[JXPATH-49] JXPathContextReferenceImpl not thread safe

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.1 Final

Environment

Operating System: All
Platform: All

• Bugzilla Id: 22116
• Assignee: Unassigned
• Reporter: Prasad Chodavarapu
• Created: 05/Aug/03 02:28
• Updated: 16/May/06 12:36
• Resolved: 16/May/06 12:36

Description

The cache used to store compiled xpaths in JXPathContextReferenceImpl is not
thread-safe. Here's the exception that showsup as a result in stress tests.

Exception Stack Trace: java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextEntry(HashMap.java:762)
at java.util.HashMap$EntryIterator.next(HashMap.java:804)
at
org.apache.commons.jxpath.ri.JXPathContextReferenceImpl.cleanupCache(JXPathContextReferenceImpl.java:270)

at
org.apache.commons.jxpath.ri.JXPathContextReferenceImpl.compileExpression(JXPathContextReferenceImpl.java:252)

at
org.apache.commons.jxpath.ri.JXPathContextReferenceImpl.iteratePointers(JXPathContextReferenceImpl.java:493)