[IMPALA-1445] Bug in ClientCacheHelper can cause impalad to crash

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.0
• Fix Version/s: Impala 2.0.1
• Assignee: Skye Wanderman-Milne
• Reporter: Skye Wanderman-Milne
• Created: 03/Nov/14 23:35
• Updated: 03/Nov/14 23:36
• Resolved: 03/Nov/14 23:36

Description

It's possible to corrupt the cache of connections that an impalad uses to connect to other daemons, potentially causing the impalad to crash. This code path is exercised in failure cases, e.g. when the impalad is retrying to connect after a connection failure.