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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/StopMapOutputTracker.html#canEqual(java.lang.Object)">canEqual</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/StopMapOutputTracker.html#equals(java.lang.Object)">equals</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
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href="../../../org/apache/spark/StopMapOutputTracker.html#productArity()">productArity</a></strong>()</code>&nbsp;</td>
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+<tr class="rowColor">
+<td class="colFirst"><code>abstract static Object</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/StopMapOutputTracker.html#productElement(int)">productElement</a></strong>(int&nbsp;n)</code>&nbsp;</td>
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+<td class="colFirst"><code>static 
scala.collection.Iterator&lt;Object&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/StopMapOutputTracker.html#productIterator()">productIterator</a></strong>()</code>&nbsp;</td>
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+<td class="colFirst"><code>static String</code></td>
+<td class="colLast"><code><strong><a 
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http://git-wip-us.apache.org/repos/asf/spark-website/blob/3a634959/site/docs/2.1.3/api/java/org/apache/spark/Success.html
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+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/Success.html#canEqual(java.lang.Object)">canEqual</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
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+<tr class="rowColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/Success.html#equals(java.lang.Object)">equals</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
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+<tr class="altColor">
+<td class="colFirst"><code>abstract static int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/Success.html#productArity()">productArity</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract static Object</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/Success.html#productElement(int)">productElement</a></strong>(int&nbsp;n)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static 
scala.collection.Iterator&lt;Object&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/Success.html#productIterator()">productIterator</a></strong>()</code>&nbsp;</td>
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+<tr class="rowColor">
+<td class="colFirst"><code>static String</code></td>
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href="../../../org/apache/spark/Success.html#productPrefix()">productPrefix</a></strong>()</code>&nbsp;</td>
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+<pre>public abstract static&nbsp;boolean&nbsp;equals(Object&nbsp;that)</pre>
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+<pre>public abstract static&nbsp;Object&nbsp;productElement(int&nbsp;n)</pre>
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http://git-wip-us.apache.org/repos/asf/spark-website/blob/3a634959/site/docs/2.1.3/api/java/org/apache/spark/TaskCommitDenied.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
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+<!-- Generated by javadoc (version 1.7.0_80) on Tue Jun 26 17:20:44 UTC 2018 
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+<meta name="date" content="2018-06-26">
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+<script type="text/javascript"><!--
+    if (location.href.indexOf('is-external=true') == -1) {
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+    }
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.spark</div>
+<h2 title="Class TaskCommitDenied" class="title">Class TaskCommitDenied</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.spark.TaskCommitDenied</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>java.io.Serializable, <a 
href="../../../org/apache/spark/TaskEndReason.html" title="interface in 
org.apache.spark">TaskEndReason</a>, <a 
href="../../../org/apache/spark/TaskFailedReason.html" title="interface in 
org.apache.spark">TaskFailedReason</a>, scala.Equals, scala.Product</dd>
+</dl>
+<hr>
+<br>
+<pre>public class <span class="strong">TaskCommitDenied</span>
+extends Object
+implements <a href="../../../org/apache/spark/TaskFailedReason.html" 
title="interface in org.apache.spark">TaskFailedReason</a>, scala.Product, 
scala.Serializable</pre>
+<div class="block">:: DeveloperApi ::
+ Task requested the driver to commit, but was denied.</div>
+<dl><dt><span class="strong">See Also:</span></dt><dd><a 
href="../../../serialized-form.html#org.apache.spark.TaskCommitDenied">Serialized
 Form</a></dd></dl>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#TaskCommitDenied(int,%20int,%20int)">TaskCommitDenied</a></strong>(int&nbsp;jobID,
+                int&nbsp;partitionID,
+                int&nbsp;attemptNumber)</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#attemptNumber()">attemptNumber</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#canEqual(java.lang.Object)">canEqual</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#countTowardsTaskFailures()">countTowardsTaskFailures</a></strong>()</code>
