[LANG-586] Use of ThreadLocals in ToStringStyle and HashCodeBuilder trigger memory leaks in container environments

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.5
• Component/s: lang.builder.*
• Assignee: Unassigned
• Reporter: Mark Thomas
• Created: 04/Feb/10 20:51
• Updated: 03/Mar/10 09:34
• Resolved: 04/Feb/10 21:59

Description

The thread local in org.apache.commons.lang3.builder.ToStringStyle is created but never removed and no API is provided to remove it. If a webapp's use of LANG triggers the loading of this class, a reference chain will be created that will cause a memory leak on web application reload.

See http://markmail.org/thread/uetw2fdrsqgbh2cv for more info.