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    copied!<p>I use the <a href="http://tomcat.apache.org/tomcat-6.0-doc/jasper-howto.html" rel="nofollow noreferrer">Tomcat jasper ANT tasks</a> in my project, which precompile the JSPs into servlets and add the new servlet mappings to the original web.xml. In the DEV builds, just skip this step and deploy the JSPs without pre-compile and modification of the web.xml.</p> <pre><code> &lt;?xml version="1.0"?&gt; &lt;project name="jspc" basedir="." default="all"&gt; &lt;import file="${build.appserver.home}/bin/catalina-tasks.xml"/&gt; &lt;target name="all" depends="jspc,compile"&gt;&lt;/target&gt; &lt;target name="jspc"&gt; &lt;jasper validateXml="false" uriroot="${build.war.dir}" webXmlFragment="${build.war.dir}/WEB-INF/generated_web.xml" addWebXmlMappings="true" outputDir="${build.src.dir}" /&gt; &lt;/target&gt; &lt;target name="compile"&gt; &lt;javac destdir="${build.dir}/classes" srcdir="${build.src.dir}" optimize="on" debug="off" failonerror="true" source="1.5" target="1.5" excludes="**/*.smap"&gt; &lt;classpath&gt; &lt;fileset dir="${build.war.dir}/WEB-INF/classes"&gt; &lt;include name="*.class" /&gt; &lt;/fileset&gt; &lt;fileset dir="${build.war.lib.dir}"&gt; &lt;include name="*.jar" /&gt; &lt;/fileset&gt; &lt;fileset dir="${build.appserver.home}/lib"&gt; &lt;include name="*.jar" /&gt; &lt;/fileset&gt; &lt;fileset dir="${build.appserver.home}/bin"&gt; &lt;include name="*.jar"/&gt; &lt;/fileset&gt; &lt;/classpath&gt; &lt;include name="**" /&gt; &lt;exclude name="tags/**"/&gt; &lt;/javac&gt; &lt;/target&gt; &lt;target name="clean"&gt; &lt;delete&gt; &lt;fileset dir="${build.src.dir}"/&gt; &lt;fileset dir="${build.dir}/classes/org/apache/jsp"/&gt; &lt;/delete&gt; &lt;/target&gt; &lt;/project&gt; </code></pre> <p>If you already have the JSP compilation working and just want to merge the web.xml files, a simple XSLT could be written to add selected elements(such as the servlet mappings) from the newly generated web,xml into your original.</p>
 

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