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When I use hadoop - Pseudo-Distributed Operation.

I try a demo - wordcount, and then it throw This Exception [WARN] .

 Exception when trying to cleanup container. xxxxxxxxxx  ExitCode = 143

And it stuck at

map 100%， reduce 0%.

What wrong with it ?

My Hadoop Singleton have used 2.6/8 GB Memory, 8/8 vCores.

SolarisNeko
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    I suspect you'll find the real error in the YARN UI logs for the map task – OneCricketeer Feb 06 '22 at 14:32
  • Does this answer your question? [Container killed by the ApplicationMaster Exit code is 143](https://stackoverflow.com/questions/42972908/container-killed-by-the-applicationmaster-exit-code-is-143) – mazaneicha Feb 06 '22 at 15:39
  • I have fix this error. Not the YARN UI logs. – SolarisNeko Feb 10 '22 at 10:11
  • The Bug is Ubuntu-OS 21.x can't run it. And I move it to the CentOS-7 and it can run. And it's config file is the same as the URL： https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/SingleCluster.html wtf.... – SolarisNeko Feb 10 '22 at 10:12

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