[ https://issues.apache.org/jira/browse/DERBY-4306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mamta A. Satoor updated DERBY-4306:
-----------------------------------

    Affects Version/s: 10.4.2.0

> NullPointerException in JMXManagementService.unregisterMBean when running jdbcapi._Suite
> ----------------------------------------------------------------------------------------
>
>                 Key: DERBY-4306
>                 URL: https://issues.apache.org/jira/browse/DERBY-4306
>             Project: Derby
>          Issue Type: Bug
>          Components: JMX
>    Affects Versions: 10.4.2.0, 10.5.2.0, 10.6.0.0
>            Reporter: Tiago R. Espinha
>            Assignee: Mamta A. Satoor
>             Fix For: 10.4.2.1, 10.5.3.0, 10.6.0.0
>
>         Attachments: DERBY4306_checkForNullability_patch1_diff.txt, JMX_NPE_AuthenticationTest.tar.gz, JMXNPE.tar.gz, ReproDerby4306.java
>
>
> I consistently get a NullPointerException when I run the jdbcapi suite:
> java.lang.NullPointerException
> 	at org.apache.derby.impl.services.jmx.JMXManagementService.unregisterMBean(JMXManagementService.java:286)
> 	at org.apache.derby.impl.services.jmx.JMXManagementService.unregisterMBean(JMXManagementService.java:277)
> 	at org.apache.derby.impl.drda.NetworkServerControlImpl.blockingStart(NetworkServerControlImpl.java:864)
> 	at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.derby.iapi.jdbc.DRDAServerStarter.run(DRDAServerStarter.java:236)
> 	at java.lang.Thread.run(Thread.java:619)
> I'm attaching the log folder from the jdbcapi run.

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