Looks like I didn't have JYTHON_HOME set. That did the trick. On Mon, Apr 30, 2012 at 4:57 PM, Chris Diehl <[email protected]> wrote:
> Hi All, > > I've been unable to import datetime to use in a Jython UDF. I found the > following thread and reverted from Jython 2.5.2 to 2.5. Unfortunately that > did not solve my problem. > > I am running Pig 0.10.0 in local mode on my MacBook Pro. My Pig classpath is > pointing to jython.jar. > > Any suggestions as to other things I should check? It sounds like this should > work. > > Thanks, Chris > > --------------------- > > Hey guys, thanks for the quick answers... > > I've installed Jython 2.5 and that's what did the trick. > > Thanks again! :) > > On Thu, Apr 19, 2012 at 5:45 PM, kumar palaniappan <[email protected]> wrote: > > > Sorry..I think I answered the wrong thread. > > > > > > > > ________________________________ > > From: kumar palaniappan <[email protected]> > > To: [email protected] > > Sent: Thu, April 19, 2012 1:36:03 PM > > Subject: Re: Python UDF for piglatin script not finding re module > > > > I am using CDUH3 distribution and Pig is 0.8. > > I installed jython 2.2.1. Let me install jython 2.5.0 and see > > > > Devi > > > > > > > > > > > > ________________________________ > > From: Gianmarco De Francisci Morales <[email protected]> > > To: [email protected] > > Sent: Thu, April 19, 2012 1:32:36 PM > > Subject: Re: Python UDF for piglatin script not finding re module > > > > Hi, > > > > welcome to the community! > > > > First question is, how did you install pig? > > Source or some other distribution? > > > > Second, Pig wants jython.version=2.5.0 > > Which version have you installed? > > > > Cheers, > > -- > > Gianmarco > > > > > > > > On Thu, Apr 19, 2012 at 21:29, Fernando Doglio < > > [email protected] > > > wrote: > > > > > Hello everyone, new pig user here. > > > > > > I've being toying around with pig for a while now, and I wanted to create > > > my first UDF in Python. It all went fine until I wanted to use RegExps. > > > > > > I tried importing the "re" module on my python script, but when I did > > that, > > > I got an error message: > > > > > > [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1121: Python > > > Error. Traceback (most recent call last): > > > > > > File "utils.py", line 3, in <module> > > > > > > import re > > > ImportError: No module named re > > > > > > > > > Looking around the net, I ended up installing "jython" on my system, that > > > didn't do the trick, but doing a bit more research, I found out that the > > > sys.path variable was different when I ran the script using the "jython" > > > command and when I used the "pig" command: > > > > > > *Using Jython* > > > > > > ['', '/usr/share/jython/Lib', '/usr/lib/site-python', '__classpath__'] > > > > > > > > > *Using pig* > > > > > > ['/pig/lib/Lib', '__classpath__', '__pyclasspath__/']1 > > > > > > > > > So I went back to my script, and manually changed the "sys.path" variable > > > to look like the first example up there.. now when I run the script with > > > pig, I get the following message: > > > > > > File "utils.py", line 8, in <module> > > > > > > import re > > > File "/usr/share/jython/Lib/re.py", line 7, in <module> > > > > > > import sre, sys > > > File "/usr/share/jython/Lib/sre.py", line 97, in <module> > > > > > > import sre_compile > > > File "/usr/share/jython/Lib/sre_compile.py", line 17, in <module> > > > > > > assert _sre.MAGIC == MAGIC, "SRE module mismatch" > > > AssertionError: SRE module mismatch > > > > > > > > > According to someone on stackoverflow, this is due to the fact that my > > > manually installed "jython" version is different from the one used by > > > Pig.... > > > > > > Now, finally, my question is: how do I get my python script to run on pig > > > correctly? > > > > > > > > > Thanks so much for reading and if you can, for answering! > > > > > > Fernando Doglio > > > > > > >
