Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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4.1.0
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None
Description
failed to register jmx beans for hedwig running test cases.
the exception is as below:
2012-07-16 22:13:54,849 - WARN - [Thread-134:ReadAheadCache@729] - Failed to register readahead cache with JMX javax.management.InstanceAlreadyExistsException: org.apache.HedwigServer:name0=ReadAheadCache at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312) at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482) at org.apache.zookeeper.jmx.MBeanRegistry.register(MBeanRegistry.java:98) at org.apache.hedwig.server.persistence.ReadAheadCache.registerJMX(ReadAheadCache.java:727) at org.apache.hedwig.server.netty.PubSubServer.registerJMX(PubSubServer.java:300) at org.apache.hedwig.server.netty.PubSubServer$3.run(PubSubServer.java:395) at java.lang.Thread.run(Thread.java:680)