[英]Trouble running pig in both local or mapreduce mode
I already have Hadoop 1.2 running on my Ubuntu VM which is running on Windows 7 machine. 我已经在Windows 7计算机上运行的Ubuntu VM上运行了Hadoop 1.2。 I recently installed Pig 0.12.0 on my same Ubuntu VM.
我最近在同一Ubuntu VM上安装了Pig 0.12.0。 I have downloaded the pig-0.12.0.tar.gz from the apache website.
我已经从apache网站下载了pig-0.12.0.tar.gz。 I have all the variables such as JAVA_HOME, HADOOP_HOME, PIG_HOME variables set correctly.
我已经正确设置了所有变量,例如JAVA_HOME,HADOOP_HOME,PIG_HOME变量。 When I try to start pig in local mode this is what I see:
当我尝试以本地模式启动Pig时,这是我看到的:
chandeln@ubuntu:~$ pig -x local
pig: invalid option -- 'x'
usage: pig
chandeln@ubuntu:~$ echo $JAVA_HOME
/usr/lib/jvm/java7
chandeln@ubuntu:~$ echo $HADOOP_HOME
/usr/local/hadoop
chandeln@ubuntu:~$ echo $PIG_HOME
/usr/local/pig
chandeln@ubuntu:~$ which pig
/usr/games/pig
chandeln@ubuntu:~$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/jvm/java7/bin:/usr/local/hadoop/bin:/usr/local/pig/bin
Since I am not a Unix expert I am not sure if this is the problem but the command which pig
actually returns /usr/games/pig
instead of /usr/local/pig
. 因为我不是Unix专家,所以我不确定这是否是问题,但是
which pig
的命令实际上返回/usr/games/pig
而不是/usr/local/pig
。 Is this the root cause of the problem? 这是问题的根本原因吗?
Please guide. 请指导。
I was able to fix the problem by changing the following lines in my .bashrc. 我可以通过更改.bashrc中的以下行来解决此问题。 This gave precedence to the
/usr/local/pig
directory instead of /usr/games/pig
这优先于
/usr/local/pig
目录,而不是/usr/games/pig
BEFORE: export PATH=$PATH:$JAVA_HOME/bin:$HADOOP_HOME/bin:$PIG_HOME/bin
AFTER: export PATH=$JAVA_HOME/bin:$HADOOP_HOME/bin:$PIG_HOME/bin:$PATH
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