[MAGNOLIA-2032] FactoryUtil.getSingleton should be synchronized Created: 31/Jan/08  Updated: 23/Jan/13  Resolved: 31/Jan/08

Status: Closed
Project: Magnolia
Component/s: core
Affects Version/s: 3.5.3
Fix Version/s: 3.5.4

Type: Bug Priority: Major
Reporter: Philipp Bärfuss Assignee: Philipp Bärfuss
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Template:
Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled

 Description   

In 3.0 we used the commons discovery which takes care about synchronization. For being on the save side we have to synchronize this method.

First I tried to solve it with a so called double-checked locking. Thanks you Jan he advised me to read http://www.ibm.com/developerworks/library/j-dcl.html


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