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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/05/20 17:34:04 UTC

[jira] [Closed] (FLINK-6644) Don't register HUP unix signal handler on Windows

     [ https://issues.apache.org/jira/browse/FLINK-6644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler closed FLINK-6644.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.4.0
                   1.3.0

1.3: fcf8466a5aad27f55915801953ba095a2233a9ff
1.4: 654d0ede97c4368b8323c6cc7dd382e1860df55e

> Don't register HUP unix signal handler on Windows
> -------------------------------------------------
>
>                 Key: FLINK-6644
>                 URL: https://issues.apache.org/jira/browse/FLINK-6644
>             Project: Flink
>          Issue Type: Bug
>          Components: Local Runtime
>    Affects Versions: 1.4.0
>            Reporter: Chesnay Schepler
>            Assignee: Chesnay Schepler
>             Fix For: 1.3.0, 1.4.0
>
>
> The JM/TM register UNIX signal handlers for INT, HUP and TERM on startup.
> On Windows, HUP is not available, causing this exception to be logged everytime:
> {code}
> 2017-05-19 16:49:58,777 INFO  org.apache.flink.runtime.taskmanager.TaskManager              - Error while registering signal handler
> java.lang.IllegalArgumentException: Unknown signal: HUP
>         at sun.misc.Signal.<init>(Unknown Source)
>         at org.apache.flink.runtime.util.SignalHandler$Handler.<init>(SignalHandler.java:41)
>         at org.apache.flink.runtime.util.SignalHandler.register(SignalHandler.java:78)
>         at org.apache.flink.runtime.taskmanager.TaskManager$.main(TaskManager.scala:1525)
>         at org.apache.flink.runtime.taskmanager.TaskManager.main(TaskManager.scala)
> 2017-05-19 16:49:58,778 INFO  org.apache.flink.runtime.taskmanager.TaskManager              - Registered UNIX signal handlers for [TERM, INT]
> {code}



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