[FLINK-2823] YARN client should report a proper exception if Hadoop Env variables are not set

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Do
• Affects Version/s: 0.10.0
• Component/s: Deployment / YARN
• Assignee: Unassigned
• Reporter: Stephan Ewen
• Created: 06/Oct/15 13:13
• Updated: 26/Feb/19 16:09
• Resolved: 26/Feb/19 16:09

Description

The important variables are HADOOP_HOME and HADOOP_CONF_DIR.

If none of the two environment variables are set, the YARN client does not pick the correct settings / file system to successfully deploy a job.

The YARN client should throw a good exception. Right now, this requires some tricky debugging to find the cause of the problem.