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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.1.0
    • 3.2.0
    • Spark Core
    • None
    • macOS 10.14.6

    Description

       

      20/06/09 22:54:54 WARN SignalUtils: Failed to register SIGPWR handler - disabling decommission feature.
      java.lang.IllegalArgumentException: Unknown signal: PWR
      	at sun.misc.Signal.<init>(Signal.java:143)
      	at org.apache.spark.util.SignalUtils$.$anonfun$register$1(SignalUtils.scala:83)
      	at scala.collection.mutable.HashMap.getOrElseUpdate(HashMap.scala:86)
      	at org.apache.spark.util.SignalUtils$.register(SignalUtils.scala:81)
      	at org.apache.spark.executor.CoarseGrainedExecutorBackend.onStart(CoarseGrainedExecutorBackend.scala:86)
      	at org.apache.spark.rpc.netty.Inbox.$anonfun$process$1(Inbox.scala:120)
      	at org.apache.spark.rpc.netty.Inbox.safelyCall(Inbox.scala:203)
      	at org.apache.spark.rpc.netty.Inbox.process(Inbox.scala:100)
      	at org.apache.spark.rpc.netty.MessageLoop.org$apache$spark$rpc$netty$MessageLoop$$receiveLoop(MessageLoop.scala:75)
      	at org.apache.spark.rpc.netty.MessageLoop$$anon$1.run(MessageLoop.scala:41)
      	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      	at java.lang.Thread.run(Thread.java:748)
      

      Seem like MacOS is POSIX compliant. But SIGPWR is not specified in the POSIX specification. See https://en.wikipedia.org/wiki/Signal_(IPC)#SIGPWR

       

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            Ngone51 wuyi
            Ngone51 wuyi
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              Created:
              Updated:
              Resolved: