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From "Viraj Bhat (JIRA)" <j...@apache.org>
Subject [jira] [Created] (PIG-2741) Python script throws an NameError: name 'Configuration' is not defined in case cache dir is not created
Date Wed, 06 Jun 2012 01:28:24 GMT
Viraj Bhat created PIG-2741:
-------------------------------

             Summary: Python script throws an NameError: name 'Configuration' is not defined
in case cache dir is not created
                 Key: PIG-2741
                 URL: https://issues.apache.org/jira/browse/PIG-2741
             Project: Pig
          Issue Type: Bug
          Components: impl
    Affects Versions: 0.10.0
         Environment: Pig 0.10
            Reporter: Viraj Bhat


I have a Python script which writes out data to HDFS
{code}
from org.apache.hadoop.conf import *
from org.apache.hadoop.fs import *

config = Configuration()
hdfs = FileSystem.get(config)
out = hdfs.create(Path("/user/viraj/junk.txt"))
out.write("Hello World!")
{code}

When I run this I get the following error:
{quote}
2012-06-06 01:20:43,101 [main] INFO  org.apache.pig.Main - Logging error messages to: /home/viraj/pig_1338945643097.log
2012-06-06 01:20:43,502 [main] INFO  org.apache.pig.Main - Run embedded script: jython
2012-06-06 01:20:43,603 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
- Connecting to hadoop file system at: hdfs://namenode:8020
2012-06-06 01:20:44,069 [main] INFO  org.apache.pig.backend.hadoop.executionengine.HExecutionEngine
- Connecting to map-reduce job tracker at: jobtracker:50300
*sys-package-mgr*: can't create package cache dir, '/mydir/xx'
2012-06-06 01:20:45,815 [main] INFO  org.apache.pig.scripting.jython.JythonScriptEngine -
created tmp python.cachedir=/tmp/pig_jython_7126458276821733512
2012-06-06 01:20:45,904 [main] ERROR org.apache.pig.Main - ERROR 1121: Python Error. Traceback
(most recent call last):
  File "/homes/viraj/test.py", line 4, in <module>
    config = Configuration()
NameError: name 'Configuration' is not defined

{quote}

I tried to solve it in various ways:

1) Override pig.properties to specify python.cachedir.skip=false but it does not seem to work

2) The only workaround is to: specify: -Dpython.cachedir=/mydirectory/tmp on the command line

Viraj

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