JMX NullPointerException is thrown while calling MBeans on EAP
Issue
- Accessing a JMX object with an asterisk in the domain (for example
java*:type=GarbageCollector,*) throws a NPE. -
We are using 3rd party tool for monitoring and are using a
JMX connectionand a WARN message occurs anytime the tool polls the server and it does not appear to affect functionality (NPE exception logged).WARN [org.jboss.remotingjmx.protocol.v2.ServerCommon] (pool-2-thread-4745) Unexpected internal error: java.lang.NullPointerException at java.util.regex.Matcher.getTextLength(Matcher.java:1234) [rt.jar:1.7.0_79] at java.util.regex.Matcher.reset(Matcher.java:308) [rt.jar:1.7.0_79] at java.util.regex.Matcher.<init>(Matcher.java:228) [rt.jar:1.7.0_79] at java.util.regex.Pattern.matcher(Pattern.java:1088) [rt.jar:1.7.0_79] at org.jboss.as.jmx.model.ModelControllerMBeanServerPlugin.accepts(ModelControllerMBeanServerPlugin.java:111) at org.jboss.as.jmx.PluggableMBeanServerImpl.queryNames(PluggableMBeanServerImpl.java:803) at org.jboss.as.jmx.BlockingNotificationMBeanServer.queryNames(BlockingNotificationMBeanServer.java:133) at org.jboss.remotingjmx.protocol.v2.ServerProxy$QueryNamesHandler.handle(ServerProxy.java:1115) at org.jboss.remotingjmx.protocol.v2.ServerCommon$MessageReciever$1$1.run(ServerCommon.java:153) at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor$1.run(ServerInterceptorFactory.java:75) at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor$1.run(ServerInterceptorFactory.java:70) at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.7.0_79] at javax.security.auth.Subject.doAs(Subject.java:415) [rt.jar:1.7.0_79] at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:94) [jboss-as-controller-7.5.4.Final-redhat-4.jar:7.5.4.Final-redhat-4] at org.jboss.as.jmx.ServerInterceptorFactory$Interceptor.handleEvent(ServerInterceptorFactory.java:70) at org.jboss.remotingjmx.protocol.v2.ServerCommon$MessageReciever$1.run(ServerCommon.java:149) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_79] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_79] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_79]
Environment
- Red Hat JBoss Enterprise Application Platform
- 6
- 7.0
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