precompilation od JSP

[SELVAN Madhaiyan]

Dear all,

 

I'm new to the maven. When I doing JSP precompilation process in
maven.xml the following scripts I have used. But I get the error class
cast exception .

 

How to solve this problem. can any one help me.? Thanks.

 

 

<goal name="precompile-jsp" description="Precompile all JSPs into java
classes, and then into classes" prereqs="java:compile">

 

 <maven:set value="warSource" property="${maven.war.src}"
plugin="maven-war-plugin" />

 

  <ant:mkdir dir="${maven.build.dir}/jspc"/>

  <ant:mkdir dir="${maven.build.dir}/jspc-processed"/>

  <ant:mkdir dir="${maven.build.dir}/jspc-classes"/>

 

  <j:set var="jspOutDir" value="${maven.build.dir}/jspc"/>

  <j:set var="jspClassesOutDir" value="${maven.build.dest}"/>

 

  <ant:path id="jspc.classpath">

    <ant:pathelement
location="${maven.tomcat.home}/common/lib/jasper-runtime.jar"/>

    <ant:pathelement
location="${maven.tomcat.home}/common/lib/jasper-compiler.jar"/>

    <ant:pathelement
location="${maven.tomcat.home}/common/lib/servlet.jar"/>

            <ant:pathelement
location="${maven.tomcat.home}/common/lib/servlet-api.jar"/>

            <ant:pathelement
location="${maven.tomcat.home}/common/lib/jsp-api.jar"/>

            <ant:path refid="maven.dependency.classpath"/>

    <ant:pathelement path="${maven.build.dest}"/>

  </ant:path>

  

 

<ant:taskdef classname="org.apache.jasper.JspC" name="jasper2" >

      <ant:classpath>

          <ant:pathelement
location="${maven.java.home}/../lib/tools.jar"/>

          <ant:fileset dir="${ENV.CATALINA_HOME}/server/lib">

              <vinclude name="*.jar"/>

          </ant:fileset>

          <ant:fileset dir="${ENV.CATALINA_HOME}/common/lib">

              <ant:include name="*.jar"/>

          </ant:fileset>

          <ant:path refid="jspc.classpath"/>

       </ant:classpath>

  </ant:taskdef>

 

  <ant:jasper2 verbose="0"

           package="my.package"

           uriroot="${maven.webapp.path}/${maven.webapp.name}"

           webXmlFragment="${maven.build.dir}/generated_web.xml"

 
outputDir="${maven.webapp.path}/${maven.webapp.name}/WEB-INF/src/my/pack
age" />

 

 

<!--  <ant:jasper2

    webXmlFragment="${maven.build.dir}/web-fragment.xml"

    package="${pom.package}.jsp.${pom.artifactId}"

    outputDir="${jspOutDir}"

    srcdir="${warSource}"

    uriroot="${warSource}"

    uribase="${pom.artifactId}"

    verbose="2"> 

  </ant:jasper2>

 

 

<ant:jasper2

      package="${pom.package}.jsp"

      destDir="${maven.war.src}"

      uriroot="${maven.war.src}"

      srcdir="${maven.war.src}"

      classpathref="jspc.classpath">

      <ant:include name="**/*.jsp"/>

      <ant:exclude name="**/includes/**/*.jsp"/>

</ant:jasper2>

-->

 

  <ant:javac

    srcdir="${jspOutDir}"

    destdir="${jspClassesOutDir}"

    debug="${maven.compile.debug}"

    deprecation="${maven.compile.deprecation}"

    optimize="${maven.compile.optimize}"

    classpathref="jspc.classpath">

  </ant:javac>

 

</goal>

 

 

 

When I executing the above script I'm getting the class cast exception.

 

 

precompile-jsp:

    [mkdir] Created dir: D:\Maven1.0.2\bin\target\jspc

    [mkdir] Created dir: D:\Maven1.0.2\bin\target\jspc-processed

    [mkdir] Created dir: D:\Maven1.0.2\bin\target\jspc-classes

    [jasper2] [ERROR] Error in class org.apache.jasper.JspC

 

BUILD FAILED

File...... D:\Maven1.0.2\bin\maven.xml

Element... ant:jasper2

Line...... 96

Column.... 91

java.lang.ClassCastException

Total time: 3 seconds

Finished at: Thu Aug 11 18:58:25 GMT+05:30 2005

 

 

 

 

If anyone knows pls reply.

Confidentiality Statement:

This message is intended only for the individual or entity to which it is 
addressed. It may contain privileged, confidential information which is exempt 
from disclosure under applicable laws. If you are not the intended recipient, 
please note that you are strictly prohibited from disseminating or distributing 
this information (other than to the intended recipient) or copying this 
information. If you have received this communication in error, please notify us 
immediately by return email.