https://community.cloudera.com/t5/Support-Questions/Yarn-jobs-fails-with-quot-Not-able-to-initialize-user/m-p/108744#M71597 <P>I am trying to run a benchmark job, with the following command : yarn jar /path/to/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient-tests.jar TestDFSIO -read -nrFiles 10 -fileSize 1000 -resFile /tmp/TESTDFSio.txt but my job fails with following error messages : </P><P>16/01/22 15:08:47 INFO mapreduce.Job: Task Id : attempt_1453395961197_0017_m_000008_2, Status : FAILED Application application_1453395961197_0017 initialization failed (exitCode=255) with output: main : command provided 0 </P><P>main : user is foo </P><P>main : requested yarn user is foo </P><P>Path /mnt/sdb1/yarn/local/usercache/foo/appcache/application_1453395961197_0017 has permission 700 but needs permission 750. </P><P>Path /var/hadoop/yarn/local/usercache/foo/appcache/application_1453395961197_0017 has permission 700 but needs permission 750. Did not create any app directories </P><P>Even when I change these directories permission to 750, I get errors. Also these caches dont get cleaned off, after one job'and create collisons when running the next job. Any insights ?</P> Sat, 23 Jan 2016 00:39:35 GMT panda_anilkumar 2016-01-23T00:39:35Z