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PONoClassDefFoundError when checkstyle is running
 

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  1. PONoClassDefFoundError when checkstyle is running
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    <p>I have written a new checkstyle check as a filescanner. I modeled my junits after the code I found in the checkstyle code. The junits run just fine and everything looks good.</p> <p>But then, I add the check to my project. </p> <pre><code>&lt;module name="TreeWalker"&gt; &lt;property name="tabWidth" value="4" /&gt; &lt;module name="com.onuspride.codetools.checkstyles.DuplicateClassNames"/&gt; &lt;/module&gt; </code></pre> <p>and my ant task</p> <pre><code>&lt;taskdef resource="checkstyletask.properties"&gt; &lt;classpath refid="classpath" /&gt; &lt;/taskdef&gt; &lt;property name="checkstyle.suppressions.file" value="checkstyle/suppressions.xml" /&gt; &lt;property name="translation.severity" value="error" /&gt; &lt;target name="checkStyle" description="TestTask to evaluate the checkstyle system."&gt; &lt;checkstyle config="checkstyle/checkstyle_checks.xml"&gt; &lt;fileset dir="${msg.src}" includes="**/*.java" /&gt; &lt;formatter type="plain" /&gt; &lt;formatter type="xml" toFile="${msg.build.jar}/checkstyle_errors.xml" /&gt; &lt;classpath refid="classpath" /&gt; &lt;/checkstyle&gt; &lt;/target&gt; </code></pre> <p>the duplicateclassnames class calls several classes in the same jar. For some reason, when ant runs it, ant finds the check class, but can't find the supporting classes, when they are all in the same jar file. here's what i get in ant</p> <pre><code> [checkstyle] [class]:0: Got an exception - java.lang.NoClassDefFoundError: com/onuspride/codetools/common/classpath/criteria/ClassNameCriteriaCollector </code></pre> <p>Im stumped. Ive checkd all the dependencies of my jar, they are all in the classpath, I don't understand how it can find one class file but not another in the same jar. Ive done all my dirty little tricks and I just don't get it.</p> <p>any ideas?</p>
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    1. CO**I don't understand how it can find one class file but not another in the same jar** :: can you please tell which class did you find and which you did not, under what jar file.
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      1. PONoClassDefFoundError when checkstyle is running
      1. USDenim Datta
    2. COthe check class is com.onuspride.codetools.checkstyles.DuplicateClassNames and the class that it can't find is, and they are contained in the same jar. com.onuspride.codetools.common.classpath.criteria.ClassNameCriteriaCollector
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      1. USscphantm
 

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