Joachim Mueller created JS2-1294:
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Summary: Concurrency Issue with SessionPathResolverCache
Key: JS2-1294
URL: https://issues.apache.org/jira/browse/JS2-1294
Project: Jetspeed 2
Issue Type: Bug
Components: Components Core
Affects Versions: 2.2.2, 2.2.1, 2.2.0
Environment: websphere, IBM Java
Reporter: Joachim Mueller
Fix For: 2.2.3
A race condition can occur in SessionPathResolverCache since the internal cache
is initialized with a non-threadsave HashMap.
Under websphere we can observe blocking threads while accessing the map at:
...
at java/util/HashMap.findNonNullKeyEntry(HashMap.java:601(Compiled Code))
at java/util/HashMap.getEntry(HashMap.java:585(Compiled Code))
at java/util/HashMap.get(HashMap.java:571(Compiled Code))
at
org/apache/jetspeed/decoration/caches/HashMapPathResolverCache.getPath(HashMapPathResolverCache.java:49(Compiled
Code))
...
The base class HashMapPathResolverCache is not used and can be removed
completely, all methods can be migrated to SessionPathResolverCache.
Additional a spelling typo has been fixed.
patch follows...
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