Hive:Execution Error, return code -101 from org.apache.hadoop.hive.ql.exec.FunctionTask Ask

翻译于 2018-04-28 17:05:40 发布 · 9.5k 阅读

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本文介绍了一个关于Hive使用自定义聚合函数(UDAF)时遇到的错误案例。错误原因是UDAF使用了较高版本的Java编译，而Hadoop运行在较低版本的Java上。文章详细说明了解决这一兼容性问题的方法。

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I wrote a test.sql file and ran it with hive. I got the error when hive was parsing to the code(show below):

[CODE]:
CREATE TEMPORARY FUNCTION foo AS "com.mytest.udaf.HelloWorldFoo";

[ERROR]:
This query failes with the error: "Execution Error, return code -101 from
org.apache.hadoop.hive.ql.exec.FunctionTask"

PS: Hadoop was running on Java 6.

the problem was that the UDAF class was compiled with Java 7 and Hadoop was running on Java 6.

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