Installing PIG on single node

7

votes

I installed Hadoop (1.0.2) for a single node on Windows 7 with Cygwin, and it is working. However, I cannot get PIG (0.10.0) to see the Hadoop.

1) "Error: JAVA_HOME is not set."

I added this line to pig (under bin): export JAVA_HOME=/cygdrive/c/PROGRA~1/Java/jdk1.7.0_05

2) which: no hadoop in (/usr/local/b.....)
cygpath: cannot create short name of C:\pig-0.10.0\logs
Cannot locate pig.jar. do 'ant jar', and try again

I tried adding below lines to pig and it is still not finding hadoop. What should i do?

export PIG_HOME="/cygdrive/c/pig-0.10.0"
export PATH=$PATH:$PIG_HOME/bin
export PIG_CLASSPATH=/cygdrive/hadoop/hadoop-1.0.2/conf

2

votes

You might need to add your Hadoop install to your path as well. e.g.

export HADOOP_INSTALL=/Users/yourname/dev/hadoop-0.20.203.0 
export PATH=$PATH:$HADOOP_INSTALL/bin

2

votes

I had same issue with pig-0.11. Seems this is cygwin specific issue.

Copying pig-0.11.1-withouthadoop to pig-withouthadoop.jar under PIG_HOME fixed the issue for me

1

votes

I was trying to set up PIG on my gateway machine which has Windows 7 installed on it.

This issue is very specific to Cygwin.

After breaking my head for a couple of hours I found the solution :

Solution is very simple.

Just rename the jar file under ”pig-0.10.1-withouthadoop.jar” to “pig-withouthadoop.jar”.

Its documented here

0

votes

Also, you can add path : (hadoop directory)\hadoop-v.v.v\bin to environment variables manually in Windows 7. This will solve this problem

which: no hadoop in (/usr/local/b.....)

0

votes

You must visit this for installing pig 12 on hadoop 2.2.0 without any errors as it re compiles the pig library for hadoop version specified.

After following the steps, you will get the running pig without any errors on grunt.

Just enjoy doing.

% pig [return]

0

votes

I had a similar problem with Pig 0.12.0 (and Hadoop 1.0.3) installed on Fedora 19. When trying any Pig command, e.g.

pig -help

I was getting the error:

Cannot locate pig-withouthadoop.jar. do 'ant jar-withouthadoop.jar', and try again

Hadoop and Pig installation /bin folders were properly included in my PATH.

Simply copying pig-0.12.0-withouthadoop.jar to PIG_HOME folder fixed the issue for me.