 time as other observers.
 If the transaction is in progress, but <a href="../../../jakarta/transaction/Synchronization.html" title="interface in jakarta.transaction"><code>Synchronization</code></a> callback cannot be registered due to the transaction being already
 marked for rollback or in state where <a href="../../../jakarta/transaction/Synchronization.html" title="interface in jakarta.transaction"><code>Synchronization</code></a> callbacks cannot be registered, the <a href="../../../jakarta/enterprise