Issue

• Why there is a JVM crash when using queueless-thread-pool for web subsystem, with native connector set to true?
• JVM crash when using using queueless-thread-pool.
• JVM crashed with below message :

21:37:34,700 ERROR [org.apache.coyote.http11] (http-executor-threads - 1) JBWEB003055: Error reading request, ignored.: org.apache.tomcat.jni.Error: Socket operation on non-socket
    at org.apache.tomcat.jni.Socket.setrbb(Native Method) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
    at org.apache.coyote.http11.InternalAprInputBuffer.setSocket(InternalAprInputBuffer.java:189) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
    at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:816) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
    at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:607) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2527) [jbossweb-7.2.2.Final-redhat-1.jar:7.2.2.Final-redhat-1]
    at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33) [jboss-threads-2.1.0.Final-redhat-1.jar:2.1.0.Final-redhat-1]
    at org.jboss.threads.QueuelessExecutor$Worker.run(QueuelessExecutor.java:619) [jboss-threads-2.1.0.Final-redhat-1.jar:2.1.0.Final-redhat-1]
    at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_29]
    at org.jboss.threads.JBossThread.run(JBossThread.java:122) [jboss-threads-2.1.0.Final-redhat-1.jar:2.1.0.Final-redhat-1]

• JVM crashes at libtcnative-1.so module, with problematic frame as :

# Problematic frame:
# C  [libtcnative-1.so+0x13cbc]  Java_org_apache_tomcat_jni_Socket_destroy+0xc

• JVM crashes, when thread queueless-thread-pool tries to timeout(after time period set in keepalive-time).