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| <div class="subTitle">org.apache.hadoop.lib.servlet</div> |
| <h2 title="Class ServerWebApp" class="title">Class ServerWebApp</h2> |
| </div> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">org.apache.hadoop.lib.server.Server</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.hadoop.lib.servlet.ServerWebApp</li> |
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| <div class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/EventListener.html?is-external=true" title="class or interface in java.util">EventListener</a>, javax.servlet.ServletContextListener</dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/fs/http/server/HttpFSServerWebApp.html" title="class in org.apache.hadoop.fs.http.server">HttpFSServerWebApp</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Private |
| public abstract class <span class="typeNameLabel">ServerWebApp</span> |
| extends <a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</a> |
| implements javax.servlet.ServletContextListener</pre> |
| <div class="block"><a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server"><code>Server</code></a> subclass that implements <code>ServletContextListener</code> |
| and uses its lifecycle to start and stop the server.</div> |
| </li> |
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| </a> |
| <h3>Nested classes/interfaces inherited from class org.apache.hadoop.lib.server.<a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/lib/server/Server.Status.html" title="enum in org.apache.hadoop.lib.server">Server.Status</a></code></li> |
| </ul> |
| </li> |
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| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <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/lib/servlet/ServerWebApp.html#SSL_ENABLED">SSL_ENABLED</a></span></code> </td> |
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| <h3>Fields inherited from class org.apache.hadoop.lib.server.<a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_SERVICES">CONF_SERVICES</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_SERVICES_EXT">CONF_SERVICES_EXT</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#CONF_STARTUP_STATUS">CONF_STARTUP_STATUS</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#DEFAULT_LOG4J_PROPERTIES">DEFAULT_LOG4J_PROPERTIES</a></code></li> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colLast" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code> </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp-java.lang.String-">ServerWebApp</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> name)</code> |
| <div class="block">Constructor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp-java.lang.String-java.lang.String-org.apache.hadoop.conf.Configuration-">ServerWebApp</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> name, |
| <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> homeDir, |
| org.apache.hadoop.conf.Configuration config)</code> |
| <div class="block">Constructor for testing purposes.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#ServerWebApp-java.lang.String-java.lang.String-java.lang.String-java.lang.String-java.lang.String-org.apache.hadoop.conf.Configuration-">ServerWebApp</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> name, |
| <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> homeDir, |
| <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> configDir, |
| <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> logDir, |
| <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> tempDir, |
| org.apache.hadoop.conf.Configuration config)</code> |
| <div class="block">Constructor for testing purposes.</div> |
| </td> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#contextDestroyed-javax.servlet.ServletContextEvent-">contextDestroyed</a></span>(javax.servlet.ServletContextEvent event)</code> |
| <div class="block">Destroys the <code>ServletContextListener</code> which destroys |
| the Server.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#contextInitialized-javax.servlet.ServletContextEvent-">contextInitialized</a></span>(javax.servlet.ServletContextEvent event)</code> |
| <div class="block">Initializes the <code>ServletContextListener</code> which initializes |
| the Server.</div> |
| </td> |
| </tr> |
| <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/lib/servlet/ServerWebApp.html#getAuthority--">getAuthority</a></span>()</code> |
| <div class="block">Returns the hostname:port InetSocketAddress the webserver is listening to.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#isSslEnabled--">isSslEnabled</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected <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/lib/servlet/ServerWebApp.html#resolveAuthority--">resolveAuthority</a></span>()</code> |
| <div class="block">Resolves the host and port InetSocketAddress the |
| web server is listening to.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#setAuthority-java.net.InetSocketAddress-">setAuthority</a></span>(<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> authority)</code> |
| <div class="block">Sets an alternate hostname:port InetSocketAddress to use.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/lib/servlet/ServerWebApp.html#setHomeDirForCurrentThread-java.lang.String-">setHomeDirForCurrentThread</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> homeDir)</code> |
| <div class="block">Method for testing purposes.</div> |
| </td> |
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| <h3>Methods inherited from class org.apache.hadoop.lib.server.<a href="../../../../../org/apache/hadoop/lib/server/Server.html" title="class in org.apache.hadoop.lib.server">Server</a></h3> |
| <code><a href="../../../../../org/apache/hadoop/lib/server/Server.html#checkServiceDependencies-org.apache.hadoop.lib.server.Service-">checkServiceDependencies</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#destroy--">destroy</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#destroyServices--">destroyServices</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#ensureOperational--">ensureOperational</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#get-java.lang.Class-">get</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getConfig--">getConfig</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getConfigDir--">getConfigDir</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getHomeDir--">getHomeDir</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getLogDir--">getLogDir</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getName--">getName</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getPrefix--">getPrefix</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getPrefixedName-java.lang.String-">getPrefixedName</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getStatus--">getStatus</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#getTempDir--">getTempDir</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#init--">init</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#initConfig--">initConfig</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#initLog--">initLog</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#initServices-java.util.List-">initServices</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#loadServices--">loadServices</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#setService-java.lang.Class-">setService</a>, <a href="../../../../../org/apache/hadoop/lib/server/Server.html#setStatus-org.apache.hadoop.lib.server.Server.Status-">setStatus</a></code></li> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h4>SSL_ENABLED</h4> |
