Hi Chris The error message “Caused by: java.io.IOException: Cannot run program "python”” showed that python is not in PATH env so it can not be invoked. You may try to specify the full path of python interpreter.
-- Best Regards! 肖康(Kang Xiao,<[email protected] (mailto:[email protected])>) Distributed Software Engineer 在 2014年3月10日 星期一，10:47，Chris James 写道： > Hey there. I'm trying out a storm project built from scratch in Java, but > with a Python bolt. I have everything running with all Java spouts/bolts > just fine, but when I try to incorporate a python bolt I am running into > issues. > > I have my project separated into a /storm/ for topologies, /storm/bolts/ for > bolts, /storm/spouts for spouts, and /storm/multilang/ for the multilang > wrappers. Right now the only thing in /storm/multilang/ is storm.py, copied > and pasted from the storm-starter project. In my bolts folder, I have a > dummy bolt set up that just prints the tuple. I've virtually mimicked the > storm-starter WordCountTopology example for using a python bolt, so I think > the code is OK and the configuration is the issue. > > So my question is simple. What configuration steps do I have to set up so > that my topology knows where to look to find storm.py when I run > super("python", "dummypythonbolt.py")? I noticed an error in the stack trace > claiming that it could not run python (python is definitely on my path and I > use it everyday), and that is looking in a resources folder that does not > exist. Here is the line in question: > > Caused by: java.io.IOException: Cannot run program "python" (in directory > "C:\Users\chris\AppData\Local\Temp\67daff0e-7348-46ee-9b62-83f8ee4e431c\supervisor\stormdist\dummy-topology-1-1394418571\resources"): > CreateProcess error=267, The directory name is invalid > > A more extensive stack trace is here: http://pastebin.com/6yx97m0M > > So once again: what is the configuration step that I am missing to allow my > topology to see storm.py and be able to run multilang spouts/bolts in my > topology? > > Thanks!
