278 lines
16 KiB
HTML
278 lines
16 KiB
HTML
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<!DOCTYPE html SYSTEM "about:legacy-compat">
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<html lang="en"><head><META http-equiv="Content-Type" content="text/html; charset=UTF-8"><link href="./images/docs-stylesheet.css" rel="stylesheet" type="text/css"><title>Apache Tomcat 8 (8.0.53) - Building Tomcat</title><script type="application/javascript" data-comments-identifier="tomcat-8.0-doc/building">
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</script></head><body><div id="wrapper"><header><div id="header"><div><div><div class="logo noPrint"><a href="https://tomcat.apache.org/"><img alt="Tomcat Home" src="./images/tomcat.png"></a></div><div style="height: 1px;"></div><div class="asfLogo noPrint"><a href="https://www.apache.org/" target="_blank"><img src="./images/asf-logo.svg" alt="The Apache Software Foundation" style="width: 266px; height: 83px;"></a></div><h1>Apache Tomcat 8</h1><div class="versionInfo">
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Version 8.0.53,
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<time datetime="2018-06-29">Jun 29 2018</time></div><div style="height: 1px;"></div><div style="clear: left;"></div></div></div></div></header><div id="middle"><div><div id="mainLeft" class="noprint"><div><nav><div><h2>Links</h2><ul><li><a href="index.html">Docs Home</a></li><li><a href="https://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul></div><div><h2>User Guide</h2><ul><li><a href="introduction.html">1) Introduction</a></li><li><a href="setup.html">2) Setup</a></li><li><a href="appdev/index.html">3) First webapp</a></li><li><a href="deployer-howto.html">4) Deployer</a></li><li><a href="manager-howto.html">5) Manager</a></li><li><a href="host-manager-howto.html">6) Host Manager</a></li><li><a href="realm-howto.html">7) Realms and AAA</a></li><li><a href="security-manager-howto.html">8) Security Manager</a></li><li><a href="jndi-resources-howto.html">9) JNDI Resources</a></li><li><a href="jndi-datasource-examples-howto.html">10) JDBC DataSources</a></li><li><a href="class-loader-howto.html">11) Classloading</a></li><li><a href="jasper-howto.html">12) JSPs</a></li><li><a href="ssl-howto.html">13) SSL/TLS</a></li><li><a href="ssi-howto.html">14) SSI</a></li><li><a href="cgi-howto.html">15) CGI</a></li><li><a href="proxy-howto.html">16) Proxy Support</a></li><li><a href="mbeans-descriptors-howto.html">17) MBeans Descriptors</a></li><li><a href="default-servlet.html">18) Default Servlet</a></li><li><a href="cluster-howto.html">19) Clustering</a></li><li><a href="balancer-howto.html">20) Load Balancer</a></li><li><a href="connectors.html">21) Connectors</a></li><li><a href="monitoring.html">22) Monitoring and Management</a></li><li><a href="logging.html">23) Logging</a></li><li><a href="apr.html">24) APR/Native</a></li><li><a href="virtual-hosting-howto.html">25) Virtual Hosting</a></li><li><a href="aio.html">26) Advanced IO</a></li><li><a href="extras.html">27) Additional Components</a></li><li><a href="maven-jars.html">28) Mavenized</a></li><li><a href="security-howto.html">29) Security Considerations</a></li><li><a href="windows-service-howto.html">30) Windows Service</a></li><li><a href="windows-auth-howto.html">31) Windows Authentication</a></li><li><a href="jdbc-pool.html">32) Tomcat's JDBC Pool</a></li><li><a href="web-socket-howto.html">33) WebSocket</a></li><li><a href="rewrite.html">34) Rewrite</a></li></ul></div><div><h2>Reference</h2><ul><li><a href="RELEASE-NOTES.txt">Release Notes</a></li><li><a href="config/index.html">Configuration</a></li><li><a href="api/index.html">Tomcat Javadocs</a></li><li><a href="servletapi/index.html">Servlet Javadocs</a></li><li><a href="jspapi/index.html">JSP 2.3 Javadocs</a></li><li><a href="elapi/index.html">EL 3.0 Javadocs</a></li><li><a href="websocketapi/index.html">WebSocket 1.1 Javadocs</a></li><li><a href="https://tomcat.apache.org/connectors-doc/">JK 1.2 Documentation</a></li></ul></div><div><h2>Apache Tomcat Development</h2><ul><li><a href="building.html">Building</a></li><li><a href="changelog.html">Changelog</a></li><li><a href="https://wiki.apache.org/tomcat/TomcatVersions">Status</a></li><li><a href="developers.html">Developers</a></li><li><a href="architecture/index.html">Architecture</a></li><li><a href="funcspecs/index.html">Functional Specs.</a></li><li><a href="tribes/introduction.html">Tribes</a></li></ul></div></nav></div></div><div id="mainRight"><div id="content"><h2>Building Tomcat</h2><h3 id="Table_of_Contents">Table of Contents</h3><div class="text">
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<ul><li><a href="#Introduction">Introduction</a></li><li><a href="#Download_a_Java_Development_Kit_(JDK)_version_7">Download a Java Development Kit (JDK) version 7</a></li><li><a href="#Install_Apache_Ant_1.9.8_or_later">Install Apache Ant 1.9.8 or later</a></li><li><a href="#Checkout_or_obtain_the_Tomcat_source_code">Checkout or obtain the Tomcat source code</a></li><li><a href="#Configure_download_area">Configure download area</a></li><li><a href="#Building_Tomcat">Building Tomcat</a></li><li><a href="#Building_with_Eclipse">Building with Eclipse</a></li><li><a href="#Building_with_other_IDEs">Building with other IDEs</a></li></ul>
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</div><h3 id="Introduction">Introduction</h3><div class="text">
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<p>
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Building Apache Tomcat from source is very easy, and is the first step to
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contributing to Tomcat. The complete and comprehensive instructions are
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provided in the file <a href="BUILDING.txt">BUILDING.txt</a>.
