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| <div class="subTitle">org.apache.ignite.startup.servlet</div> |
| <h2 title="Class ServletStartup" class="title">Class ServletStartup</h2> |
| </div> |
| <div class="contentContainer"> |
| <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>javax.servlet.GenericServlet</li> |
| <li> |
| <ul class="inheritance"> |
| <li>javax.servlet.http.HttpServlet</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.ignite.startup.servlet.ServletStartup</li> |
| </ul> |
| </li> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, javax.servlet.Servlet, javax.servlet.ServletConfig</dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">ServletStartup</span> |
| extends javax.servlet.http.HttpServlet</pre> |
| <div class="block">This class defines servlet-based Ignite startup. This startup can be used to start Ignite |
| inside any web container as servlet. |
| <p> |
| This startup must be defined in <code>web.xml</code> file. |
| <pre name="code" class="xml"> |
| <servlet> |
| <servlet-name>Ignite</servlet-name> |
| <servlet-class>org.apache.ignite.startup.servlet.ServletStartup</servlet-class> |
| <init-param> |
| <param-name>cfgFilePath</param-name> |
| <param-value>config/default-config.xml</param-value> |
| </init-param> |
| <load-on-startup>1</load-on-startup> |
| </servlet> |
| </pre> |
| <p> |
| Servlet-based startup may be used in any web container like Tomcat, Jetty and etc. |
| Depending on the way this startup is deployed the Ignite instance can be accessed |
| by either all web applications or by only one. See web container class loading architecture: |
| <ul> |
| <li><a target=_blank href=" |
| http://tomcat.apache.org/tomcat-7.0-doc/class-loader-howto.html">http://tomcat.apache.org/tomcat-7.0-doc/class-loader-howto.html</a></li> |
| <li><a target=_blank href=" |
| http://docs.codehaus.org/display/JETTY/Classloading">http://docs.codehaus.org/display/JETTY/Classloading</a></li> |
| </ul> |
| <p> |
| <h2 class="header">Tomcat</h2> |
| There are two ways to start Ignite on Tomcat. |
| <ul> |
| <li>Ignite started when web container starts and Ignite instance is accessible only to all web applications. |
| <ol> |
| <li>Add Ignite libraries in Tomcat common loader. |
| Add in file <code>$TOMCAT_HOME/conf/catalina.properties</code> for property <code>shared.loader</code> |
| the following <code>$IGNITE_HOME/ignite.jar,$IGNITE_HOME/libs/*.jar</code> |
| (replace <code>$IGNITE_HOME</code> with absolute path). |
| </li> |
| <li>Configure startup in <code>$TOMCAT_HOME/conf/web.xml</code> |
| <pre name="code" class="xml"> |
| <servlet> |
| <servlet-name>Ignite</servlet-name> |
| <servlet-class>org.apache.ignite.startup.servlet.ServletStartup</servlet-class> |
| <init-param> |
| <param-name>cfgFilePath</param-name> |
| <param-value>config/default-config.xml</param-value> |
| </init-param> |
| <load-on-startup>1</load-on-startup> |
| </servlet> |
| </pre> |
| </li> |
| </ol> |
| </li> |
| <li> |
| Ignite started from WAR-file and Ignite instance is accessible only to that web application. |
| Difference with approach described above is that <code>web.xml</code> file and all libraries should |
| be added in WAR file without changes in Tomcat configuration files. |
| </li> |
| </ul> |
| <p> |
| <h2 class="header">Jetty</h2> |
| Below is Java code example with Jetty API: |
| <pre name="code" class="java"> |
| Server service = new Server(); |
| |
| service.addListener("localhost:8090"); |
| |
| ServletHttpContext ctx = (ServletHttpContext)service.getContext("/"); |
| |
| ServletHolder servlet = ctx.addServlet("Ignite", "/IgniteStartup", |
| "org.apache.ignite.startup.servlet.ServletStartup"); |
| |
| servlet.setInitParameter("cfgFilePath", "config/default-config.xml"); |
| |
| servlet.setInitOrder(1); |
| |
| servlet.start(); |
| |
| service.start(); |
| </pre></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../serialized-form.html#org.apache.ignite.startup.servlet.ServletStartup">Serialized Form</a></dd> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/startup/servlet/ServletStartup.html#destroy--">destroy</a></span>()</code></td> |
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| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/startup/servlet/ServletStartup.html#init--">init</a></span>()</code></td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/ignite/startup/servlet/ServletStartup.html#toString--">toString</a></span>()</code></td> |
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| </a> |
| <h3>Methods inherited from class javax.servlet.http.HttpServlet</h3> |
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| <h3>Methods inherited from class javax.servlet.GenericServlet</h3> |
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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#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>ServletStartup</h4> |
| <pre>public ServletStartup()</pre> |
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| <pre>public void init() |
| throws javax.servlet.ServletException</pre> |
| <dl> |
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| <dd><code>init</code> in class <code>javax.servlet.GenericServlet</code></dd> |
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| <pre>public void destroy()</pre> |
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| <dd><code>destroy</code> in interface <code>javax.servlet.Servlet</code></dd> |
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| <pre>public <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> toString()</pre> |
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| <p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2021 Copyright © Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Database and Caching Platform</b> </td> <td>: ver. <strong>2.11.1</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: December 20 2021 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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