Mac系统运行MapReduce程序报错：exitCode 127

最新推荐文章于 2023-03-31 14:53:48 发布

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最新推荐文章于 2023-03-31 14:53:48 发布 · 2.4k 阅读

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在Mac上部署Hadoop并尝试运行WordCount程序时遇到exitCode 127错误，问题源于/bin/java路径未找到。解决方案是检查logs/userlogs目录下的stderr文件，发现错误信息为'/bin/bash: /bin/java: No such file or directory'。通过在终端执行ln -s `/usr/libexec/java_home`/bin/java /bin/java创建软连接，修复java路径后，MapReduce程序可以正常运行。

Mac系统部署Hadoop完后，运行WordCount程序，报错如下：

For more detailed output, check application tracking page:http://10.2.51.71:8088/proxy/application_1442143524533_0005/Then, click on links to logs of each attempt.

Diagnostics: Exception from container-launch.

Container id: container_1442143524533_0005_02_000001

Exit code: 127

Stack trace: ExitCodeException exitCode=127:

at org.apache.hadoop.util.Shell.runCommand(Shell.java:538)

at org.apache.hadoop.util.Shell.run(Shell.java:455)