+<div class="block">If a task failed because its attempt to commit was denied, 
do not count this failure
+ towards failing the stage.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract static boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#equals(java.lang.Object)">equals</a></strong>(Object&nbsp;that)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#jobID()">jobID</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#partitionID()">partitionID</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract static int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#productArity()">productArity</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract static Object</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#productElement(int)">productElement</a></strong>(int&nbsp;n)</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static 
scala.collection.Iterator&lt;Object&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#productIterator()">productIterator</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static String</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#productPrefix()">productPrefix</a></strong>()</code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskCommitDenied.html#toErrorString()">toErrorString</a></strong>()</code>
+<div class="block">Error message displayed in the web UI.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;Object</h3>
+<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, 
wait</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_scala.Product">
+<!--   -->
+</a>
+<h3>Methods inherited from interface&nbsp;scala.Product</h3>
+<code>productArity, productElement, productIterator, productPrefix</code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_scala.Equals">
+<!--   -->
+</a>
+<h3>Methods inherited from interface&nbsp;scala.Equals</h3>
+<code>canEqual, equals</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="TaskCommitDenied(int, int, int)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>TaskCommitDenied</h4>
+<pre>public&nbsp;TaskCommitDenied(int&nbsp;jobID,
+                int&nbsp;partitionID,
+                int&nbsp;attemptNumber)</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="canEqual(java.lang.Object)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>canEqual</h4>
+<pre>public abstract static&nbsp;boolean&nbsp;canEqual(Object&nbsp;that)</pre>
+</li>
+</ul>
+<a name="equals(java.lang.Object)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>equals</h4>
+<pre>public abstract static&nbsp;boolean&nbsp;equals(Object&nbsp;that)</pre>
+</li>
+</ul>
+<a name="productElement(int)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>productElement</h4>
+<pre>public abstract static&nbsp;Object&nbsp;productElement(int&nbsp;n)</pre>
+</li>
+</ul>
+<a name="productArity()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>productArity</h4>
+<pre>public abstract static&nbsp;int&nbsp;productArity()</pre>
+</li>
+</ul>
+<a name="productIterator()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>productIterator</h4>
+<pre>public 
static&nbsp;scala.collection.Iterator&lt;Object&gt;&nbsp;productIterator()</pre>
+</li>
+</ul>
+<a name="productPrefix()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>productPrefix</h4>
+<pre>public static&nbsp;String&nbsp;productPrefix()</pre>
+</li>
+</ul>
+<a name="jobID()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>jobID</h4>
+<pre>public&nbsp;int&nbsp;jobID()</pre>
+</li>
+</ul>
+<a name="partitionID()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>partitionID</h4>
+<pre>public&nbsp;int&nbsp;partitionID()</pre>
+</li>
+</ul>
+<a name="attemptNumber()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>attemptNumber</h4>
+<pre>public&nbsp;int&nbsp;attemptNumber()</pre>
+</li>
+</ul>
+<a name="toErrorString()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>toErrorString</h4>
+<pre>public&nbsp;String&nbsp;toErrorString()</pre>
+<div class="block"><strong>Description copied from interface:&nbsp;<code><a 
href="../../../org/apache/spark/TaskFailedReason.html#toErrorString()">TaskFailedReason</a></code></strong></div>
+<div class="block">Error message displayed in the web UI.</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a 
href="../../../org/apache/spark/TaskFailedReason.html#toErrorString()">toErrorString</a></code>&nbsp;in
 interface&nbsp;<code><a href="../../../org/apache/spark/TaskFailedReason.html" 
title="interface in org.apache.spark">TaskFailedReason</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="countTowardsTaskFailures()">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>countTowardsTaskFailures</h4>
+<pre>public&nbsp;boolean&nbsp;countTowardsTaskFailures()</pre>
+<div class="block">If a task failed because its attempt to commit was denied, 
do not count this failure
+ towards failing the stage. This is intended to prevent spurious stage 
failures in cases
+ where many speculative tasks are launched and denied to commit.</div>
+<dl>
+<dt><strong>Specified by:</strong></dt>
+<dd><code><a 
href="../../../org/apache/spark/TaskFailedReason.html#countTowardsTaskFailures()">countTowardsTaskFailures</a></code>&nbsp;in
