[jboss-jira] [JBoss JIRA] (WFLY-5023) Intermittent NPE when removing data sources

[Jan Martiska (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-5023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Martiska reassigned WFLY-5023:
----------------------------------

    Assignee: Stefano Maestri  (was: Brian Stansberry)


> Intermittent NPE when removing data sources
> -------------------------------------------
>
>                 Key: WFLY-5023
>                 URL: https://issues.jboss.org/browse/WFLY-5023
>             Project: WildFly
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 10.0.0.Alpha6
>            Reporter: Jan Martiska
>            Assignee: Stefano Maestri
>         Attachments: many-datasources.cli, remove-datasources.cli
>
>
> When removing a datasource, sporadically this exception appears in the log:
> {noformat}
> 12:49:58,224 WARN  [org.jboss.msc.service.fail] (MSC service thread 1-8) MSC000004: Failure during stop of service org.wildfly.data-source.ds51: java.lang.NullPointerException
> 	at org.jboss.as.connector.subsystems.datasources.AbstractDataSourceService.stop(AbstractDataSourceService.java:161)
> 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:2056)
> 	at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:2017)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> This doesn't seem to happen on WildFly 9.x, only on recent master.
> I suspect that this could lead to some resource leaks, but didn't study it further.
> From git history, it looks like this might be caused by the fix for https://issues.jboss.org/browse/WFLY-4429



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