Emmanuel, Thanks for replies, I'm planning to upgrade to 1.0RC3 soon, but for now I've patched my local ADS 0.9 and giving it a try, hope it works... may be I'll hit a different issue, or may be not Found a good article related to HashMap.get issue http://blogs.opensymphony.com/plightbo/2005/07/hashmapget_can_cause_an_infini.html -Ajay On 7/7/06, Emmanuel Lecharny wrote: > > Ajay Upadhyaya a écrit : > > > I think I'm getting to the issue here... it seems that > > java.util.HashMap.get() is getting stuck in infinite loop , and it is > > happening due to CachingNormalizer not protecting LRUMap from > > concurrent access in multiple threads > > FYI, SequencedHashMap is only used in SynchronizedLRUMap, which protect > the access to the HashMap. At least in 1.0-RC3 release. > > Just give 1.0-RC3 a try :) > > Emmanuel >