 interface&nbsp;<code><a href="../../../org/apache/spark/TaskFailedReason.html" 
title="interface in org.apache.spark">TaskFailedReason</a></code></dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
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+<!--   -->
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+</div>
+<div class="subNav">
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+<!-- NewPage -->
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+<!-- Generated by javadoc (version 1.7.0_80) on Tue Jun 26 17:20:44 UTC 2018 
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+    if (location.href.indexOf('is-external=true') == -1) {
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+</noscript>
+<!-- ========= START OF TOP NAVBAR ======= -->
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+<li><a href="../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../deprecated-list.html">Deprecated</a></li>
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+<li><a href="../../../help-doc.html">Help</a></li>
+</ul>
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+<div class="subNav">
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+<li><a href="#method_summary">Method</a></li>
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+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.spark</div>
+<h2 title="Class TaskContext" class="title">Class TaskContext</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li>Object</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.spark.TaskContext</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd>java.io.Serializable</dd>
+</dl>
+<hr>
+<br>
+<pre>public abstract class <span class="strong">TaskContext</span>
+extends Object
+implements java.io.Serializable</pre>
+<div class="block">Contextual information about a task which can be read or 
mutated during
+ execution. To access the TaskContext for a running task, use:
+ <pre><code>
+   org.apache.spark.TaskContext.get()
+ </code></pre></div>
+<dl><dt><span class="strong">See Also:</span></dt><dd><a 
href="../../../serialized-form.html#org.apache.spark.TaskContext">Serialized 
Form</a></dd></dl>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#TaskContext()">TaskContext</a></strong>()</code>&nbsp;</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" 
summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a 
href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#addTaskCompletionListener(scala.Function1)">addTaskCompletionListener</a></strong>(scala.Function1&lt;<a
 href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a>,scala.runtime.BoxedUnit&gt;&nbsp;f)</code>
+<div class="block">Adds a listener in the form of a Scala closure to be 
executed on task completion.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract <a 
href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#addTaskCompletionListener(org.apache.spark.util.TaskCompletionListener)">addTaskCompletionListener</a></strong>(<a
 href="../../../org/apache/spark/util/TaskCompletionListener.html" 
title="interface in 
org.apache.spark.util">TaskCompletionListener</a>&nbsp;listener)</code>
+<div class="block">Adds a (Java friendly) listener to be executed on task 
completion.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a 
href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#addTaskFailureListener(scala.Function2)">addTaskFailureListener</a></strong>(scala.Function2&lt;<a
 href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a>,Throwable,scala.runtime.BoxedUnit&gt;&nbsp;f)</code>
+<div class="block">Adds a listener to be executed on task failure.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract <a 
href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#addTaskFailureListener(org.apache.spark.util.TaskFailureListener)">addTaskFailureListener</a></strong>(<a
 href="../../../org/apache/spark/util/TaskFailureListener.html" 
title="interface in 
org.apache.spark.util">TaskFailureListener</a>&nbsp;listener)</code>
+<div class="block">Adds a listener to be executed on task failure.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#attemptNumber()">attemptNumber</a></strong>()</code>
+<div class="block">How many times this task has been attempted.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>static <a 
href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a></code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#get()">get</a></strong>()</code>
+<div class="block">Return the currently active TaskContext.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract String</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#getLocalProperty(java.lang.String)">getLocalProperty</a></strong>(String&nbsp;key)</code>
+<div class="block">Get a local property set upstream in the driver, or null if 
it is missing.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract 
scala.collection.Seq&lt;org.apache.spark.metrics.source.Source&gt;</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#getMetricsSources(java.lang.String)">getMetricsSources</a></strong>(String&nbsp;sourceName)</code>
+<div class="block">::DeveloperApi::
