MDB TimerManager Error after updating a deployment

Question

We are running weblogic 10.3
After updating a deployment, our app is consistently getting the following error:
java.lang.IllegalArgumentException: Existing timer manager has different work manager.
TimerManager requested: JMSPoller-TestMessageBean
When we perform the update, we first stop the deployment (selecting when work completes) - then update the deployment.
The only way to clear the error is to bounce the server - which we can't always do without interrupting other applications.
We have not configured any special workManagers - the weblogic configuration is quite vanilla.
the following is an exerpt from the weblogic-ejb-jar.xml for the bean:
<weblogic-enterprise-bean>
<ejb-name>TestMessageBean</ejb-name>
<message-driven-descriptor>
     <pool>
     <max-beans-in-free-pool>1</max-beans-in-free-pool>
     <initial-beans-in-free-pool>0</initial-beans-in-free-pool>
</pool>
<destination-jndi-name>mqjms/TEST_QUEUE</destination-jndi-name>
<connection-factory-jndi-name>mqjms/queueConnectionFactory</connection-factory-jndi-name>
<jms-polling-interval-seconds>60</jms-polling-interval-seconds>
</message-driven-descriptor>
</weblogic-enterprise-bean>

Answer 1

<t:selectOneMenu forceId="true"
id="department"
value="#{DeptBean.departmentId}">
<f:selectItems value="#{DeptBean.departmentList}"
/>
</t:selectOneMenu>What is the type of departmentId ? If it is not a String, then try making it a String and see if the issue is resolved. I am not sure if this will help you. But its worth a try.