[IMPALA-4650] Add Protobuf 2.6.1 to toolchain and as a build dependency

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.8.0
• Fix Version/s: Impala 2.9.0
• Component/s: Distributed Exec
• Target Version: Impala 2.9.0
• Assignee: Henry Robinson
• Reporter: Henry Robinson
• Created: 12/Dec/16 18:36
• Updated: 12/Jan/17 05:23
• Resolved: 12/Jan/17 05:23

Description

Kudu's RPC layer relies on Protobuf for serialization. We need to add it as a dependency to the toolchain; specifically version 2.6.1 which was the most recent stable version before 3.0.