.MockInvocationHandler.invoke(MockInvocat
>>>> ionHandler.java:24)
>>>>         at
>>>> org.easymock.internal.ObjectMethodsFilter.invoke(ObjectMethods
>>>> Filter.java:45)
>>>>         at
>>>> org.easymock.classextension.internal.ClassProxyFactory$1.inter
>>>> cept(ClassProxyFactory.java:69)
>>>>         at
>>>> org.apache.cxf.service.model.BindingInfo$$EnhancerByCGLIB$$be3
>>>> 758c2.getOperation(<generated>)
>>>>         at
>>>> org.apache.cxf.binding.coloc.ColocOutInterceptorTest.verifyIsC
>>>> olocatedWithDifferentOperation(ColocOutInterceptorTest.java:366)
>>>>         at
>>>> org.apache.cxf.binding.coloc.ColocOutInterceptorTest.testColoc
>>>> OutIsColocated(ColocOutInterceptorTest.java:149)
>>>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>> Method) at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess
>>>> orImpl.java:39)
>>>>         at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth
>>>> odAccessorImpl.java:25)
>>>>         at java.lang.reflect.Method.invoke(Method.java:585)
>>>>         at
>>>> org.junit.internal.runners.TestMethodRunner.executeMethodBody(
>>>> TestMethodRunner.java:99)
>>>>         at
>>>> org.junit.internal.runners.TestMethodRunner.runUnprotected(Tes
>>>> tMethodRunner.java:81)
>>>>         at
>>>> org.junit.internal.runners.BeforeAndAfterRunner.runProtected(B
>>>> eforeAndAfterRunner.java:34)
>>>>         at
>>>> org.junit.internal.runners.TestMethodRunner.runMethod(TestMeth
>>>> odRunner.java:75)
>>>>         at
>>>> org.junit.internal.runners.TestMethodRunner.run(TestMethodRunn
>>>> er.java:45)
>>>>         at
>>>> org.junit.internal.runners.TestClassMethodsRunner.invokeTestMe
>>>> thod(TestClassMethodsRunner.java:66)
>>>>         at
>>>> org.junit.internal.runners.TestClassMethodsRunner.run(TestClas
>>>> sMethodsRunner.java:35)
>>>>         at
>>>> org.junit.internal.runners.TestClassRunner$1.runUnprotected(Te
>>>> stClassRunner.java:42)
>>>>         at
>>>> org.junit.internal.runners.BeforeAndAfterRunner.runProtected(B
>>>> eforeAndAfterRunner.java:34)
>>>>         at
>>>> org.junit.internal.runners.TestClassRunner.run(TestClassRunner
>>>> .java:52)
>>>>         at
>>>> org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4T
>>>> estSet.java:62)
>>>>         at
>>>> org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.exe
>>>> cuteTestSet(AbstractDirectoryTestSuite.java:138)
>>>>         at
>>>> org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.exe
>>>> cute(AbstractDirectoryTestSuite.java:125)
>>>>         at org.apache.maven.surefire.Surefire.run(Surefire.java:132)
>>>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>> Method) at
>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccess
>>>> orImpl.java:39)
>>>>         at
>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth
>>>> odAccessorImpl.java:25)
>>>>         at java.lang.reflect.Method.invoke(Method.java:585)
>>>>         at
>>>> org.apache.maven.surefire.booter.SurefireBooter.runSuitesInPro
>>>> cess(SurefireBooter.java:290)
>>>>         at
>>>> org.apache.maven.surefire.booter.SurefireBooter.main(SurefireB
>>>> ooter.java:818)
>>>>       
>>>>         
>>> ----------------------------
>>> IONA Technologies PLC (registered in Ireland)
>>> Registered Number: 171387
>>> Registered Address: The IONA Building, Shelbourne Road, Dublin 4,
>>> Ireland
>>>     
>>>       
>>   
>>     
>
>   

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