hi all...i'm trying to configure a jmx mbean to be a singleton (in a clustered env). i think i did all the steps, but jboss (4.2.3) is throwing an exception. here's my mbean definitions: | <mbean code="org.jboss.ha.singleton.HASingletonController" | name="org.dcri.jobmanager.jmx:service=JobManager-HASingletonController"> | <depends>jboss:service=DefaultPartition</depends> | <depends> | org.dcri.jobmanager.jmx:service=JobManager,job=REPORT(reporting-service-${application.version}) | </depends> | <attribute name="TargetName"> | org.dcri.jobmanager.jmx:service=JobManager,job=REPORT(reporting-service-${application.version}) | </attribute> | <attribute name="TargetStartMethod">startSingleton</attribute> | <attribute name="TargetStopMethod">stopSingleton</attribute> | </mbean> | | <mbean code="org.dcri.jobmanager.jmx.JobManager" | name="org.dcri.jobmanager.jmx:service=JobManager,job=REPORT(reporting-service-${application.version})"> | | <!-- Attribute Job, type XML Fragment, Configures the Job class run | by the Job Manager --> | <attribute name="Job"> | <job> | <!--The job class that will be instantiated and run through | the JobManager --> | <class>org.dcri.reporting.jobmanager.jobs.ReportJob</class> | <properties> | <property name="namespace">${application.name}-${application.version}</property> | <property name="jobManagerHost">${jobmanager.service.host}</property> | <property name="jobManagerPort">${jobmanager.service.port}</property> | <property name="jobManagerScheme">${jobmanager.service.scheme}</property> | <property name="jobManagerVersion">${jobmanager.service.version}</property> | <!--The realm through which to login, and authenticate--> | <property name="securityRealm">jobmanager-service</property> | <!--The principal's username through which we authenticate --> | <property name="username">${jobmanager.service.username}</property> | <!--The principal's password through which we authenticate --> | <property name="password">${jobmanager.service.password}</property> | <!-- The age in days of JobRequests to find and process--> | <property name="daysBack">8</property> | <!-- the status of job requests to find and process --> | <property name="status">SUBMITTED</property> | <property name="reportingSecurityRealm">client-login</property> | </properties> | </job> | </attribute> | <!--type long, The interval at which the Job will be processed in milliseconds --> | <attribute name="Interval">${job.report.interval}</attribute> | <!--occurrences long, The number of intervals that will occurr | 0 is unlimited --> | <attribute name="Occurrences">0</attribute> | <attribute name="AutoStart">true</attribute> | <!--type java.lang.String, The date when this Job will start --> | <!-- <attribute name="StartDate">1/23/2003</attribute> --> | <!--type java.lang.String, The date when this Job will end --> | <!-- <attribute name="EndDate">1/25/2003</attribute> --> | </mbean> | In the class org.dcri.reporting.jobmanager.jobs.ReportJob i have the followoing operations defined: | private boolean isMasterNode = false; | | public void startSingleton() { | System.out.println("\n\n\nReportJob...startSingleton -> " + isMasterNode); | isMasterNode = true; | } | | public boolean isMasterNode() { | System.out.println("\n\n\nReportJob...isMasterNode -> " + isMasterNode); | return isMasterNode; | } | | public void stopSingleton() { | System.out.println("\n\n\nReportJob...stopSingleton -> " + isMasterNode); | isMasterNode = false; | } | But, I'm getting the following exception: | 08:22:04,220 DEBUG [ServiceController] Starting dependent components for: org.dcri.jobmanager.jmx:service=JobManager,job | =REPORT(reporting-service-1.3.1) dependent components: [ObjectName: org.dcri.jobmanager.jmx:service=JobManager-HASinglet | onController | State: CREATED | I Depend On: | jboss:service=DefaultPartition | org.dcri.jobmanager.jmx:service=JobManager,job=REPORT(reporting-service-1.3.1) | ] | 08:22:04,222 DEBUG [ServiceController] starting service org.dcri.jobmanager.jmx:service=JobManager-HASingletonController | | 08:22:04,223 DEBUG [HASingletonController] Starting org.dcri.jobmanager.jmx:service=JobManager-HASingletonController | 08:22:04,223 DEBUG [HASingletonController] start HAServiceMBeanSupport | 08:22:04,224 DEBUG [HASingletonController] findHAPartitionWithName, name=DefaultPartition | 08:22:04,235 DEBUG [HASingletonController] partitionTopologyChanged, isElectedNewMaster=true, isMasterNode=false, viewID | =-35945124 | 08:22:04,236 DEBUG [HASingletonController] startNewMaster, isMasterNode=false | 08:22:04,236 DEBUG [HASingletonController] startSingleton() : elected for master singleton node | 08:22:04,237 DEBUG [HASingletonController] Calling operation: startSingleton(), on target: 'org.dcri.jobmanager.jmx:serv | ice=JobManager,job=REPORT(reporting-service-1.3.1)' | 08:22:04,237 ERROR [HASingletonController] Controlled Singleton MBean failed to become master | javax.management.ReflectionException | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:231) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.ha.singleton.HASingletonController.invokeSingletonMBeanMethod(HASingletonController.java:207) | at org.jboss.ha.singleton.HASingletonController.startSingleton(HASingletonController.java:144) | at org.jboss.ha.singleton.HASingletonSupport.startNewMaster(HASingletonSupport.java:272) | at org.jboss.ha.singleton.HASingletonSupport.makeThisNodeMaster(HASingletonSupport.java:254) | at org.jboss.ha.singleton.HASingletonSupport.partitionTopologyChanged(HASingletonSupport.java:196) | at org.jboss.ha.jmx.HAServiceMBeanSupport$1.replicantsChanged(HAServiceMBeanSupport.java:247) | at org.jboss.ha.framework.server.DistributedReplicantManagerImpl.notifyKeyListeners(DistributedReplicantManagerI | mpl.java:846) | at org.jboss.ha.framework.server.DistributedReplicantManagerImpl.add(DistributedReplicantManagerImpl.java:409) | at org.jboss.ha.jmx.HAServiceMBeanSupport.registerDRMListener(HAServiceMBeanSupport.java:255) | at org.jboss.ha.jmx.HAServiceMBeanSupport.startService(HAServiceMBeanSupport.java:177) | at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289) | at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245) | at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978) | at $Proxy0.start(Unknown Source) | at org.jboss.system.ServiceController.start(ServiceController.java:417) | at org.jboss.system.ServiceController.start(ServiceController.java:435) | at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) | at $Proxy4.start(Unknown Source) | at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304) | at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025) | at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782) | at sun.reflect.GeneratedMethodAccessor27.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) | at $Proxy9.deploy(Unknown Source) | at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421) | at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634) | at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:26 | 3) | at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336) | at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289) | at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245) | at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978) | at $Proxy0.start(Unknown Source) | at org.jboss.system.ServiceController.start(ServiceController.java:417) | at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:86) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) | at $Proxy4.start(Unknown Source) | at org.jboss.deployment.SARDeployer.start(SARDeployer.java:304) | at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782) | at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:597) | at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155) | at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94) | at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142) | at org.jboss.mx.server.Invocation.invoke(Invocation.java:88) | at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264) | at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659) | at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210) | at $Proxy5.deploy(Unknown Source) | at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482) | at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362) | at org.jboss.Main.boot(Main.java:200) | at org.jboss.Main$1.run(Main.java:508) | at java.lang.Thread.run(Thread.java:619) | Caused by: java.lang.IllegalArgumentException: Unable to find operation startSingleton() | ... 105 more | 08:22:04,269 DEBUG [HASingletonController] Started org.dcri.jobmanager.jmx:service=JobManager-HASingletonController | 08:22:04,269 DEBUG [ServiceController] Starting dependent components for: org.dcri.jobmanager.jmx:service=JobManager-HASingletonController dependent components: [] | 08:22:04,273 DEBUG [RepositoryClassLoader] setRepository, repository=org.jboss.mx.loading.HeirarchicalLoaderRepository3@ | 56de9984, cl=org.jboss.mx.loading.HeirarchicalLoaderRepository3$CacheClassLoader@5debf305{ url=null ,addedOrder=0} | 08:22:04,277 DEBUG [MainDeployer] End deployment start on package: jobmanager-service-jmx-1.2.1.sar | 08:22:04,277 DEBUG [MainDeployer] Begin deployment start file:/C:/work/jboss-4.2.3.GA/server/all/tmp/deploy/tmp42371repo | rting-service-app-1.3.1.ear-contents/reporting-service-core-1.3.1.jar | 08:22:04,278 DEBUG [EJBDeployer] start application, deploymentInfo: org.jboss.deployment.DeploymentInfo@d9ce7249 { url=f | ile:/C:/work/jboss-4.2.3.GA/server/all/tmp/deploy/tmp42371reporting-service-app-1.3.1.ear-contents/reporting-service-cor | e-1.3.1.jar } | can someone let me know if my config is wrong or i forgot a step ? thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4175330#... 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