+ Returns all metrics sources with the given name which are associated with the 
instance
+ which runs the task.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>static int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#getPartitionId()">getPartitionId</a></strong>()</code>
+<div class="block">Returns the partition id of currently active 
TaskContext.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#isCompleted()">isCompleted</a></strong>()</code>
+<div class="block">Returns true if the task has completed.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#isInterrupted()">isInterrupted</a></strong>()</code>
+<div class="block">Returns true if the task has been killed.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#isRunningLocally()">isRunningLocally</a></strong>()</code>
+<div class="block"><strong>Deprecated.</strong>&nbsp;
+<div class="block"><i>Local execution was removed, so this always returns 
false. Since 2.0.0.</i></div>
+</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#partitionId()">partitionId</a></strong>()</code>
+<div class="block">The ID of the RDD partition that is computed by this 
task.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#stageAttemptNumber()">stageAttemptNumber</a></strong>()</code>
+<div class="block">How many times the stage that this task belongs to has been 
attempted.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract int</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#stageId()">stageId</a></strong>()</code>
+<div class="block">The ID of the stage that this task belong to.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>abstract long</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#taskAttemptId()">taskAttemptId</a></strong>()</code>
+<div class="block">An ID that is unique to this task attempt (within the same 
SparkContext, no two task attempts
+ will share the same attempt ID).</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>abstract 
org.apache.spark.executor.TaskMetrics</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskContext.html#taskMetrics()">taskMetrics</a></strong>()</code>&nbsp;</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_Object">
+<!--   -->
+</a>
+<h3>Methods inherited from class&nbsp;Object</h3>
+<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, 
wait</code></li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="details">
+<ul class="blockList">
+<li class="blockList">
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="TaskContext()">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>TaskContext</h4>
+<pre>public&nbsp;TaskContext()</pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!--   -->
+</a>
+<h3>Method Detail</h3>
+<a name="get()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>get</h4>
+<pre>public static&nbsp;<a href="../../../org/apache/spark/TaskContext.html" 
title="class in org.apache.spark">TaskContext</a>&nbsp;get()</pre>
+<div class="block">Return the currently active TaskContext. This can be called 
inside of
+ user functions to access contextual information about running tasks.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="getPartitionId()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getPartitionId</h4>
+<pre>public static&nbsp;int&nbsp;getPartitionId()</pre>
+<div class="block">Returns the partition id of currently active TaskContext. 
It will return 0
+ if there is no active TaskContext for cases like local execution.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="isCompleted()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isCompleted</h4>
+<pre>public abstract&nbsp;boolean&nbsp;isCompleted()</pre>
+<div class="block">Returns true if the task has completed.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="isInterrupted()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isInterrupted</h4>
+<pre>public abstract&nbsp;boolean&nbsp;isInterrupted()</pre>
+<div class="block">Returns true if the task has been killed.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="isRunningLocally()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isRunningLocally</h4>
+<pre>public abstract&nbsp;boolean&nbsp;isRunningLocally()</pre>
+<div class="block"><span class="strong">Deprecated.</span>&nbsp;<i>Local 
execution was removed, so this always returns false. Since 2.0.0.</i></div>
+<div class="block">Returns true if the task is running locally in the driver 
program.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>false</dd></dl>
+</li>
+</ul>
+<a 
name="addTaskCompletionListener(org.apache.spark.util.TaskCompletionListener)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addTaskCompletionListener</h4>
+<pre>public abstract&nbsp;<a href="../../../org/apache/spark/TaskContext.html" 
title="class in 
org.apache.spark">TaskContext</a>&nbsp;addTaskCompletionListener(<a 
href="../../../org/apache/spark/util/TaskCompletionListener.html" 
title="interface in 
org.apache.spark.util">TaskCompletionListener</a>&nbsp;listener)</pre>
+<div class="block">Adds a (Java friendly) listener to be executed on task 
completion.
+ This will be called in all situation - success, failure, or cancellation.
+ An example use is for HadoopRDD to register a callback to close the input 
stream.
