Jaroslaw, look for any test timeouts.  As Adrian mentioned, it is some test failing to teardown and tests timing out are likely suspects.  Debug them first.  If you see no test timeouts, then the problem becomes harder.

In that case, would it be realistic for JBossTestCase to assert that the number of deployments remain constant between each deploy and undeploy()?  Could be a simple mechanism to flag bad tests.

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From: jboss-development-bounces@lists.jboss.org [mailto:jboss-development-bounces@lists.jboss.org] On Behalf Of Jaroslaw Kijanowski
Sent: Saturday, August 12, 2006 10:58 AM
To: jboss-development@lists.jboss.org
Subject: [JBoss-dev] InstanceAlreadyExistsException afterundeploy andrepeated deploy in JBoss AS 5.0.0 Beta

Hello,
 I've got the following issue with JBoss AS 5.0.0 Beta:
After I run a test (in "one-test" mode, so no previous test caused an time out etc.), I see on the server console that the corresponding jar is undeploying and the home interfaces are unbinding. But when I run the test again, I get InstanceAlreadyExistsException:

11:43:12,406 INFO  [Server] JBoss (MX MicroKernel) [5.0.0.Beta (build: CVSTag=HE
AD date=200608071122)] Started in 1m:3s:563ms
11:43:53,046 INFO  [EjbModule] Deploying Customer
11:43:53,234 INFO  [EjbModule] Deploying Account
11:43:53,250 INFO  [EjbModule] Deploying Teller
11:43:53,281 INFO  [EjbModule] Deploying Bank
11:43:54,687 INFO  [ProxyFactory] Bound EJB Home 'Customer' to jndi 'bank/Custom
er'
11:43:54,703 INFO  [ProxyFactory] Bound EJB Home 'Account' to jndi 'bank/Account
'
11:43:54,718 INFO  [ProxyFactory] Bound EJB Home 'Teller' to jndi 'bank/Teller'
11:43:54,734 INFO  [ProxyFactory] Bound EJB Home 'Bank' to jndi 'bank/Bank'
11:43:54,734 INFO  [EJBDeployer] Deployed: file:/D:/jboss-svn4/jboss-head/testsu
ite/output/lib/bank.jar
11:44:02,093 INFO  [EJBDeployer] Undeploying: file:/D:/jboss-svn4/jboss-head/tes
tsuite/output/lib/bank.jar
11:44:02,125 INFO  [ProxyFactory] Unbind EJB Home 'Bank' from jndi 'bank/Bank'
11:44:02,125 INFO  [EjbModule] Undeployed Bank
11:44:02,125 INFO  [ProxyFactory] Unbind EJB Home 'Teller' from jndi 'bank/Telle
r'
11:44:02,125 INFO  [EjbModule] Undeployed Teller
11:44:02,125 INFO  [ProxyFactory] Unbind EJB Home 'Account' from jndi 'bank/Acco
unt'
11:44:02,140 INFO  [EjbModule] Undeployed Account
11:44:02,140 INFO  [ProxyFactory] Unbind EJB Home 'Customer' from jndi 'bank/Cus
tomer'
11:44:02,140 INFO  [EjbModule] Undeployed Customer

*************
An now I run the test again:
*************

11:44:17,390 INFO  [EjbModule] Deploying Customer
11:44:17,421 INFO  [EjbModule] Deploying Account
11:44:17,421 INFO  [EjbModule] Deploying Teller
11:44:17,437 INFO  [EjbModule] Deploying Bank
11:44:17,453 INFO  [EntityContainer] Registration is not done -> stop
11:44:17,453 ERROR [AbstractKernelController] Error installing to Create: name=j
boss.j2ee:module=bank.jar,service=EjbModule,uid=29596937 state=Configured mode=M
anual requiredState=Create
javax.management.InstanceAlreadyExistsException: jboss.j2ee:jndiName=bank/Custom
er,service=EJB already registered.
        at org.jboss.mx.server.registry.BasicMBeanRegistry.add(BasicMBeanRegistr
y.java:765)
        at org.jboss.mx.server.registry.BasicMBeanRegistry.registerMBean(BasicMB
eanRegistry.java:234)
.
.
.
11:44:17,531 INFO  [EJBDeployer] Deployed: file:/D:/jboss-svn4/jboss-head/testsu
ite/output/lib/bank.jar
11:44:17,968 INFO  [EJBDeployer] Undeploying: file:/D:/jboss-svn4/jboss-head/tes
tsuite/output/lib/bank.jar
******************
I saw similar issues for previous versions of the AS (all resolved) but I think this is the first for the Beta 5.0 version.