  not allowed to roll back the transaction.</dd>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</a></code> - Thrown if the current thread is
    not associated with a transaction.</dd>
<dd><code><a href="../../javax/transaction/SystemException.html" title="class in javax.transaction">SystemException</a></code> - Thrown if the transaction manager
    encounters an unexpected error