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From vijayaratha vijayasingam <vijayara...@gmail.com>
Subject Re: How to avoid long classpath issue in windows
Date Mon, 02 Apr 2012 09:47:20 GMT
I corrected my build.xml as follows according the following doc
http://ant.apache.org/manual/Tasks/jar.html
Where I just introduced a new jar(pathing.jar) which mainly contains a
manifest file where i define all classpaths..But still i get CNF issue..
Any idea how can i overcome this issue?

    <target name="init">
        <mkdir dir="${class.dir}"/>
        <mkdir dir="./../../work/temp/sampleClient"/>
          <path id="javac.classpath">
            <pathelement path="${class.dir}"/>
            <pathelement path="../../lib"/>
            <pathelement
location="../../samples/axis2Client/pathing.jar"/>
        </path>
    </target>

 <jar destfile="pathing.jar">
  <manifest>
    <attribute name="Class-Path"
value="../../repository/components/lib/*.jar
../../repository/components/extensions/*.jar
../../repository/components/plugins/*.jar ../../lib/*.jar
../../lib/endorsed/*.jar"/>
  </manifest>
</jar>

    <target name="compile" depends="init" description="Compile all
Java">
        <javac srcdir="src" destdir="${class.dir}"
includeantruntime="false" >
            <classpath refid="javac.classpath"/>
        </javac>
    </target>


On 2 April 2012 10:39, vijayaratha vijayasingam <vijayaratha@gmail.com>wrote:

> Hi all;
> Im facing a long classpath issue in windows with my build.xml.
> If i  define the build.xml as follows[1], im getting long classpath
> issue[2]
>
> [1]<target name="init">
>         <mkdir dir="${class.dir}"/>
>         <mkdir dir="./../../work/temp/sampleClient"/>
>           <path id="javac.classpath">
>             <pathelement path="${class.dir}"/>
>             <pathelement path="../../lib"/>
>             <fileset
> dir="../../repository/components/plugins">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../lib">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../lib/endorsed">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../repository/components/extensions">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../repository/components/lib">
>                 <include name="*.jar"/>
>             </fileset>
>         </path>
>
>     </target>
>
>     <target name="compile" depends="init" description="Compile all
> Java">
>         <javac srcdir="src" destdir="${class.dir}"
> includeantruntime="false">
>             <classpath refid="javac.classpath"/>
>         </javac>
>     </target>
>
> [2}
>
> \build.xml:128: java.io.IOException: Cannot run program "C:\Program
> Files\Java\jdk1.6.0_20\jr
> \bin\java.exe": CreateProcess error=87, The parameter is incorrect
>     [java]     at org.apache.tools.ant.taskdefs.Java.fork(Java.java:798)
>     [java]     at
> org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:214)
>     [java]     at
> org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:135)
>     [java]     at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
>     [java]     at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
>     [java]     at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown
> Source)
>     [java]     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     [java]     at java.lang.reflect.Method.invoke(Method.java:597)
>     [java]     at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
>     [java]     at org.apache.tools.ant.Task.perform(Task.java:348)
>     [java]     at org.apache.tools.ant.Target.execute(Target.java:390)
>     [java]     at org.apache.tools.ant.Target.performTasks(Target.java:411)
>     [java]     at
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
>     [java]     at
> org.apache.tools.ant.Project.executeTarget(Project.java:1368)
>     [java]     at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>     [java]     at
> org.apache.tools.ant.Project.executeTargets(Project.java:1251)
>     [java]     at org.apache.tools.ant.Main.runBuild(Main.java:809)
>     [java]     at org.apache.tools.ant.Main.startAnt(Main.java:217)
>     [java]     at
> org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
>     [java]     at
> org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
>     [java] Caused by: java.io.IOException: Cannot run program "C:\Program
> Files\Java\jdk1.6.0_20\jre\bin\java.exe": CreateProcess error=87, The param
> ter is incorrect
>     [java]     at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
>     [java]     at java.lang.Runtime.exec(Runtime.java:593)
>     [java]     at
> org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Execute.java:862)
>     [java]     at
> org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:481)
>     [java]     at
> org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:495)
>     [java]     at org.apache.tools.ant.taskdefs.Java.fork(Java.java:791)
>     [java]     ... 19 more
>     [java] Caused by: java.io.IOException: CreateProcess error=87, The
> parameter is incorrect
>     [java]     at java.lang.ProcessImpl.create(Native Method)
>
>
> To avoid this in introduced a property and tried to pass that as javac
> classpath as follows[3]; But now im getting class not found exception[4]
>  I  would really appreciate any help on this long class path issue..
>
> [3]  <target name="init">
>         <mkdir dir="${class.dir}"/>
>         <mkdir dir="./../../work/temp/sampleClient"/>
>           <path id="temp.classpath">
>             <pathelement path="${class.dir}"/>
>             <pathelement path="../../lib"/>
>             <fileset
> dir="../../repository/components/plugins">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../lib">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../lib/endorsed">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../repository/components/extensions">
>                 <include name="*.jar"/>
>             </fileset>
>             <fileset dir="../../repository/components/lib">
>                 <include name="*.jar"/>
>             </fileset>
>         </path>
>  <property name="temp" refid="temp.classpath" />
>         <path id="javac.classpath">
>             <pathelement location="${temp}"/>
>         </path>
>
>     </target>
>
>     <target name="compile" depends="init" description="Compile all
> Java">
>         <javac srcdir="src" destdir="${class.dir}"
> includeantruntime="false">
>             <classpath refid="javac.classpath"/>
>         </javac>
>     </target>
>
> [4]  [java] java.lang.NoClassDefFoundError:
> samples/userguide/StockQuoteClient
>  [java] Caused by: java.lang.ClassNotFoundException:
> samples.userguide.StockQuoteClient
>  [java]     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>  [java]     at java.security.AccessController.doPrivileged(Native Method)
>  [java]     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>  [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>  [java]     at
> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>  [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>  [java] Could not find the main class:
> samples.userguide.StockQuoteClient.  Program will exit.
>  [java] Exception in thread "main"
>  [java] Java Result: 1
>
>
> Thanks
> -Ratha
>

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