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Find the Source Jar of a Class file in Java

/** * * Gets the Source Jar File Location for the given Class, * Useful to troubleshoot Class Related Exceptions/Errors. * @param className * @return */ public String getClassSourceJar(String className) {  Class namedClass = null;  String classSrcJarLocation = null; try { namedClass = Class.forName(className); } catch (ClassNotFoundException e) { throw new RuntimeException("The Requested Class is Not Found "+className); } CodeSource src = null; if(namedClass!=null) { src = namedClass.getProtectionDomain().getCodeSource();  if(src!=null) {  URL jar = src.getLocation();  if(jar!=null) {  classSrcJarLocation = jar.toString();  }  } }  return classSrcJarLocation; }