[jboss-jira] [JBoss JIRA] (JBWEB-313) Deadlock in WsRemoteEndpointImplServer.onWritePossible

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/JBWEB-313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150633#comment-13150633 ] 

RH Bugzilla Integration commented on JBWEB-313:
-----------------------------------------------

Fedor Gavrilov <fgavrilo at redhat.com> changed the Status of [bug 1299057|https://bugzilla.redhat.com/show_bug.cgi?id=1299057] from NEW to ASSIGNED

> Deadlock in WsRemoteEndpointImplServer.onWritePossible
> ------------------------------------------------------
>
>                 Key: JBWEB-313
>                 URL: https://issues.jboss.org/browse/JBWEB-313
>             Project: JBoss Web
>          Issue Type: Bug
>    Affects Versions: JBossWeb-7.5.0.GA
>         Environment: JBoss EAP 6.4.5
>            Reporter: Aaron Ogburn
>            Assignee: Remy Maucherat
>
> A deadlock is possible in WsRemoteEndpointImplServer.onWritePossible:
> {code}
> http-/0.0.0.0:8080-1":
>         at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.onWritePossible(WsRemoteEndpointImplServer.java:93)
>         - waiting to lock <0x00000006dee6a1a8> (a java.nio.HeapByteBuffer)
>         - locked <0x00000006dee6a200> (a java.lang.Object)
>         at org.apache.tomcat.websocket.server.WsHttpUpgradeHandler$WsWriteListener.onWritePossible(WsHttpUpgradeHandler.java:243)
>         at org.apache.catalina.core.StandardWrapperValve.async(StandardWrapperValve.java:605)
>         at org.apache.catalina.core.StandardWrapperValve.event(StandardWrapperValve.java:350)
>         at org.apache.catalina.core.StandardContextValve.event(StandardContextValve.java:171)
>         at org.apache.catalina.valves.ValveBase.event(ValveBase.java:185)
>         at org.apache.catalina.core.StandardHostValve.event(StandardHostValve.java:252)
>         at org.apache.catalina.valves.ValveBase.event(ValveBase.java:185)
>         at org.apache.catalina.core.StandardEngineValve.event(StandardEngineValve.java:121)
>         at org.apache.catalina.connector.CoyoteAdapter.event(CoyoteAdapter.java:228)
>         at org.apache.coyote.http11.Http11NioProcessor.event(Http11NioProcessor.java:232)
>         at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.event(Http11NioProtocol.java:818)
>         at org.apache.tomcat.util.net.NioEndpoint$ChannelProcessor.run(NioEndpoint.java:939)
>         - locked <0x00000006deeeb9c0> (a java.lang.Object)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         at org.apache.tomcat.util.net.NioEndpoint$DefaultThreadFactory$1$1.run(NioEndpoint.java:1249)
>         at java.lang.Thread.run(Thread.java:745)
> "EJB default - 1":
>         at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.onWritePossible(WsRemoteEndpointImplServer.java:81)
>         - waiting to lock <0x00000006dee6a200> (a java.lang.Object)
>         at org.apache.tomcat.websocket.server.WsRemoteEndpointImplServer.doWrite(WsRemoteEndpointImplServer.java:76)
>         at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:444)
>         at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessage(WsRemoteEndpointImplBase.java:334)
>         at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$TextMessageSendHandler.write(WsRemoteEndpointImplBase.java:741)
>         - locked <0x00000006dee6a1a8> (a java.nio.HeapByteBuffer)
>         at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendPartialString(WsRemoteEndpointImplBase.java:239)
>         at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:182)
>         at org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37)
> {code}



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