[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - ManagedConnectionFactory is null

[jimmycallaghan]

I've seen this error happen before due to a hot-deploy of a -ds.xml file but I'm now getting this error without a hot-deploy. If I restart the server, everything will be OK for a couple of days, and then we get problems again.

My datasource is configured in a file outside of the EAR and the contents are:
<no-tx-datasource>
  |     <jndi-name>messagingplatform_prod_DS</jndi-name>
  |     <connection-url>jdbc:mysql:/the_ip_of_the_server:3306/database_name</connection-url>
  |     <driver-class>com.mysql.jdbc.Driver</driver-class>
  |     <user-name>myusername</user-name>
  |     <password>mypassword</password>
  |     <max-pool-size>40</max-pool-size>
  |     <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</exception-sorter-class-name>
  |     <check-valid-connection-sql>select 'x'</check-valid-connection-sql>
  | 
  | </no-tx-datasource>

Can anyone think of any reasons why this error might just start happening?

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