Fixes #96: Wrong auxclasspath if project is stored outside of workspace

Author: adangel

ReleaseNotes.md

@@ -13,6 +13,7 @@ This is a bugfix release.
 
 ### Fixed Issues
 
+*   [#96](https://github.com/pmd/pmd-eclipse-plugin/issues/96): Wrong auxclasspath if project is stored outside of workspace
 
 ## 31-March-2019: 4.2.0.v20190331-1136
 

net.sourceforge.pmd.eclipse.plugin/src/main/java/net/sourceforge/pmd/eclipse/runtime/cmd/JavaProjectClassLoader.java

@@ -62,7 +62,8 @@ private void addURLs(IJavaProject javaProject, boolean exportsOnly) {
 
         try {
             // Add default output location
-            addURL(javaProject.getOutputLocation());
+            IPath projectLocation = javaProject.getProject().getLocation().removeLastSegments(1);
+            addURL(projectLocation.append(javaProject.getOutputLocation()));
 
             // Add each classpath entry
             IClasspathEntry[] classpathEntries = javaProject.getResolvedClasspath(true);
@@ -89,7 +90,7 @@ private void addURLs(IJavaProject javaProject, boolean exportsOnly) {
                     case IClasspathEntry.CPE_SOURCE:
                         IPath outputLocation = classpathEntry.getOutputLocation();
                         if (outputLocation != null) {
-                            addURL(outputLocation);
+                            addURL(projectLocation.append(outputLocation));
                         }
                         break;