[HIVE-8850] ObjectStore:: rollbackTransaction() needs to be looked into further.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.1.0
• Component/s: Metastore
• Assignee: Hari Sankar Sivarama Subramaniyan
• Reporter: Hari Sankar Sivarama Subramaniyan
• Created: 13/Nov/14 01:43
• Updated: 12/Feb/15 23:40
• Resolved: 09/Dec/14 01:11

Description

We can run into issues as described below:
Hive script adds 2800 partitions to a table and during this it can get a SQLState 08S01 [Communication Link Error] and bonecp kill all the connections in the pool. The partitions are added and a create table statement executes (Metering_IngestedData_Compressed). The map job finishes successfully and while moving the table to the hive warehouse the ObjectStore.java commitTransaction() raises the error: commitTransaction was called but openTransactionCalls = 0. This probably indicates that there are unbalanced calls to openTransaction/commitTransaction

Issue Links

• is related to: HIVE-8891 Another possible cause to NucleusObjectNotFoundException from drops/rollback
• relates to: HIVE-4996 unbalanced calls to openTransaction/commitTransaction
• relates to: HIVE-8786 ObjectStore.rollbackTransaction() should decrement openTrasactionCalls and not set it to 0