arget object is in the prepared state or the transaction is
          inactive.</dd>
<dd><code><a href="../../jakarta/transaction/SystemException.html" title="class in jakarta.transaction">SystemException</a></code> - Thrown if the transaction manager
    encounters an unexpected error condition.</dd>
</dl>
</li>
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<h4>rollback</h4>
<pre>void&nbsp;rollback()
       throws <a href="https://docs.oracle.com/javase/8/docs/ap