sqoop版本不兼容的解决方法

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错误： 版本不兼容

Exception in thread "main" java.lang.IncompatibleClassChangeError: Found class org.apache.hadoop.mapreduce.JobContext, but interface was expected   at org.apache.sqoop.mapreduce.ExportOutputFormat.checkOutputSpecs(ExportOutputFormat.java:57)   at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:887)   at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:)850      at java.security.AccessController.doPrivileged(Native Method)   ....

解决办法：

this exception is very typical when someone is messing together incompatible hadoop binaries and applications (for example sqoop compiled for hadoop 2 running on hadoop 1). Would you mind checking that you've downloaded appropriate binary distribution for your cluster? You have to use binary artifact sqoop-1.4.2.bin__hadoop-1.0.0.tar.gz for hadoop 1.0.3.

如何编译呢 ？

参考：http://my.oschina.net/AlbertHa/blog/318551

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