EAP 6 で警告メッセージ IJ000305: Connection error と IJ000612: Destroying connection が発生する

Issue

• server.log に、警告メッセージ IJ000305: Connection error と IJ000612: Destroying connection が発生します。

...WARN  [org.jboss.jca.adapters.jdbc.local.LocalManagedConnectionFactory] (<THREAD_ID_HERE>) Destroying connection that is not valid, due to the following exception:...
...WARN  [org.jboss.jca.core.connectionmanager.listener.NoTxConnectionListener] (<THREAD_ID_HERE>) IJ000305:Connection error occured:...
...WARN  [org.jboss.jca.core.connectionmanager.pool.strategy.OnePool] (<THREAD_ID_HERE>) IJ000612:Destroying connection that could not be successfully matched ...