[HIVE-13099] Non-SQLOperations lead to Web UI NPE

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.1.0
• Hadoop Flags: Reviewed
• Assignee: Mohit Sabharwal
• Reporter: Mohit Sabharwal
• Created: 19/Feb/16 21:17
• Updated: 21/Jun/16 15:43
• Resolved: 22/Feb/16 16:42

Description

To support display of live operations in the WebUI, we record SQLOperations (in liveSqlOperations).

However, to support historic operations, we save all operations in historicSqlOperations, including non-SQLOperations which do not have display entries in liveSqlOperations.

This leads to a race condition depending on whether sessions use non-sql operations. Reproduce-able by issuing a 'set' operation.

java.lang.NullPointerException
        at org.apache.hive.generated.hiveserver2.hiveserver2_jsp._jspService(hiveserver2_jsp.java:131)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)

We should save only SQLOperations in historicSqlOperations.

Issue Links

• links to: review board