"block">Create a new transaction and associate it with the current thread.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="NotSupportedException.html" title="class in jakarta.transaction">NotSupportedException</a></code> - Thrown if the thread is already
    associated with a transaction and the Transaction Manager
    implementation does not support nested transactions.</dd>
<dd><code><a href="SystemException.html" title="class in jakarta.transaction">SystemException</a></code> - Thrown if the