java.io.IOException: Cannot run program "chmod": CreateProcess error=2

在eclipse下运行mapreduce程序的时候报这个错误。

Exception in thread "main" java.io.IOException: Cannot run program "chmod": CreateProcess error=2, ?????????

at java.lang.ProcessBuilder.start(Unknown Source)

at org.apache.hadoop.util.Shell.runCommand(Shell.java:149)

at org.apache.hadoop.util.Shell.run(Shell.java:134)

at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:286)

at org.apache.hadoop.util.Shell.execCommand(Shell.java:354)

at org.apache.hadoop.util.Shell.execCommand(Shell.java:337)

at org.apache.hadoop.fs.RawLocalFileSystem.execCommand(RawLocalFileSystem.java:481)

at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:473)

at org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:280)

at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:266)

at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:573)

at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:761)

at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:730)

at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1249)

at com.aspire.analyzer.hdfs.MobilePhoneTypeCount2.run(MobilePhoneTypeCount2.java:167)

at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)

at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)

at com.aspire.analyzer.hdfs.MobilePhoneTypeCount2.main(MobilePhoneTypeCount2.java:197)

Caused by: java.io.IOException: CreateProcess error=2, ?????????

at java.lang.ProcessImpl.create(Native Method)

at java.lang.ProcessImpl.<init>(Unknown Source)

at java.lang.ProcessImpl.start(Unknown Source)

... 18 more

查了下应该是要装cygwin，这个就不说了网上多的是，只是要注意一下两点

1. 进入select package界面勾选“openssl,openssh”如下图：



2. 进入base default下的“sed”如下图：



最后就是将“D:\Program Files\cygwin\bin”添加环境变量。