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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jakarta/batch/api/partition/AbstractPartitionReducer.html#rollbackPartitionedStep--">rollbackPartitionedStep</a></span>()</code>
<div class="block">Override this method to take action when a  
 partitioned step is rolling back.</div>
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