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From onyii5119 <>
Subject SEVERE: DeploymentId already used
Date Wed, 09 Apr 2014 15:37:57 GMT
I have searched the internet to find out why this exception is happening in
Tomee but could not get a satisfactory answer.

First my application is a JSF CDI (using some Stateless EJB) application. It
is the only application I am deploying. Other applications deployed on the
server are Tomee examples.

First part of my log says:
Apr 9, 2014 3:13:12 PM org.apache.openejb.config.InitEjbDeployments deploy
INFO: Auto-deploying ejb MyTestService:

Next thing I see in the log is:
Apr 9, 2014 3:13:12 PM org.apache.openejb.assembler.classic.Assembler
SEVERE: DeploymentId already used: MyTestService

Finally I see:
Apr 9, 2014 3:13:12 PM org.apache.tomee.catalina.TomcatWebAppBuilder
SEVERE: Unable to deploy collapsed ear in war
org.apache.openejb.DuplicateDeploymentIdException: Application cannot be
deployed as it contains deployment-ids which are in use: app: 

My questions are:
1. Why is this happening (why the duplicate IDs?)? I don't have any
duplicate beans or names.
2. What is it in my application that triggers this error?
3. What are the steps I have to take to solve this problem?

The current application I am trying to convert runs fine under Tomcat and

Please help.

Jonathan Ekwempu

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