Chesnay Schepler created FLINK-6644:
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Summary: 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
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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