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The following is a quick step by step guide.
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</p>
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</div><h3 id="Download_a_Java_Development_Kit_(JDK)_version_7">Download a Java Development Kit (JDK) version 7</h3><div class="text">
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<p>
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Building Apache Tomcat requires a JDK (version 7) to be installed. You can download one from<br>
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<a href="http://www.oracle.com/technetwork/java/javase/downloads/index.html">http://www.oracle.com/technetwork/java/javase/downloads/index.html</a><br>
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<a href="http://openjdk.java.net/install/index.html">http://openjdk.java.net/install/index.html</a><br>
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or another JDK vendor.
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</p>
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<p>
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<b>IMPORTANT</b>: Set an environment variable JAVA_HOME to the pathname of the
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directory into which you installed the JDK release.
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</p>
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</div><h3 id="Install_Apache_Ant_1.9.8_or_later">Install Apache Ant 1.9.8 or later</h3><div class="text">
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<p>
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Download a binary distribution of Ant 1.9.8 or later from
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<a href="https://ant.apache.org/bindownload.cgi">here</a>.
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</p>
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<p>
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Unpack the binary distribution into a convenient location so that the
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Ant release resides in its own directory (conventionally named
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<code>apache-ant-1.9.x</code>). For the remainder of this guide,
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the symbolic name <code>${ant.home}</code> is used to refer to the full pathname of
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the Ant installation directory.
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</p>
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<p>
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<b>IMPORTANT</b>: Create an ANT_HOME environment variable to point the directory <code>${ant.home}</code>,
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and modify the PATH environment variable to include directory
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<code>${ant.home}/bin</code> in its list. This makes the <code>ant</code> command line script
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available, which will be used to actually perform the build.
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</p>
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</div><h3 id="Checkout_or_obtain_the_Tomcat_source_code">Checkout or obtain the Tomcat source code</h3><div class="text">
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<p>
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Tomcat SVN repository URL:
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<a href="https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk/">https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk/</a>
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</p>
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<p>
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Tomcat source packages:
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<a href="https://tomcat.apache.org/download-80.cgi">https://tomcat.apache.org/download-80.cgi</a>.
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</p>
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<p>
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Checkout the source using SVN, selecting a tag for released version or
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trunk for the current development code, or download and unpack a
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source package. For the remainder of this guide, the symbolic name
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<code>${tomcat.source}</code> is used to refer to the
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location where the source has been placed.
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</p>
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</div><h3 id="Configure_download_area">Configure download area</h3><div class="text">
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<p>
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Building Tomcat involves downloading a number of libraries that it depends on.
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It is strongly recommended to configure download area for those libraries.
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</p>
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<p>
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By default the build is configured to download the dependencies into the
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<code>${user.home}/tomcat-build-libs</code> directory. You can change this
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(see below) but it must be an absolute path.
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</p>
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<p>
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The build is controlled by creating a
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<code>${tomcat.source}/build.properties</code> file. It can be used to
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redefine any property that is present in <code>build.properties.default</code>
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and <code>build.xml</code> files. The <code>build.properties</code> file
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does not exist by default. You have to create it.
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</p>
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<p>
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The download area is defined by property <code>base.path</code>. For example:
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</p>
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<div class="codeBox"><pre><code># ----- Default Base Path for Dependent Packages -----
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# Replace this path with the directory path where
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# dependencies binaries should be downloaded.
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base.path=/home/me/some-place-to-download-to</code></pre></div>
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<p>
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Different versions of Tomcat are allowed to share the same download area.
