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<div class="subTitle">org.apache.hadoop.mapreduce.v2.api</div>
<h2 title="Interface MRClientProtocol" class="title">Interface MRClientProtocol</h2>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/HSClientProtocol.html" title="interface in org.apache.hadoop.mapreduce.v2.api">HSClientProtocol</a></dd>
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<pre>public interface <span class="typeNameLabel">MRClientProtocol</span></pre>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/CancelDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">CancelDelegationTokenResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#cancelDelegationToken-org.apache.hadoop.mapreduce.v2.api.protocolrecords.CancelDelegationTokenRequest-">cancelDelegationToken</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/CancelDelegationTokenRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">CancelDelegationTokenRequest</a>&nbsp;request)</code>
<div class="block">Cancel an existing delegation token.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/FailTaskAttemptResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">FailTaskAttemptResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#failTaskAttempt-org.apache.hadoop.mapreduce.v2.api.protocolrecords.FailTaskAttemptRequest-">failTaskAttempt</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/FailTaskAttemptRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">FailTaskAttemptRequest</a>&nbsp;request)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#getConnectAddress--">getConnectAddress</a></span>()</code>
<div class="block">Address to which the client is connected</div>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetCountersResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetCountersResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#getCounters-org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetCountersRequest-">getCounters</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetCountersRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetCountersRequest</a>&nbsp;request)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDelegationTokenResponse</a></code></td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDiagnosticsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDiagnosticsResponse</a></code></td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetJobReportResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetJobReportResponse</a></code></td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptCompletionEventsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptCompletionEventsResponse</a></code></td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptReportResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptReportResponse</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#getTaskReport-org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskReportRequest-">getTaskReport</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportRequest</a>&nbsp;request)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportsResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#getTaskReports-org.apache.hadoop.mapreduce.v2.api.protocolrecords.GetTaskReportsRequest-">getTaskReports</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportsRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportsRequest</a>&nbsp;request)</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillJobResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillJobResponse</a></code></td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#killTask-org.apache.hadoop.mapreduce.v2.api.protocolrecords.KillTaskRequest-">killTask</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskRequest</a>&nbsp;request)</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskAttemptResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskAttemptResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#killTaskAttempt-org.apache.hadoop.mapreduce.v2.api.protocolrecords.KillTaskAttemptRequest-">killTaskAttempt</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskAttemptRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskAttemptRequest</a>&nbsp;request)</code>&nbsp;</td>
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<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/RenewDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">RenewDelegationTokenResponse</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/MRClientProtocol.html#renewDelegationToken-org.apache.hadoop.mapreduce.v2.api.protocolrecords.RenewDelegationTokenRequest-">renewDelegationToken</a></span>(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/RenewDelegationTokenRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">RenewDelegationTokenRequest</a>&nbsp;request)</code>
<div class="block">Renew an existing delegation token.</div>
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<h4>getConnectAddress</h4>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a>&nbsp;getConnectAddress()</pre>
<div class="block">Address to which the client is connected</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>InetSocketAddress</dd>
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<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetJobReportResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetJobReportResponse</a>&nbsp;getJobReport(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetJobReportRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetJobReportRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
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<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportResponse</a>&nbsp;getTaskReport(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptReportResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptReportResponse</a>&nbsp;getTaskAttemptReport(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptReportRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptReportRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getCounters</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetCountersResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetCountersResponse</a>&nbsp;getCounters(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetCountersRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetCountersRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getTaskAttemptCompletionEvents</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptCompletionEventsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptCompletionEventsResponse</a>&nbsp;getTaskAttemptCompletionEvents(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskAttemptCompletionEventsRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskAttemptCompletionEventsRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportsResponse</a>&nbsp;getTaskReports(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetTaskReportsRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetTaskReportsRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getDiagnostics</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDiagnosticsResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDiagnosticsResponse</a>&nbsp;getDiagnostics(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDiagnosticsRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDiagnosticsRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>killJob</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillJobResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillJobResponse</a>&nbsp;killJob(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillJobRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillJobRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>killTask</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskResponse</a>&nbsp;killTask(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>killTaskAttempt</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskAttemptResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskAttemptResponse</a>&nbsp;killTaskAttempt(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/KillTaskAttemptRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">KillTaskAttemptRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>failTaskAttempt</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/FailTaskAttemptResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">FailTaskAttemptResponse</a>&nbsp;failTaskAttempt(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/FailTaskAttemptRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">FailTaskAttemptRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>getDelegationToken</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDelegationTokenResponse</a>&nbsp;getDelegationToken(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/GetDelegationTokenRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">GetDelegationTokenRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>renewDelegationToken</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/RenewDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">RenewDelegationTokenResponse</a>&nbsp;renewDelegationToken(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/RenewDelegationTokenRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">RenewDelegationTokenRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Renew an existing delegation token.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the delegation token to be renewed.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the new expiry time for the delegation token.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<h4>cancelDelegationToken</h4>
<pre><a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/CancelDelegationTokenResponse.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">CancelDelegationTokenResponse</a>&nbsp;cancelDelegationToken(<a href="../../../../../../org/apache/hadoop/mapreduce/v2/api/protocolrecords/CancelDelegationTokenRequest.html" title="interface in org.apache.hadoop.mapreduce.v2.api.protocolrecords">CancelDelegationTokenRequest</a>&nbsp;request)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Cancel an existing delegation token.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>request</code> - the delegation token to be cancelled.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an empty response.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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