从Piggybank使用CSVLoader时出错 [英] Error using CSVLoader from piggybank
问题描述
我正在尝试使用Piggybank的CSVLoader.下面是我的代码的前两行:
I am trying to use CSVLoader from Piggybank. Below are the first two lines of my code:
register 'piggybank.jar' ;
define CSVLoader org.apache.pig.piggybank.storage.CSVLoader();
它引发以下错误:
2013-10-24 14:26:51,427 [main] INFO
org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file
system at: file:///
2013-10-24 14:26:52,029 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1070: Could not resolve org.apache.pig.piggybank.storage.CSVLoader using imports: [, org.apache.pig.builtin., org.apache.pig.impl.builtin.]
有人可以告诉我怎么回事吗?我正在从我的ggybank.jar所在的文件夹中执行此脚本.
Can someone tell me what's going on? I am executing this script from the same folder where my piggybank.jar is located.
推荐答案
尽管我使用的是XMLLoader,但在尝试Pig时遇到了类似的问题.对我有用的解决方案是将jar的整个路径注册,而不是相对路径.因此,如果罐子位于/usr/lib/pig/piggybank.jar,请运行以下代码:
I ran into a similar problem when I was experimenting with pig, although it was the XMLLoader for me. The solution that worked for me was to register the entire path to the jar, instead of the relative path. so if the jar is located at /usr/lib/pig/piggybank.jar run the code as follows:
register '/usr/lib/pig/piggybank.jar' ;
define CSVLoader org.apache.pig.piggybank.storage.CSVLoader();
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