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https://issues.apache.org/jira/browse/HTTPCORE-322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498148#comment-13498148
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Paul Donohue commented on HTTPCORE-322:
---------------------------------------
I'll attempt to write a test to reproduce it...
> SSLIOSession infinite loop after alert during handshake
> -------------------------------------------------------
>
> Key: HTTPCORE-322
> URL: https://issues.apache.org/jira/browse/HTTPCORE-322
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore NIO
> Reporter: Paul Donohue
> Priority: Critical
>
> I have an application using httpcore-nio that occasionally gets stuck in an
> infinite loop in SSLIOSession:
> "I/O dispatcher 1" prio=10 tid=0x00002aaab82da000 nid=0x5448 runnable
> [0x000000004271c000]
> java.lang.Thread.State: RUNNABLE
> at
> sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:767)
> - locked <0x00000000a4f03420> (a sun.security.ssl.SSLEngineImpl)
> at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:719)
> - locked <0x00000000a51faaa0> (a java.lang.Object)
> at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.doUnwrap(SSLIOSession.java:228)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.decryptData(SSLIOSession.java:348)
> at
> org.apache.http.nio.reactor.ssl.SSLIOSession.isAppInputReady(SSLIOSession.java:371)
> - locked <0x00000000a4f03498> (a
> org.apache.http.nio.reactor.ssl.SSLIOSession)
> at
> org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:118)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:160)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:342)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:320)
> at
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:280)
> at
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:106)
> at
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:604)
> at java.lang.Thread.run(Thread.java:636)
> In the above example, I was able to determine that this behavior was caused
> by a client sending a ClientHello that resumed an established session,
> immediately followed by a CloseNotify Alert. This sequence only sometimes
> triggers the infinite loop, so the problem appears to be timing related. I
> get the feeling that there are other sequences that may trigger this, but I
> don't have any other concrete examples at the moment.
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