$ python26 -V Python 2.6.8 $ java -version java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode) I ran closurebuilder.py in above environment. I got a following error. (paths tweaked a little though.) I fixed this patch. closure-library/closure/bin/build/closur…

gistfile1.py

--- closure-library/closure/bin/build/jscompiler.py     2013-03-13 18:21:16.000000000 +0900
+++ closure-library/closure/bin/build/jscompiler.py     2013-03-13 19:22:12.000000000 +0900
@@ -33,7 +33,7 @@

 def _GetJavaVersionString():
   """Get the version string from the Java VM."""
-  return subprocess.check_output(['java', '-version'], stderr=subprocess.STDOUT)
+  return subprocess.Popen(['java', '-version'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()[0]


 def _ParseJavaVersion(version_string):
@@ -110,6 +110,6 @@
   logging.info('Compiling with the following command: %s', ' '.join(args))

   try:
-    return subprocess.check_output(args)
+    return subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT).communicate()[0]
   except subprocess.CalledProcessError:
     raise JsCompilerError('JavaScript compilation failed.')