[jboss-user] [JBoss and NetBeans] - Re: NameNotFoundException: DefaultDS not bound - Entity Unit

[lkotouc]

The main problem results from inability to initialize the context, see the exception:
>Need to specify class name in environment or system property: java.naming.factory.initial 

Some properties must be set prior to creation of InitialContext instance. The other way of setting the properties is to provide jndi.properties file along with your client code.

BTW, are you sure that the deployment exception comes from your jar? I am not sure about the meaning of the reason of the deployment failure:
>Trying to install an already registered mbean: jboss.system:service=ThreadPool 
Does it appear even if you don't deploy your jar? If it does, the reason is not in your jar. If it doesn't, try to deploy as simple EJB module as possible (e.g. with one stateless session bean only) and modify/deploy it (to get the EJB module you use now) until the exception appears. This way you'll identify the problem.

Generally, get rid of the deployment exception first and then set the environment properties to initialize the context in the client code.

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