title: Existing JUnit Class not found exception
body: <p>I am trying to run a test from XSDGeneratorTest.java. But I get the following exception:</p>
  
  <pre><code>Class not found com.level3.pcat.xsd.XSDGeneratorTest
  java.lang.ClassNotFoundException: com.level3.pcat.xsd.XSDGeneratorTest
  at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
  at     org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClass(RemoteTestRunner.java:693)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClasses(RemoteTestRunner.java:429)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
  </code></pre>
  
  <p>I tried to claen and build the project many a times but still same error!
  I tried all the options from <a href="https://stackoverflow.com/questions/5716308/junit-test-class-in-eclipse-java-lang-classnotfoundexception">JUNIT Test class in Eclipse - java.lang.ClassNotFoundException</a>, but none worked for me!</p>