[UIMA-3786] Fix UIMA-AS client race condition

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.2AS
• Fix Version/s: 2.6.0AS
• Component/s: Async Scaleout
• Assignee: Jerry Cwiklik
• Reporter: Jerry Cwiklik
• Created: 28/Apr/14 20:22
• Updated: 22/May/14 16:28
• Resolved: 22/May/14 16:28

Description

Looks like there is a race condition that results in calling onBeforeProcess() callback twice. Seems like a thread handling Process reply is racing with another thread handling service ACK. Synchronize code to make sure only one of the two threads calls onBeforeProcess() callback