+ <p>
+ Exceptions thrown by the listener will result in failure of the task.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>listener</code> 
- (undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="addTaskCompletionListener(scala.Function1)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addTaskCompletionListener</h4>
+<pre>public&nbsp;<a href="../../../org/apache/spark/TaskContext.html" 
title="class in 
org.apache.spark">TaskContext</a>&nbsp;addTaskCompletionListener(scala.Function1&lt;<a
 href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a>,scala.runtime.BoxedUnit&gt;&nbsp;f)</pre>
+<div class="block">Adds a listener in the form of a Scala closure to be 
executed on task completion.
+ This will be called in all situations - success, failure, or cancellation.
+ An example use is for HadoopRDD to register a callback to close the input 
stream.
+ <p>
+ Exceptions thrown by the listener will result in failure of the task.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - 
(undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="addTaskFailureListener(org.apache.spark.util.TaskFailureListener)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addTaskFailureListener</h4>
+<pre>public abstract&nbsp;<a href="../../../org/apache/spark/TaskContext.html" 
title="class in 
org.apache.spark">TaskContext</a>&nbsp;addTaskFailureListener(<a 
href="../../../org/apache/spark/util/TaskFailureListener.html" title="interface 
in org.apache.spark.util">TaskFailureListener</a>&nbsp;listener)</pre>
+<div class="block">Adds a listener to be executed on task failure.
+ Operations defined here must be idempotent, as <code>onTaskFailure</code> can 
be called multiple times.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>listener</code> 
- (undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="addTaskFailureListener(scala.Function2)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>addTaskFailureListener</h4>
+<pre>public&nbsp;<a href="../../../org/apache/spark/TaskContext.html" 
title="class in 
org.apache.spark">TaskContext</a>&nbsp;addTaskFailureListener(scala.Function2&lt;<a
 href="../../../org/apache/spark/TaskContext.html" title="class in 
org.apache.spark">TaskContext</a>,Throwable,scala.runtime.BoxedUnit&gt;&nbsp;f)</pre>
+<div class="block">Adds a listener to be executed on task failure.
+ Operations defined here must be idempotent, as <code>onTaskFailure</code> can 
be called multiple times.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>f</code> - 
(undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="stageId()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>stageId</h4>
+<pre>public abstract&nbsp;int&nbsp;stageId()</pre>
+<div class="block">The ID of the stage that this task belong to.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="stageAttemptNumber()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>stageAttemptNumber</h4>
+<pre>public abstract&nbsp;int&nbsp;stageAttemptNumber()</pre>
+<div class="block">How many times the stage that this task belongs to has been 
attempted. The first stage attempt
+ will be assigned stageAttemptNumber = 0, and subsequent attempts will have 
increasing attempt
+ numbers.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="partitionId()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>partitionId</h4>
+<pre>public abstract&nbsp;int&nbsp;partitionId()</pre>
+<div class="block">The ID of the RDD partition that is computed by this 
task.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="attemptNumber()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>attemptNumber</h4>
+<pre>public abstract&nbsp;int&nbsp;attemptNumber()</pre>
+<div class="block">How many times this task has been attempted.  The first 
task attempt will be assigned
+ attemptNumber = 0, and subsequent attempts will have increasing attempt 
numbers.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="taskAttemptId()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>taskAttemptId</h4>
+<pre>public abstract&nbsp;long&nbsp;taskAttemptId()</pre>
+<div class="block">An ID that is unique to this task attempt (within the same 
SparkContext, no two task attempts
+ will share the same attempt ID).  This is roughly equivalent to Hadoop's 
TaskAttemptID.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="getLocalProperty(java.lang.String)">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getLocalProperty</h4>
+<pre>public abstract&nbsp;String&nbsp;getLocalProperty(String&nbsp;key)</pre>
+<div class="block">Get a local property set upstream in the driver, or null if 
it is missing. See also
+ <code>org.apache.spark.SparkContext.setLocalProperty</code>.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - 
(undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+<a name="taskMetrics()">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>taskMetrics</h4>
+<pre>public 
