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From "Eamonn Dwyer (JIRA)" <j...@apache.org>
Subject [jira] Created: (CXF-2105) The CxfBusLifeCycleManager can cause ConcurrentModificationExceptions to be thrown
Date Wed, 11 Mar 2009 18:10:50 GMT
The CxfBusLifeCycleManager can cause ConcurrentModificationExceptions to be thrown
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                 Key: CXF-2105
                 URL: https://issues.apache.org/jira/browse/CXF-2105
             Project: CXF
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0.10
            Reporter: Eamonn Dwyer
             Fix For: 2.0.11


The CxfBusLifeCycleManager  has a list of listeners. in a number of occasions it iterates
over this list and makes calls out to each listener. Each listener can then call back into
the CxfBusLifeCycleManager and potentially try access the listeners. This causes the exception.
Typically the exception thrown looks like. 

java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
at java.util.AbstractList$Itr.next(AbstractList.java:420)
at org.apache.cxf.buslifecycle.CXFBusLifeCycleManager.preShutdown(CXFBusLifeCycleManager.java:81)
at org.apache.cxf.bus.CXFBusImpl.shutdown(CXFBusImpl.java:122)
at org.apache.cxf.testutil.common.AbstractBusClientServerTestBase.deleteStaticBus(AbstractBusClientServerTestBase.java:89)
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:585)
at org.junit.internal.runners.BeforeAndAfterRunner.invokeMethod(BeforeAndAfterRunner.java:74)
at org.junit.internal.runners.BeforeAndAfterRunner.runAfters(BeforeAndAfterRunner.java:65)
at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:37)
at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:138)
at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(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(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:290)
at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:818)

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