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| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.hadoop.lib.servlet.ServerWebApp.SSL_ENABLED">Constant Field Values</a></dd> |
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| <h4>ServerWebApp</h4> |
| <pre>protected ServerWebApp(<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> name, |
| <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> homeDir, |
| <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> configDir, |
| <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> logDir, |
| <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> tempDir, |
| org.apache.hadoop.conf.Configuration config)</pre> |
| <div class="block">Constructor for testing purposes.</div> |
| </li> |
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| <h4>ServerWebApp</h4> |
| <pre>protected ServerWebApp(<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> name, |
| <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> homeDir, |
| org.apache.hadoop.conf.Configuration config)</pre> |
| <div class="block">Constructor for testing purposes.</div> |
| </li> |
| </ul> |
| <a name="ServerWebApp-java.lang.String-"> |
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| </a> |
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| <h4>ServerWebApp</h4> |
| <pre>public ServerWebApp(<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> name)</pre> |
| <div class="block">Constructor. Subclasses must have a default constructor specifying |
| the server name. |
| <p> |
| The server name is used to resolve the Java System properties that define |
| the server home, config, log and temp directories. |
| <p> |
| The home directory is looked in the Java System property |
| <code>#SERVER_NAME#.home.dir</code>. |
| <p> |
| The config directory is looked in the Java System property |
| <code>#SERVER_NAME#.config.dir</code>, if not defined it resolves to |
| the <code>#SERVER_HOME_DIR#/conf</code> directory. |
| <p> |
| The log directory is looked in the Java System property |
| <code>#SERVER_NAME#.log.dir</code>, if not defined it resolves to |
| the <code>#SERVER_HOME_DIR#/log</code> directory. |
| <p> |
| The temp directory is looked in the Java System property |
| <code>#SERVER_NAME#.temp.dir</code>, if not defined it resolves to |
| the <code>#SERVER_HOME_DIR#/temp</code> directory.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - server name.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
| <a name="setHomeDirForCurrentThread-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setHomeDirForCurrentThread</h4> |
| <pre>public static void setHomeDirForCurrentThread(<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> homeDir)</pre> |
| <div class="block">Method for testing purposes.</div> |
| </li> |
| </ul> |
| <a name="contextInitialized-javax.servlet.ServletContextEvent-"> |
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| </a> |
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| <h4>contextInitialized</h4> |
| <pre>public void contextInitialized(javax.servlet.ServletContextEvent event)</pre> |
| <div class="block">Initializes the <code>ServletContextListener</code> which initializes |
| the Server.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>contextInitialized</code> in interface <code>javax.servlet.ServletContextListener</code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>event</code> - servelt context event.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="resolveAuthority--"> |
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| </a> |
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| <h4>resolveAuthority</h4> |
| <pre>protected <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> resolveAuthority() |
| throws <a href="../../../../../org/apache/hadoop/lib/server/ServerException.html" title="class in org.apache.hadoop.lib.server">ServerException</a></pre> |
| <div class="block">Resolves the host and port InetSocketAddress the |
| web server is listening to. |
| <p> |
| This implementation looks for the following 2 properties: |
| <ul> |
| <li>#SERVER_NAME#.http.hostname</li> |
| <li>#SERVER_NAME#.http.port</li> |
| </ul></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the host and port InetSocketAddress the |
| web server is listening to.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/lib/server/ServerException.html" title="class in org.apache.hadoop.lib.server">ServerException</a></code> - thrown |
| if any of the above 2 properties is not defined.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>contextDestroyed</h4> |
| <pre>public void contextDestroyed(javax.servlet.ServletContextEvent event)</pre> |
| <div class="block">Destroys the <code>ServletContextListener</code> which destroys |
| the Server.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code>contextDestroyed</code> in interface <code>javax.servlet.ServletContextListener</code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>event</code> - servelt context event.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getAuthority--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getAuthority</h4> |
| <pre>public <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> getAuthority() |
| throws <a href="../../../../../org/apache/hadoop/lib/server/ServerException.html" title="class in org.apache.hadoop.lib.server">ServerException</a></pre> |
| <div class="block">Returns the hostname:port InetSocketAddress the webserver is listening to.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the hostname:port InetSocketAddress the webserver is listening to.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/lib/server/ServerException.html" title="class in org.apache.hadoop.lib.server">ServerException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>setAuthority</h4> |
| <pre>public void setAuthority(<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> authority)</pre> |
| <div class="block">Sets an alternate hostname:port InetSocketAddress to use. |
| <p> |
| For testing purposes.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>authority</code> - alterante authority.</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>isSslEnabled</h4> |
| <pre>public boolean isSslEnabled()</pre> |
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