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POInvalid or corupt jarfile
 

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  1. POInvalid or corupt jarfile
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    <p>I tried to create a jar file from a java project, which uses some external jars. I created a lib folder and put all the jars I need there.</p> <p>I run the project in eclipse by adding all the jars in the lib folder to the Build Path and it works ok.</p> <p>When I try to create the jar with ant from build.xml, it seems ok, no error is shown.</p> <p>When I try to run the jar, I get the message "Invalid or corupt jarfile".</p> <p>In build.xml: I define the path to use for compiling:</p> <pre><code>&lt;path id="project.classpath"&gt; &lt;fileset dir="${lib}"&gt; &lt;include name="**/*.jar"/&gt; &lt;/fileset&gt; &lt;/path&gt; </code></pre> <p>This is the target for the compilation:</p> <pre><code>&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="${build}"&gt; &lt;classpath refid="project.classpath"/&gt; &lt;/javac&gt; &lt;/target&gt; </code></pre> <p>And this is the target for making the jar file:</p> <pre><code>&lt;target name="dist" depends="compile" description="generate the distribution" &gt; &lt;mkdir dir="${dist}"/&gt; &lt;!-- Put everything in ${build} into the MyProject-${DSTAMP}.jar file --&gt; &lt;jar jarfile="${dist}/MyProject-${DSTAMP}.jar" basedir="${build}"&gt; &lt;manifest&gt; &lt;attribute name="Main-Class" value="${main}" /&gt; &lt;attribute name="Class-Path:" value="lib/**/*.*"/&gt; &lt;/manifest&gt; &lt;fileset dir="${src}" includes="images/**/*.*" /&gt; &lt;/jar&gt; &lt;echo file="${dist}/start.bat" message="java -jar MyProject-${DSTAMP}.jar" /&gt; &lt;/target&gt; </code></pre> <p>Can you please tell me what have I done wrong?</p>
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