blob: bc0b88c85178787a4516ce081b714e13530e0320 [file] [log] [blame]
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<div class="subTitle">org.apache.hadoop.yarn.server.webapp</div>
<h2 title="Class LogServlet" class="title">Class LogServlet</h2>
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<li>org.apache.hadoop.conf.Configured</li>
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<li>org.apache.hadoop.yarn.server.webapp.LogServlet</li>
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<pre>public class <span class="typeNameLabel">LogServlet</span>
extends org.apache.hadoop.conf.Configured</pre>
<div class="block">Extracts aggregated logs and related information.
Used by various WebServices (AHS, ATS).</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#LogServlet-org.apache.hadoop.conf.Configuration-org.apache.hadoop.yarn.server.webapp.AppInfoProvider-">LogServlet</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../../org/apache/hadoop/yarn/server/webapp/AppInfoProvider.html" title="interface in org.apache.hadoop.yarn.server.webapp">AppInfoProvider</a>&nbsp;appInfoProvider)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/server/webapp/WrappedLogMetaRequest.Builder.html" title="class in org.apache.hadoop.yarn.server.webapp">WrappedLogMetaRequest.Builder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#createRequestFromContainerId-java.lang.String-">createRequestFromContainerId</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>javax.ws.rs.core.Response</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#getContainerLogsInfo-javax.servlet.http.HttpServletRequest-org.apache.hadoop.yarn.server.webapp.WrappedLogMetaRequest.Builder-java.lang.String-boolean-java.lang.String-boolean-">getContainerLogsInfo</a></span>(javax.servlet.http.HttpServletRequest&nbsp;req,
<a href="../../../../../../org/apache/hadoop/yarn/server/webapp/WrappedLogMetaRequest.Builder.html" title="class in org.apache.hadoop.yarn.server.webapp">WrappedLogMetaRequest.Builder</a>&nbsp;builder,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;clusterId,
boolean&nbsp;manualRedirection)</code>
<div class="block">Returns information about the logs for a specific container.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>javax.ws.rs.core.Response</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#getLogFile-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-java.lang.String-boolean-">getLogFile</a></span>(javax.servlet.http.HttpServletRequest&nbsp;req,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;format,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;size,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;clusterId,
boolean&nbsp;manualRedirection)</code>
<div class="block">Returns an aggregated log file belonging to a container.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>javax.ws.rs.core.Response</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#getLogsInfo-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-boolean-">getLogsInfo</a></span>(javax.servlet.http.HttpServletRequest&nbsp;hsr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appAttemptIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
boolean&nbsp;manualRedirection)</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html#getNMWebAddressFromRM-java.lang.String-">getNMWebAddressFromRM</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodeId)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.conf.Configured</h3>
<code>getConf, setConf</code></li>
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<h3>Constructor Detail</h3>
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<h4>LogServlet</h4>
<pre>public&nbsp;LogServlet(org.apache.hadoop.conf.Configuration&nbsp;conf,
<a href="../../../../../../org/apache/hadoop/yarn/server/webapp/AppInfoProvider.html" title="interface in org.apache.hadoop.yarn.server.webapp">AppInfoProvider</a>&nbsp;appInfoProvider)</pre>
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<h4>getNMWebAddressFromRM</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;getNMWebAddressFromRM(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nodeId)
throws com.sun.jersey.api.client.ClientHandlerException,
com.sun.jersey.api.client.UniformInterfaceException,
org.codehaus.jettison.json.JSONException</pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>com.sun.jersey.api.client.ClientHandlerException</code></dd>
<dd><code>com.sun.jersey.api.client.UniformInterfaceException</code></dd>
<dd><code>org.codehaus.jettison.json.JSONException</code></dd>
</dl>
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<a name="getLogsInfo-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-boolean-">
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<h4>getLogsInfo</h4>
<pre>public&nbsp;javax.ws.rs.core.Response&nbsp;getLogsInfo(javax.servlet.http.HttpServletRequest&nbsp;hsr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;appAttemptIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
boolean&nbsp;manualRedirection)</pre>
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<a name="getContainerLogsInfo-javax.servlet.http.HttpServletRequest-org.apache.hadoop.yarn.server.webapp.WrappedLogMetaRequest.Builder-java.lang.String-boolean-java.lang.String-boolean-">
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<h4>getContainerLogsInfo</h4>
<pre>public&nbsp;javax.ws.rs.core.Response&nbsp;getContainerLogsInfo(javax.servlet.http.HttpServletRequest&nbsp;req,
<a href="../../../../../../org/apache/hadoop/yarn/server/webapp/WrappedLogMetaRequest.Builder.html" title="class in org.apache.hadoop.yarn.server.webapp">WrappedLogMetaRequest.Builder</a>&nbsp;builder,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;clusterId,
boolean&nbsp;manualRedirection)</pre>
<div class="block">Returns information about the logs for a specific container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>req</code> - the <code>HttpServletRequest</code></dd>
<dd><code>builder</code> - builder instance for the log meta request</dd>
<dd><code>nmId</code> - NodeManager id</dd>
<dd><code>redirectedFromNode</code> - whether the request was redirected</dd>
<dd><code>clusterId</code> - the id of the cluster</dd>
<dd><code>manualRedirection</code> - whether to return a response with a Location
instead of an automatic redirection</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>Response</code> object containing information about the logs</dd>
</dl>
</li>
</ul>
<a name="getLogFile-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-boolean-java.lang.String-boolean-">
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<h4>getLogFile</h4>
<pre>public&nbsp;javax.ws.rs.core.Response&nbsp;getLogFile(javax.servlet.http.HttpServletRequest&nbsp;req,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;filename,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;format,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;size,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;nmId,
boolean&nbsp;redirectedFromNode,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;clusterId,
boolean&nbsp;manualRedirection)</pre>
<div class="block">Returns an aggregated log file belonging to a container.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>req</code> - the <code>HttpServletRequest</code></dd>
<dd><code>containerIdStr</code> - container id</dd>
<dd><code>filename</code> - the name of the file</dd>
<dd><code>format</code> - the format of the response</dd>
<dd><code>size</code> - the size of bytes of the log file that should be returned</dd>
<dd><code>nmId</code> - NodeManager id</dd>
<dd><code>redirectedFromNode</code> - whether the request was redirected</dd>
<dd><code>clusterId</code> - the id of the cluster</dd>
<dd><code>manualRedirection</code> - whether to return a response with a Location
instead of an automatic redirection</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>Response</code> object containing information about the logs</dd>
</dl>
</li>
</ul>
<a name="createRequestFromContainerId-java.lang.String-">
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<h4>createRequestFromContainerId</h4>
<pre>public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/server/webapp/WrappedLogMetaRequest.Builder.html" title="class in org.apache.hadoop.yarn.server.webapp">WrappedLogMetaRequest.Builder</a>&nbsp;createRequestFromContainerId(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;containerIdStr)</pre>
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