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https://issues.apache.org/jira/browse/DIRMINA-662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673173#action_12673173
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Emmanuel Lecharny commented on DIRMINA-662:
-------------------------------------------
I confirm the issue. It's a bug in the DummyIoSession processor implementation :
processor = new IoProcessor<AbstractIoSession>() {
public void add(AbstractIoSession session) {
}
public void flush(AbstractIoSession session) {
DummySession s = (DummySession) session;
WriteRequest req = s.getWriteRequestQueue().poll(session);
---> Object m = req.getMessage();
Here, if the session has been closed, the writeQueue has been emptied, and we
won't get back any request. This will immediately cause a NPE to be generated
while trying to get the message from a null request.
Fixed in : http://svn.apache.org/viewvc?rev=744025&view=rev
> DummySession.close(false) throws NullPointerException
> -----------------------------------------------------
>
> Key: DIRMINA-662
> URL: https://issues.apache.org/jira/browse/DIRMINA-662
> Project: MINA
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0.0-M4
> Environment: All?
> Reporter: David Rosenstrauch
> Priority: Minor
>
> There appears to be a bug when calling DummySession.close(false):
> Feb 12, 2009 3:39:20 PM org.apache.mina.core.service.IoHandlerAdapter
> exceptionCaught
> WARNING: EXCEPTION, please implement Handler.exceptionCaught() for proper
> handling:
> java.lang.NullPointerException
> at
> org.apache.mina.core.session.DummySession$6.flush(DummySession.java:138)
> at
> org.apache.mina.core.session.DummySession$6.flush(DummySession.java:131)
> at
> org.apache.mina.core.session.AbstractIoSession.closeOnFlush(AbstractIoSession.java:246)
> at
> org.apache.mina.core.session.AbstractIoSession.close(AbstractIoSession.java:224)
> at Handler.messageReceived(TestDummyIoSession.java:32)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:722)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:48)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:802)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:120)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
> at TestDummyIoSession.testSessionCloseListener(TestDummyIoSession.java:17)
> 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 junit.framework.TestCase.runTest(TestCase.java:164)
> at junit.framework.TestCase.runBare(TestCase.java:130)
> at junit.framework.TestResult$1.protect(TestResult.java:106)
> at junit.framework.TestResult.runProtected(TestResult.java:124)
> at junit.framework.TestResult.run(TestResult.java:109)
> at junit.framework.TestCase.run(TestCase.java:120)
> at junit.framework.TestSuite.runTest(TestSuite.java:230)
> at junit.framework.TestSuite.run(TestSuite.java:225)
> at
> org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
>
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