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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/12/30 03:18:00 UTC
[jira] [Assigned] (SPARK-31946) Failed to register SIGPWR handler
on MacOS
[ https://issues.apache.org/jira/browse/SPARK-31946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-31946:
------------------------------------
Assignee: Apache Spark
> Failed to register SIGPWR handler on MacOS
> ------------------------------------------
>
> Key: SPARK-31946
> URL: https://issues.apache.org/jira/browse/SPARK-31946
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 3.1.0
> Environment: macOS 10.14.6
> Reporter: wuyi
> Assignee: Apache Spark
> Priority: Major
>
>
> {code:java}
> 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)
> {code}
> 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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