javax.management.InstanceAlreadyExistsException

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  • Glassfish 2.1 under load receive EOF error
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    • javax.management.InstanceAlreadyExistsException: com .sun.appserv:type=RequestProcessor,worker=http38084,name=HttpRequest2617 at com .sun.jmx.mbeanserver.RepositorySupport.addMBean(RepositorySupport.java: 452) at com .sun .jmx .interceptor .DefaultMBeanServerInterceptor .internal_addObject(DefaultMBeanServerInterceptor.java:1410) at com .sun .jmx .interceptor .DefaultMBeanServerInterceptor .registerObject(DefaultMBeanServerInterceptor.java:936) at com .sun .jmx .interceptor .DefaultMBeanServerInterceptor .registerMBean(DefaultMBeanServerInterceptor.java:337) at com .sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java: 497) at com .sun .enterprise .interceptor.DynamicInterceptor.registerMBean(DynamicInterceptor.java: 263) at com .sun .org.apache.commons.modeler.Registry.registerComponent(Registry.java: 872) at com.sun.enterprise.web.connector.grizzly.GrizzlyHttpProtocol $ModelerManagement.registerComponent(GrizzlyHttpProtocol.java:965) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.registerMonitoring (DefaultProcessorTask.java:1646) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.configPreProcess (DefaultProcessorTask.java:532) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.preProcess (DefaultProcessorTask.java:515) at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process (DefaultProcessorTask.java:830) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask (DefaultReadTask.java:341) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask (DefaultReadTask.java:263) at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask (DefaultReadTask.java:214) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)
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