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POJava - Ant build (Eclipse) - Could not find the main class: nat.rutherford.DesktopStarter
 

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  1. POJava - Ant build (Eclipse) - Could not find the main class: nat.rutherford.DesktopStarter
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    <p>I am having a little trouble with my first ever ant build in eclipse, here is my build.xml build file.</p> <pre><code>&lt;project name="Rutherford" default="dist" basedir="."&gt; &lt;description&gt; simple example build file &lt;/description&gt; &lt;!-- set global properties for this build --&gt; &lt;property name="src" location="src"/&gt; &lt;property name="build" location="build"/&gt; &lt;property name="dist" location="dist"/&gt; &lt;property name="libs" value="libs"/&gt; &lt;path id="classpath"&gt; &lt;fileset dir="${libs}" includes="**/*.jar"/&gt; &lt;/path&gt; &lt;target name="init"&gt; &lt;!-- Create the time stamp --&gt; &lt;tstamp/&gt; &lt;!-- Create the build directory structure used by compile --&gt; &lt;mkdir dir="${build}"/&gt; &lt;/target&gt; &lt;target name="compile" depends="init" description="compile the source " &gt; &lt;!-- Compile the java code from ${src} into ${build} --&gt; &lt;javac srcdir="${src}" destdir="${build}" classpathref="classpath"&gt; &lt;compilerarg line="-encoding utf-8"/&gt; &lt;/javac&gt; &lt;/target&gt; &lt;target name="dist" depends="compile" description="generate the distribution" &gt; &lt;!-- Create the distribution directory --&gt; &lt;mkdir dir="${dist}/lib"/&gt; &lt;!-- Put everything in ${build} into the MyProject-${DSTAMP}.jar file --&gt; &lt;jar jarfile="${dist}/MyProject-${DSTAMP}.jar" basedir="${build}"&gt; &lt;manifest&gt; &lt;attribute name="Main-Class" value="nat.rutherford.DesktopStarter"/&gt; &lt;/manifest&gt; &lt;/jar&gt; &lt;/target&gt; &lt;target name="run"&gt; &lt;java jar="${dist}/MyProject-${DSTAMP}.jar" fork="true"/&gt; &lt;/target&gt; &lt;target name="clean" description="clean up" &gt; &lt;!-- Delete the ${build} and ${dist} directory trees --&gt; &lt;delete dir="${build}"/&gt; &lt;delete dir="${dist}"/&gt; &lt;/target&gt; &lt;/project&gt; </code></pre> <p>It compiles ok with no warnings or errors, but when I try to run the .jar it says 'Could not find the main class: nat.rutherford.DesktopStarter. Program will now exit' =(</p> <p>I have read a ton of pages on the matter but so far nothing conclusive.</p> <p>I was able to compile it using Eclipse -> File -> Export ->Java -> Runnable Jar File. But I use some UTF-8 encoded .txt files that it seems not to be able to deal with that way and I need them! ie I have greek characters that should read...dσ/dΩ... but currently read... dÃ/d©... which isn't going to work ^^</p> <p>So basically I need to make my Ant build work, baring in mind that it needs to be able to handle my UTF-8 encoded .txt files too.</p>
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