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</p>
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<p>
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Another example:
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</p>
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<div class="codeBox"><pre><code>base.path=${user.dir}/../libraries-tomcat8.0</code></pre></div>
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<p>
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Users who access the Internet through a proxy must use the properties
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file to indicate to Ant the proxy configuration:
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</p>
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<div class="codeBox"><pre><code># ----- Proxy setup -----
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proxy.host=proxy.domain
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proxy.port=8080
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proxy.use=on</code></pre></div>
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</div><h3 id="Building_Tomcat">Building Tomcat</h3><div class="text">
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<p>
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Use the following commands to build Tomcat:
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</p>
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<p>
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<code>cd ${tomcat.source}</code><br>
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<code>ant</code>
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</p>
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<p>
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Once the build has completed successfully, a usable Tomcat installation will have been
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produced in the <code>${tomcat.source}/output/build</code> directory, and can be started
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and stopped with the usual scripts.
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</p>
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</div><h3 id="Building_with_Eclipse">Building with Eclipse</h3><div class="text">
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<p>
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<b>IMPORTANT:</b> This is not a supported means of building Tomcat; this information is
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provided without warranty :-).
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The only supported means of building Tomcat is with the Ant build described above.
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However, some developers like to work on Java code with a Java IDE,
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and the following steps have been used by some developers.
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</p>
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<p>
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<b>NOTE:</b> This will not let you build everything under Eclipse;
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the build process requires use of Ant for the many stages that aren't
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simple Java compilations.
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However, it will allow you to view and edit the Java code,
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get warnings, reformat code, perform refactorings, run Tomcat
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under the IDE, and so on.
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</p>
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<p>
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<b>WARNING:</b> Do not forget to create and configure
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<code>${tomcat.source}/build.properties</code> file as described above
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before running any Ant targets.
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</p>
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<p>
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Sample Eclipse project files and launch targets are provided in the
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<code>res/ide-support/eclipse</code> directory of the source tree.
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The instructions below will automatically copy these into the required locations.
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</p>
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<p>
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An Ant target is provided as a convenience to download all binary dependencies, and to create
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the Eclipse project and classpath files in the root of the source tree.
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</p>
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<p>
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<code>cd ${tomcat.source}</code><br>
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<code>ant ide-eclipse</code>
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</p>
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<p>
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Start Eclipse and create a new Workspace.
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</p>
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<p>
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Open the <em>Preferences</em> dialog and then select <em>Java->Build Path->Classpath
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Variables</em> to add two new <em>Classpath Variables</em>:
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</p>
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<table class="defaultTable">
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<tr><td>TOMCAT_LIBS_BASE</td><td>The same location as the <code>base.path</code>
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setting in <code>build.properties</code>, where the binary dependencies have been downloaded</td></tr>
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<tr><td>ANT_HOME</td><td>the base path of Ant 1.9.8 or later</td></tr>
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</table>
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<p>
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Use <em>File->Import</em> and choose <em>Existing Projects into Workspace</em>.
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From there choose the root directory of the Tomcat source tree (<code>${tomcat.source}</code>)
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and import the Tomcat project located there.
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</p>
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<p>
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<code>start-tomcat</code> and <code>stop-tomcat</code> launch configurations are provided in
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<code>res/ide-support/eclipse</code> and will be available in the <em>Run->Run Configurations</em>
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dialog. Use these to start and stop Tomcat from Eclipse.
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If you want to configure these yourself (or are using a different IDE)
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then use <code>org.apache.catalina.startup.Bootstrap</code> as the main class,
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<code>start</code>/<code>stop</code> etc. as program arguments, and specify <code>-Dcatalina.home=...</code>
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(with the name of your build directory) as VM arguments.
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</p>
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<p>
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Tweaking a few formatting preferences will make it much easier to keep consistent with Tomcat
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coding conventions (and have your contributions accepted):
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</p>
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<table class="defaultTable">
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<tr><td>Java -> Code Style -> Formatter -> Edit...</td>
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<td>Tab policy: Spaces only<br>Tab and Indentation size: 4</td></tr>
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<tr><td>General -> Editors -> Text Editors</td>
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<td>Displayed tab width: 2<br>Insert spaces for tabs<br>Show whitespace characters (optional)</td></tr>
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<tr><td>XML -> XML Files -> Editor</td><td>Indent using spaces<br>Indentation size: 2</td></tr>
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<tr><td>Ant -> Editor -> Formatter</td><td>Tab size: 2<br>Use tab character instead of spaces: unchecked</td></tr>
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</table>
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<p>
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The recommended configuration of Compiler Warnings is documented in
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<code>res/ide-support/eclipse/java-compiler-errors-warnings.txt</code> file.
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</p>
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</div><h3 id="Building_with_other_IDEs">Building with other IDEs</h3><div class="text">
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<p>
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The same general approach should work for most IDEs; it has been reported
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to work in IntelliJ IDEA, for example.
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</p>
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</div><div class="noprint"><h3 id="comments_section">
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Comments
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</h3><div class="text"><p class="notice"><strong>Notice: </strong>This comments section collects your suggestions
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on improving documentation for Apache Tomcat.<br><br>
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If you have trouble and need help, read
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