EJB 3.1 @Singleton with @Startup causes @PostConstruct to be called twice...

I have been working on initializing a some elements in the @PostConstruct annotated method within an EJB that is already annotated as @Singleton. I decided that I wanted the initialization to be done when the EJB is deployed so I added the @Startup. Both the constructor and @PostConstruct method is getting called twice. Can someone please explain to me why it appears the EJB is being initialized twice and if there is a way to prevent the @PostConstruct method from being called twice?
Many thanks,
- Joe

Is this with GlassFish?

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I tried your example and got the deployment problem as well. I don't think the way you have your schema defined is correct. By putting xmlns:xls="http://www.bea.com/ns/weblogic/90", you are associating all tags that begin with "wls:" with that namespace. By specifying the schemas location for http://www.bea.com/ns/weblogic/920, you are telling it where it can find the "920" schema, but it is never stated where you find the "90" schema. This effectively turns off schema checking for the "90" namespace. By not putting "wls:" in front of singleton-service, you are putting it at the default namespace which is not defined. This all seems to make Eclipse happy because it cannot fully validate the document.
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Generating classpath dependencies...done
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Writing archive...done
*** Invoking the Oracle8i deployment utility ***
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at oracle.aurora.server.tools.sess_iiop.ToolImpl.invoke
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at
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at oracle.jdeveloper.wizard.common.ProgressDialog.run
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at java.lang.Thread.run(Compiled Code)
null

Chris,
Perhaps you should be checking if the user you wish to deploy
EJBs to has at least JAVAUSERPRIV.
As SYSTEM
grant JAVAUSERPRIV to <user>;
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/Mark
Chris Jones (guest) wrote:
: Hi,
: I'm having a problem deploying an EJB to Oracle 8i with
: JDeveloper 2.0.
: I am receiving an insufficient privileges error in the
: deployment process when it reaches the stage Generating EJBHome
: and EJBObject on the server. I am logging in using the system,
: sys, scott or internal account and all still receive the same
: error. What role/privelege do I need to deploy an ejb to 8i?
: Thanks in advance.
: Here is a dump of the output JDeveloper produces.
: *** Invoking the Oracle JDeveloper deployment utility ***
: Scanning project files...done
: Generating classpath dependencies...done
: Generating archive entries table...done
: Writing archive...done
: *** Invoking the Oracle8i deployment utility ***
: Reading Deployment Descriptor...done
: Verifying Deployment Descriptor...done
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: Generating Comm Stubs...done
: Compiling Stubs...done
: Generating Jar File...done
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: (Compiled Code)
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: (Compiled Code)
: at oracle.aurora.ejb.deployment.GenerateEjb.invoke
: (Compiled Code)
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: (Compiled Code)
: at oracle.jdeveloper.wizard.common.ProgressDialog.run
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null

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All,
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