[DERBY-4306] NullPointerException in JMXManagementService.unregisterMBean when running jdbcapi._Suite

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 10.4.2.0, 10.5.2.0, 10.6.1.0
• Fix Version/s: 10.4.2.1, 10.5.3.0, 10.6.1.0
• Component/s: JMX
• Urgency: Normal
• Issue & fix info: High Value Fix
• Assignee: Mamta A. Satoor
• Reporter: Tiago R. Espinha
• Created: 14/Jul/09 23:13
• Updated: 21/Jan/11 17:52
• Resolved: 24/Jul/09 12:58

Description

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.

Issue Links

• is related to: DERBY-4304 Network Server shutdown should handle exceptions and finish the server shutdown completely