我安装了hadoop2.7.1并设置了运行在jdk8上的hdfs。试图运行wordcount作业时。我得到以下例外。谢谢你的帮助。
我钻到原木上找到了。
2016-01-02 20:42:17,220 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskAttemptImpl: Diagnostics report from attempt_1451788850721_0002_m_000000_3: Exception from container-launch.
Container id: container_1451788850721_0002_01_000010
Exit code: 9009
**Exception message: 'MySQL' is not recognized as an internal or external command**,
operable program or batch file.
'MySQL' is not recognized as an internal or external command,
operable program or batch file.
Stack trace: ExitCodeException exitCode=9009: 'MySQL' is not recognized as an internal or external command,
operable program or batch file.
'MySQL' is not recognized as an internal or external command,
operable program or batch file.
at org.apache.hadoop.util.Shell.runCommand(Shell.java:545)
at org.apache.hadoop.util.Shell.run(Shell.java:456)
at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:722)
at org.apache.hadoop.yarn.server.nodemanager.DefaultContainerExecutor.launchContainer(DefaultContainerExecutor.java:211)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:302)
at org.apache.hadoop.yarn.server.nodemanager.containermanager.launcher.ContainerLaunch.call(ContainerLaunch.java:82)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Shell output: 1 file(s) moved.
3条答案
按热度按时间46scxncf1#
您需要在中更改mysql路径
path变量以避免空格和一些不常见的符号，如“&”。我变了
至
和
到
这解决了我的问题。
xfb7svmp2#
mysql未安装或
MYSQL_HOME未在环境变量中设置。安装mysql或/并设置变量。8iwquhpp3#
外部变量区分大小写，因为“mysql”和“mysql”是不同的。在命令行中键入mysql，查看结果。
注意：导出环境变量和执行的jar必须来自同一个用户。