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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDDS-502) Exception in OM startup when running unit tests
Date Tue, 18 Sep 2018 22:43:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arpit Agarwal reassigned HDDS-502:
----------------------------------

    Assignee: Arpit Agarwal

> Exception in OM startup when running unit tests
> -----------------------------------------------
>
>                 Key: HDDS-502
>                 URL: https://issues.apache.org/jira/browse/HDDS-502
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Manager
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>            Priority: Major
>         Attachments: HDDS-502.01.patch
>
>
> The following exception is seen while starting OM via MiniOzoneCluster:
> {code}
> 2018-09-18 14:16:31,694 WARN  om.OzoneManager (LogAdapter.java:warn(59)) - failed to
register any UNIX signal loggers: 
> java.lang.IllegalStateException: Can't re-install the signal handlers.
> 	at org.apache.hadoop.util.SignalLogger.register(SignalLogger.java:77)
> 	at org.apache.hadoop.util.StringUtils.startupShutdownMessage(StringUtils.java:718)
> 	at org.apache.hadoop.util.StringUtils.startupShutdownMessage(StringUtils.java:707)
> 	at org.apache.hadoop.ozone.om.OzoneManager.createOm(OzoneManager.java:311)
> 	at org.apache.hadoop.ozone.MiniOzoneClusterImpl$Builder.createOM(MiniOzoneClusterImpl.java:423)
> 	at org.apache.hadoop.ozone.MiniOzoneClusterImpl$Builder.build(MiniOzoneClusterImpl.java:352)
> 	at org.apache.hadoop.ozone.web.client.TestKeys.init(TestKeys.java:143)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> 	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
> 	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
> {code}
> The exception is non-fatal so the tests eventually pass.



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