--- a/mxtool/mx.py	Tue Jun 02 11:45:43 2015 +0200
+++ b/mxtool/mx.py	Tue Jun 02 11:55:30 2015 +0200
@@ -633,6 +633,7 @@
         if canSymlink and 'symlink' in dir(os):
             if exists(path):
                 os.unlink(path)
+            print 'Path ' + cachePath + ' path: ' + path
             os.symlink(cachePath, path)
         else:
             shutil.copy(cachePath, path)
@@ -4429,7 +4430,7 @@
 
     out.close('target')
     out.open('target', {'name' : 'compile'})
-    out.open('exec', {'executable' : sys.executable})
+    out.open('exec', {'executable' : sys.executable, 'failonerror' : 'true'})
     out.element('env', {'key' : 'JAVA_HOME', 'value' : jdk.jdk})
     out.element('arg', {'value' : os.path.abspath(__file__)})
     out.element('arg', {'value' : 'build'})