abstract&nbsp;org.apache.spark.executor.TaskMetrics&nbsp;taskMetrics()</pre>
+</li>
+</ul>
+<a name="getMetricsSources(java.lang.String)">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>getMetricsSources</h4>
+<pre>public 
abstract&nbsp;scala.collection.Seq&lt;org.apache.spark.metrics.source.Source&gt;&nbsp;getMetricsSources(String&nbsp;sourceName)</pre>
+<div class="block">::DeveloperApi::
+ Returns all metrics sources with the given name which are associated with the 
instance
+ which runs the task. For more information see 
<code>org.apache.spark.metrics.MetricsSystem</code>.</div>
+<dl><dt><span 
class="strong">Parameters:</span></dt><dd><code>sourceName</code> - 
(undocumented)</dd>
+<dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
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+<div class="subTitle">org.apache.spark</div>
+<h2 title="Interface TaskEndReason" class="title">Interface TaskEndReason</h2>
+</div>
+<div class="contentContainer">
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Known Subinterfaces:</dt>
+<dd><a href="../../../org/apache/spark/TaskFailedReason.html" title="interface 
in org.apache.spark">TaskFailedReason</a></dd>
+</dl>
+<dl>
+<dt>All Known Implementing Classes:</dt>
+<dd><a href="../../../org/apache/spark/ExceptionFailure.html" title="class in 
org.apache.spark">ExceptionFailure</a>, <a 
href="../../../org/apache/spark/ExecutorLostFailure.html" title="class in 
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org.apache.spark">TaskCommitDenied</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public interface <span class="strong">TaskEndReason</span></pre>
+<div class="block">:: DeveloperApi ::
+ Various possible reasons why a task ended. The low-level TaskScheduler is 
supposed to retry
+ tasks several times for "ephemeral" failures, and only report back failures 
that require some
+ old stages to be resubmitted, such as shuffle map fetch failures.</div>
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http://git-wip-us.apache.org/repos/asf/spark-website/blob/3a634959/site/docs/2.1.3/api/java/org/apache/spark/TaskFailedReason.html
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+<!-- ======== START OF CLASS DATA ======== -->
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+<div class="subTitle">org.apache.spark</div>
+<h2 title="Interface TaskFailedReason" class="title">Interface 
TaskFailedReason</h2>
+</div>
+<div class="contentContainer">
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+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Superinterfaces:</dt>
+<dd><a href="../../../org/apache/spark/TaskEndReason.html" title="interface in 
org.apache.spark">TaskEndReason</a></dd>
+</dl>
+<dl>
+<dt>All Known Implementing Classes:</dt>
+<dd><a href="../../../org/apache/spark/ExceptionFailure.html" title="class in 
org.apache.spark">ExceptionFailure</a>, <a 
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href="../../../org/apache/spark/TaskCommitDenied.html" title="class in 
org.apache.spark">TaskCommitDenied</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public interface <span class="strong">TaskFailedReason</span>
+extends <a href="../../../org/apache/spark/TaskEndReason.html" 
title="interface in org.apache.spark">TaskEndReason</a></pre>
+<div class="block">:: DeveloperApi ::
+ Various possible reasons why a task failed.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
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+<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskFailedReason.html#countTowardsTaskFailures()">countTowardsTaskFailures</a></strong>()</code>
+<div class="block">Whether this task failure should be counted towards the 
maximum number of times the task is
+ allowed to fail before the stage is aborted.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>String</code></td>
+<td class="colLast"><code><strong><a 
href="../../../org/apache/spark/TaskFailedReason.html#toErrorString()">toErrorString</a></strong>()</code>
+<div class="block">Error message displayed in the web UI.</div>
+</td>
+</tr>
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+<pre>String&nbsp;toErrorString()</pre>
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+<a name="countTowardsTaskFailures()">
+<!--   -->
+</a>
+<ul class="blockListLast">
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+<h4>countTowardsTaskFailures</h4>
+<pre>boolean&nbsp;countTowardsTaskFailures()</pre>
+<div class="block">Whether this task failure should be counted towards the 
maximum number of times the task is
+ allowed to fail before the stage is aborted.  Set to false in cases where the 
task's failure
+ was unrelated to the task; for example, if the task failed because the 
executor it was running
+ on was killed.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
+</li>
+</ul>
+</li>
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