[ACCUMULO-3372] deadlock in tserver

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.6.0, 1.6.1
• Fix Version/s: 1.6.2, 1.7.0
• Component/s: tserver
• Assignee: Eric C. Newton
• Reporter: Eric C. Newton
• Created: 01/Dec/14 15:40
• Updated: 28/May/15 16:58
• Resolved: 01/Dec/14 17:58

Description

Client was requesting table configuration, which locks a hash map at ServerConfigurationFactory.java:155, and that proceeds to try and get a lock on the ServerConfiguration class (ServerConfiguration.java, 36). That lock was held by a BulkImport request which was reading ServerConfiguration, which was trying to get a lock on the HashMap (ServerConfigurationFactory.java:48).

Unfortunately, I cannot (easily) reproduce the stack traces here.

Issue Links

• breaks: ACCUMULO-3859 TabletServer never acknowledged constraint