[YARN-2734] If a sub-folder is encountered by log aggregator it results in invalid aggregated file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.1
• Fix Version/s: 2.6.0
• Component/s: log-aggregation
• Hadoop Flags: Reviewed
• Assignee: Xuan Gong
• Reporter: Sumit Mohanty
• Created: 23/Oct/14 17:13
• Updated: 01/Dec/14 03:11
• Resolved: 26/Oct/14 20:04

Description

See YARN-2724 for some more context on how the error surfaces during "yarn logs" call.

If aggregator sees a sub-folder today it results in the following error when reading the logs:

Container: container_1413512973198_0019_01_000002 on c6401.ambari.apache.org_45454
====================================================================================
LogType: cmd_data
LogLength: 4096
Log Contents:
Error aggregating log file. Log file : /hadoop/yarn/log/application_1413512973198_0019/container_1413512973198_0019_01_000002/cmd_data/hadoop/yarn/log/application_1413512973198_0019/container_1413512973198_0019_01_000002/cmd_data (Is a directory)

Issue Links

• depends upon: YARN-2724 If an unreadable file is encountered during log aggregation then aggregated file in HDFS badly formed
• is related to: YARN-2748 Upload logs in the sub-folders under the local log dir when aggregating logs
• is related to: YARN-2724 If an unreadable file is encountered during log aggregation then aggregated file in HDFS badly formed