yarn webUI 看不到日志

yarn webUI 看不到日志

解决办法：

Resource Manager webUI No logs available for container

1. Please verify once if you could collect logs using "yarn logs" command as below?
{{
yarn logs -applicationId <appID> -appOwner <user>
}}

2.  please verify the below directories if they have right permissions
{{
hdfs dfs -ls /user/history/done
hdfs dfs -ls  /user/history/done_intermediate
}}

3. Please verify if "Enable Log Aggregation" has been enabled or not
{{
ClouderaManager-->Yarn-->Configurations-->"Enable Log Aggregation"
}}

4. Verify the permissions for /tmp/logs as below,
{{
hadoop fs -chown mapred:hadoop /tmp/logs
hadoop fs -chown -R :hadoop /tmp/logs/*
}}