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cutie
 Post subject: JCS Disk Cache
PostPosted: Tue Oct 21, 2003 3:43 pm 
Regular
Regular

Joined: Tue Sep 16, 2003 11:35 am
Posts: 93
Location: San Francisco, CA
Hey,

I suddenly starting getting a bunch of these errors. Any idea what they might be?

I set the cache directory to /var/webapp/.jcs and set it owned by the user that runs Tomcat. The directory is full of 0-byte files with the names of my regions.

From my cache.ccf:
Code:
jcs.default=DC
jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
jcs.default.cacheattributes.MaxObjects=1000
jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes
jcs.default.elementattributes.IsEternal=false
jcs.default.elementattributes.MaxLifeSeconds=14400
jcs.default.elementattributes.IsRemote=false
jcs.default.elementattributes.IsLateral=false

jcs.region.org.etp.Entity=
jcs.region.org.etp.Entity.cacheattributes.MaxObjects=100

jcs.region.org.etp.Entity.things=
jcs.region.org.etp.Entity.things.cacheattributes.MaxObjects=100

...

# Auxiliary CACHE (disk cache)
jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
jcs.auxiliary.DC.attributes.DiskPath=@webapp.home@/.jcs


Code:
2003-10-21 13:16:07,533 [Thread-74] ERROR org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache - java.lang.NullPointerException
2003-10-21 13:16:07,533 [Thread-74] ERROR org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache - Failure reseting state
java.lang.NullPointerException
        at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.reset(IndexedDiskCache.java:502)
        at org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.doRemove(IndexedDiskCache.java:461)
        at org.apache.jcs.auxiliary.disk.AbstractDiskCache.remove(AbstractDiskCache.java:274)
        at org.apache.jcs.engine.control.CompositeCache.remove(CompositeCache.java:760)
        at org.apache.jcs.engine.control.CompositeCache.remove(CompositeCache.java:690)
        at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:490)
        at org.apache.jcs.engine.control.CompositeCache.get(CompositeCache.java:440)
        at org.apache.jcs.access.CacheAccess.get(CacheAccess.java:236)
        at net.sf.hibernate.cache.JCSCache.get(JCSCache.java:29)
        at net.sf.hibernate.cache.ReadWriteCache.get(ReadWriteCache.java:36)
        at net.sf.hibernate.collection.CollectionPersister.getCachedCollection(CollectionPersister.java:366)
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gavin
 Post subject:
PostPosted: Tue Oct 21, 2003 3:49 pm 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 12:50 pm
Posts: 5130
Location: Melbourne, Australia
Try putting a breakpoint in: net.sf.hibernate.cache.JCSCache.get() and see what Hibernate is passing in.
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