Hello Tim, Thanks for your replu
It works fine with the same code if I increase this particular parameter from jcs.default.cacheattributes.MaxObjects=50 to jcs.default.cacheattributes.MaxObjects=500000 and reduce the jcs.auxiliary.DC.attributes.MaxKeySize=200000 To jcs.auxiliary.DC.attributes.MaxKeySize=20 All I am trying to do is use disk based cache for majority of my objects. Let me know if you need anything else. Contents of ccf are provided below. jcs.default=DC jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache jcs.default.cacheattributes.MaxObjects=50 jcs.default.cacheattributes.UseMemoryShrinker=false jcs.default.cacheattributes.MaxMemoryIdleTimeSeconds=10800 jcs.default.cacheattributes.ShrinkerIntervalSeconds=3600 jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes jcs.default.elementattributes.IsEternal=false jcs.default.elementattributes.MaxLifeSeconds=36000 jcs.default.elementattributes.IsSpool=true jcs.default.elementattributes.IsRemote=false jcs.default.elementattributes.IsLateral=false ############################################################## ##### AUXILIARY CACHES # Indexed Disk Cache jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheF actory jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.Indexe dDiskCacheAttributes jcs.auxiliary.DC.attributes.DiskPath=/tmp/rms jcs.auxiliary.DC.attributes.MaxKeySize=200000 jcs.auxiliary.DC.attributes.MaxPurgatorySize=200000 jcs.auxiliary.DC.attributes.ClearDiskOnStartup=true cs.auxiliary.DC.attributes.MaxRecycleBinSize=10000 Thanks for your help, Shweta -----Original Message----- From: Tim Cronin [mailto:[email protected]] Sent: Tuesday, March 22, 2011 11:30 AM To: JCS Users List Subject: RE: JCS CONFIG Help Do you have sample code of how you suing the cache? -----Original Message----- From: Bhandari, Shweta [mailto:[email protected]] Sent: Tuesday, March 22, 2011 8:46 AM To: [email protected] Subject: JCS CONFIG Help Hello Everyone, I am new to JCS and I am trying to use JCS in my webapp. All I want to use is diskbasedcache to reduce the memory usage on tomcat server. Looks like my parameters in ccf are wrong . I perpetually get null pointer exception for the object which I Put in the cache. It seems like my object is lost Please advise. Here are the contents of my ccf file for your perusal Thanks, Shweta jcs.default=DC jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttribut es jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory .lru.LRUMemoryCache jcs.default.cacheattributes.MaxObjects=50 jcs.default.cacheattributes.UseMemoryShrinker=false jcs.default.cacheattributes.MaxMemoryIdleTimeSeconds=10800 jcs.default.cacheattributes.ShrinkerIntervalSeconds=3600 jcs.default.elementattributes=org.apache.jcs.engine.ElementAttributes jcs.default.elementattributes.IsEternal=false jcs.default.elementattributes.MaxLifeSeconds=36000 jcs.default.elementattributes.IsSpool=true jcs.default.elementattributes.IsRemote=false jcs.default.elementattributes.IsLateral=false ############################################################## ##### AUXILIARY CACHES # Indexed Disk Cache jcs.auxiliary.DC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheF actory jcs.auxiliary.DC.attributes=org.apache.jcs.auxiliary.disk.indexed.Indexe dDiskCacheAttributes jcs.auxiliary.DC.attributes.DiskPath=/tmp/rms jcs.auxiliary.DC.attributes.MaxKeySize=200000 jcs.auxiliary.DC.attributes.MaxPurgatorySize=200000 jcs.auxiliary.DC.attributes.ClearDiskOnStartup=true cs.auxiliary.DC.attributes.MaxRecycleBinSize=10000 ________________________________ Important Notice to Recipients: The sender of this e-mail is an employee of Morgan Stanley Smith Barney LLC. 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