5 Replies Latest reply on May 9, 2008 7:08 AM by jaikiran

Trying to install already registered beans

soni_rahul337 May 9, 2008 5:29 AM

Hi ,All

I got the error that Trying to install already registered beans when I am deploying two Ears both Ear containts the same ejbs but have a different servlets and jsps in their war directory but the EJBs they are using are same. I have specify the two entries in the mssql-ds.xml for the two ears and datasources but the both ears using the same database say Northwind. First ear is deployed successfully but when jboss try to installl the second ear it will give the above error that ejbs are allready registered.

wht to do in this case? I have never deployed the two Ear on the same jboss application server.

Any help will be greatly appericiated.

My Environment :- JBoss 4.0.5 GA
jdk 1.5.0_06
windows 2003 server
SQL server 2005 9.00.1399

Thanks,
Rahul Soni

1. Re: Trying to install already registered beans

jaikiran May 9, 2008 6:17 AM (in response to soni_rahul337)

Post the entire exception stacktrace. While posting the logs, remember to wrap it in a code block using the Code button in the message editor window and please hit the Preview button to make sure your post is correctly formatted.
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2. Re: Trying to install already registered beans

soni_rahul337 May 9, 2008 6:38 AM (in response to soni_rahul337)

Hi ,Jaikiran here I have attached the stacktrace as you have guide me
Thanks for your reply.

Best Regards,
Rahul Soni.


[exec] javax.management.InstanceAlreadyExistsException: jboss.j2ee:jndiName=com.alerts.AlertsEntityEJBHome,service=EJB already registered.
 [exec] at org.jboss.mx.server.registry.BasicMBeanRegistry.add(BasicMBeanRegistry.java:761)
 [exec] at org.jboss.mx.server.registry.BasicMBeanRegistry.registerMBean(BasicMBeanRegistry.java:225)
 [exec] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.server.MBeanServerImpl$3.run(MBeanServerImpl.java:1422)
 [exec] at java.security.AccessController.doPrivileged(Native Method)
 [exec] at org.jboss.mx.server.MBeanServerImpl.registerMBean(MBeanServerImpl.java:1417)
 [exec] at org.jboss.mx.server.MBeanServerImpl.registerMBean(MBeanServerImpl.java:376)
 [exec] at org.jboss.ejb.EjbModule.createService(EjbModule.java:373)
 [exec] at org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:260)
 [exec] at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:243)
 [exec] at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
 [exec] at $Proxy0.create(Unknown Source)
 [exec] at org.jboss.system.ServiceController.create(ServiceController.java:330)
 [exec] at org.jboss.system.ServiceController.create(ServiceController.java:273)
 [exec] at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 [exec] at $Proxy25.create(Unknown Source)
 [exec] at org.jboss.ejb.EJBDeployer.create(EJBDeployer.java:641)
 [exec] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 [exec] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 [exec] at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
 [exec] at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
 [exec] at org.jboss.ws.integration.jboss.DeployerInterceptor.create(DeployerInterceptor.java:74)
 [exec] at org.jboss.ws.integration.jboss.DeployerInterceptorEJB.create(DeployerInterceptorEJB.java:44)
 [exec] at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.create(SubDeployerInterceptorSupport.java:180)
 [exec] at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:91)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 [exec] at $Proxy26.create(Unknown Source)
 [exec] at org.jboss.deployment.MainDeployer.create(MainDeployer.java:969)
 [exec] at org.jboss.deployment.MainDeployer.create(MainDeployer.java:959)
 [exec] at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:818)
 [exec] at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
 [exec] at sun.reflect.GeneratedMethodAccessor54.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 [exec] at $Proxy8.deploy(Unknown Source)
 [exec] at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
 [exec] at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
 [exec] at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
 [exec] at org.jboss.deployment.scanner.AbstractDeploymentScanner.startService(AbstractDeploymentScanner.java:336)
 [exec] at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
 [exec] at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
 [exec] at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
 [exec] at $Proxy0.start(Unknown Source)
 [exec] at org.jboss.system.ServiceController.start(ServiceController.java:417)
 [exec] at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 [exec] at $Proxy4.start(Unknown Source)
 [exec] at org.jboss.deployment.SARDeployer.start(SARDeployer.java:302)
 [exec] at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
 [exec] at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
 [exec] at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
 [exec] at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:766)
 [exec] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 [exec] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 [exec] at java.lang.reflect.Method.invoke(Method.java:585)
 [exec] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
 [exec] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
 [exec] at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
 [exec] at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
 [exec] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
 [exec] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
 [exec] at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
 [exec] at $Proxy5.deploy(Unknown Source)
 [exec] at org.jboss.system.server.ServerImpl.doStart(ServerImpl.java:482)
 [exec] at org.jboss.system.server.ServerImpl.start(ServerImpl.java:362)
 [exec] at org.jboss.Main.boot(Main.java:200)
 [exec] at org.jboss.Main$1.run(Main.java:490)
 [exec] at java.lang.Thread.run(Thread.java:595)

3. Re: Trying to install already registered beans

jaikiran May 9, 2008 6:47 AM (in response to soni_rahul337)

You probably are specifying the same JNDI name for the EJBs in both the EARs. You will have to specify unique JNDI names for these EJBs in these 2 EARs.
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4. Re: Trying to install already registered beans

soni_rahul337 May 9, 2008 7:01 AM (in response to soni_rahul337)

Thanks Jaikiran for your reply again
but in the mssql-ds.xml I have specified the different jndi name for both the Ears. My mssql-ds.xml looks like this:-

Best Regards,
Rahul Soni.

 <?xml version="1.0" encoding="UTF-8"?>
 <datasources>
 <local-tx-datasource>
 <jndi-name>jdbc/Northwind1</jndi-name>
 <connection-url>jdbc:sqlserver://localhost:1433;DatabaseName=Northwind;</connection-url>
 <driver-class>com.microsoft.sqlserver.jdbc.SQLServerDriver</driver-class>
 <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation>
 <user-name>xx</user-name>
 <password>xxxx</password>
 <min-pool-size>3</min-pool-size>
 <max-pool-size>200</max-pool-size>
 <prepared-statement-cache-size>50</prepared-statement-cache-size>
 </local-tx-datasource>
 <local-tx-datasource>
 <jndi-name>jdbc/Northwind2</jndi-name>
 <connection-url>jdbc:sqlserver://localhost:1433;DatabaseName=Northwind;</connection-url>
 <driver-class>com.microsoft.sqlserver.jdbc.SQLServerDriver</driver-class>
 <transaction-isolation>TRANSACTION_READ_COMMITTED</transaction-isolation>
 <user-name>xx</user-name>
 <password>xxxx</password>
 <min-pool-size>3</min-pool-size>
 <max-pool-size>200</max-pool-size>
 <prepared-statement-cache-size>50</prepared-statement-cache-size>
 </local-tx-datasource>
</datasources>

5. Re: Trying to install already registered beans

jaikiran May 9, 2008 7:08 AM (in response to soni_rahul337)

The -ds.xml specifies the JNDI name for the datasources and not the EJBs. The jndi-name for EJBs is specified in the jboss.xml file which will be in the META-INF folder of the ejb jar. If you don't have a jboss.xml file then JBoss uses the classname of the beans and bind the EJBs to that name. You will have to configure the jndi-name through jboss.xml to ensure that they are unique for the beans within these 2 EARs.
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