In submitter's stress test environment with 12 managed servers and 20
partitions, the application deployment hangs intermittently. During the
hang, the thread dumps every 5 minutes during 60 minute hang before timeout
shows

"ExecuteThread: '3' for queue: 'weblogic.socket.Muxer'" #51 daemon prio=5
os_prio=0 tid=0x00007f0a54457000 nid=0x7bc8 runnable [0x00007f0a32ffb000]
   java.lang.Thread.State: RUNNABLE
        at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
        at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:79)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
        - locked <0x0000000081cc47d0> (a sun.nio.ch.Util$2)
        - locked <0x0000000081cc47c0> (a java.util.Collections$UnmodifiableSet)
        - locked <0x0000000081cc4688> (a sun.nio.ch.EPollSelectorImpl)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
        at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
        at weblogic.socket.NIOSocketMuxer.selectFrom(NIOSocketMuxer.java:650)
        at weblogic.socket.NIOSocketMuxer.processSockets(NIOSocketMuxer.java:557)
        at weblogic.socket.SocketReaderRequest.run(SocketReaderRequest.java:30)
        at weblogic.socket.SocketReaderRequest.execute(SocketReaderRequest.java:43)
        
        
Submitter suspected that this bug was a factor
JDK-8153192: (se) Selector.select(long) uses wrong timeout after EINTR (lnx)