Just for confirmation, 1. Does NodeManager is restarted after enabling LogAggregation? If Yes, check for NodeManager start up logs for Log Aggregation Service start is success.
Thanks & Regards Rohith Sharma K S From: ch huang [mailto:justlo...@gmail.com] Sent: 18 March 2014 13:09 To: user@hadoop.apache.org Subject: issue of "Log aggregation has not completed or is not enabled." hi,maillist: i try look application log use the following process # yarn application -list Application-Id Application-Name User Queue State Final-State Tracking-URL application_1395126130647_0014 select user_id as userid, adverti...stattime(Stage-1) hive hive FINISHED SUCCEEDED ch18:19888/jobhistory/job/job_1395126130647_0014 # yarn logs -applicationId application_1395126130647_0014 Logs not available at /var/log/hadoop-yarn/apps/root/logs/application_1395126130647_0014 Log aggregation has not completed or is not enabled. but i do enable Log aggregation function ,here is my yarn-site.xml configuration about log aggregation <property> <name>yarn.log-aggregation-enable</name> <value>true</value> </property> <property> <description>Where to aggregate logs to.</description> <name>yarn.nodemanager.remote-app-log-dir</name> <value>/var/log/hadoop-yarn/apps</value> </property> the application logs is not put on hdfs successfully,why? # hadoop fs -ls /var/log/hadoop-yarn/apps/root/logs/application_1395126130647_0014 ls: `/var/log/hadoop-yarn/apps/root/logs/application_1395126130647_0014': No such file or directory