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Date: Wed, 28 Apr 2010 16:55:48 -0400 (EDT)
From: "Jarek Gawor (JIRA)" <jira@apache.org>
To: dev@geronimo.apache.org
Subject: [jira] Created: (GERONIMO-5278) NPE when using Geronimo Karaf shell
 commands
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NPE when using Geronimo Karaf shell commands
--------------------------------------------

                 Key: GERONIMO-5278
                 URL: https://issues.apache.org/jira/browse/GERONIMO-5278
             Project: Geronimo
          Issue Type: Bug
      Security Level: public (Regular issues)
          Components: commands
    Affects Versions: 3.0
            Reporter: Jarek Gawor


In certain circumstances I see the following exception when executing any Geronimo Karaf shell commands:

karaf@root> deploy:list-modules  -u system -w manager
Connecting to Geronimo server: localhost:1099
2010-04-28 16:33:42,684 ERROR [BaseDeploymentFactory] 
java.lang.NullPointerException
	at javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2327)
	at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:279)
	at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:248)
	at org.apache.geronimo.deployment.plugin.factories.BaseDeploymentFactory.newRemoteDeploymentManager(BaseDeploymentFactory.java:185)
	at org.apache.geronimo.deployment.plugin.factories.BaseDeploymentFactory.getDeploymentManager(BaseDeploymentFactory.java:140)
	at javax.enterprise.deploy.shared.factories.DeploymentFactoryManager.getDeploymentManager(DeploymentFactoryManager.java:111)
	at org.apache.geronimo.deployment.cli.OnlineServerConnection.tryToConnect(OnlineServerConnection.java:153)
	at org.apache.geronimo.deployment.cli.OnlineServerConnection.<init>(OnlineServerConnection.java:92)
	at org.apache.geronimo.shell.deploy.ConnectCommand.openConnection(ConnectCommand.java:153)
	at org.apache.geronimo.shell.deploy.ConnectCommand.connect(ConnectCommand.java:93)
	at org.apache.geronimo.shell.deploy.ListModulesCommand.doExecute(ListModulesCommand.java:54)
	at org.apache.felix.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:41)
	at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:34)
	at org.apache.felix.gogo.runtime.shell.CommandProxy.execute(CommandProxy.java:45)
	at org.apache.felix.gogo.runtime.shell.Closure.execute(Closure.java:211)
	at org.apache.felix.gogo.runtime.shell.Closure.executeStatement(Closure.java:146)
	at org.apache.felix.gogo.runtime.shell.Pipe.run(Pipe.java:91)
	at org.apache.felix.gogo.runtime.shell.Closure.execute(Closure.java:75)
	at org.apache.felix.gogo.runtime.shell.CommandSessionImpl.execute(CommandSessionImpl.java:71)
	at org.apache.felix.karaf.shell.console.jline.Console.run(Console.java:177)
	at java.lang.Thread.run(Thread.java:619)

This only happens when executing the Geronimo shell command in a running server shell and with embedded mode turned off (by modifying code at this point).

As far as I can tell some JNDI lookup does not return the right thing (null instead of the JMXConnector instance) but it's hard to tell since most of the stuff happens in Sun's code.

This is not a critical problem now since the Geronimo shell commands should work fine in embedded mode.


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