[IMPALA-908] Requests should fail gracefully if "user" is not set (possible w/ unsecure Hive JDBC connections due to bug)

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 1.3
• Fix Version/s: Impala 1.3
• Assignee: Matthew Jacobs
• Reporter: Lenni Kuff
• Created: 20/Mar/14 15:24
• Updated: 20/Dec/15 00:05
• Resolved: 21/Mar/14 03:29

Description

If someone is running using JDBC w/o Kerberos and does not specify a username, it is possible that the "user" field will be empty. This causes a Precondition failure in the Admission Controller RequestPoolService.

I0318 16:42:36.781626 11198 jni-util.cc:177] java.lang.IllegalArgumentException
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:72)
	at com.cloudera.impala.util.RequestPoolService.assignToPool(RequestPoolService.java:343)
	at com.cloudera.impala.util.RequestPoolService.resolveRequestPool(RequestPoolService.java:257)