[QPID-6781] Replace use of Subject#doAs with calls to AccessController#doPrivileged and cache AccessControlContext

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: qpid-java-6.0
• Component/s: Broker-J
• Assignee: Unassigned
• Reporter: Keith Wall
• Created: 08/Oct/15 14:04
• Updated: 02/Oct/19 19:20
• Resolved: 12/Nov/15 00:17

Description

Analysis with a profiler has shown the Subject#doAs (and associated calls) are expensive. Replace use of Subject#doAs with direct calls to AccessController#doPrivileged and have connections/sessions cache an AccessControlContext.