/span></dt>
<dd><code><a href="../../../../jakarta/batch/api/partition/PartitionReducer.html#beginPartitionedStep--">beginPartitionedStep</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../jakarta/batch/api/partition/PartitionReducer.html" title="interface in jakarta.batch.api.partition">PartitionReducer</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface i