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From "Wyatt, Allen" <Allen.Wy...@travelocity.com>
Subject An exception seen related to IndexedDiskCache
Date Mon, 31 Jan 2005 20:00:27 GMT
Here's the text of an exception we're seeing in production:

java.lang.NullPointerException
    at
org.apache.commons.collections.SequencedHashMap.removeEntry(Unknown
Source)
    at
org.apache.commons.collections.SequencedHashMap.removeImpl(Unknown
Source)
    at org.apache.commons.collections.SequencedHashMap.remove(Unknown
Source)
    at org.apache.commons.collections.LRUMap.get(Unknown Source)
    at
org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.readElement(Index
edDiskCache.java:503)
    at
org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.doGet(IndexedDisk
Cache.java:476)
    at
org.apache.jcs.auxiliary.disk.AbstractDiskCache.get(AbstractDiskCache.ja
va:209)
    at
org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:501
)
    at
org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:403
)
    at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:199)
    ...

Any ideas what could cause exceptions within the collections class?  I
know this isn't much information to go on, but any help you can give
would be appreciated.

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