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From "Baum, Karl" <Karl.B...@Tallan.com>
Subject Re: Indexed Disk Cache Configuration
Date Thu, 15 Jan 2004 01:52:19 GMT
All of the keys are kept in memory in JCS.  That is why the keys file
remains at 0.

Is there more than one JVM instance pointing to this directory?  When the
JVM stops the problem usually goes away.

Another question is what are the permissions on these files?

----- Original Message -----
From: <ankur.kumar@axa.com.au>
To: "Turbine JCS Users List" <turbine-jcs-user@jakarta.apache.org>
Sent: Wednesday, January 14, 2004 8:48 PM
Subject: Re: Indexed Disk Cache Configuration


> Is there anything needs to be done in code for disk specific JCS
> instance
> like releasing file handle or something?
> There are two files which got created automatically, one having
> extension
> ".data" and other ".key", but why ".key" extension file always has 0KB
> size whereas ".data" one expands as I put more cache items
>
>
>
> Please respond to "Turbine JCS Users List"
> <turbine-jcs-user@jakarta.apache.org>
> To:     Turbine JCS Users List <turbine-jcs-user@jakarta.apache.org>
> cc:
>
> Subject:        Re: Indexed Disk Cache Configuration
>
> I get this message when another jvm process has a reference to my
> indexed
> cache files.
> ----- Original Message -----
> From: <ankur.kumar@axa.com.au>
> To: "Turbine JCS Users List" <turbine-jcs-user@jakarta.apache.org>
> Sent: Wednesday, January 14, 2004 8:30 PM
> Subject: Indexed Disk Cache Configuration
>
>
> > I gotta use indexed disk caching and below is cache.ccf  settings.
> >
> > When I restart my server, it gives following exception:
> > [INFO] CompositeCache - -Constructed cache with name:
> > eplatform_disk_cache
> > [INFO] IndexedDiskCache - -Cache file root directory: c:\tmp
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 0
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 1
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 2
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 3
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 4
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 5
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 6
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 7
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 8
> > [WARN] IndexedDisk - -Failed to delete eplatform_disk_cache.data 9
> > [ERROR] IndexedDisk - -java.lang.IllegalStateException: Failed to
> delete
> >
> > eplatform_disk_cache.data
> > [ERROR] IndexedDiskCache - -Failure initializing for fileName:
> > eplatform_disk_cache and root directory: c:\tmp <java.lan
> > g.IllegalStateException: Failed to delete
> > eplatform_disk_cache.data>java.lang.IllegalStateException: Failed to
> > delete ep
> > latform_disk_cache.data
> >         at
> >
> org.apache.jcs.auxiliary.disk.indexed.IndexedDisk.reset(IndexedDisk.java
> > :316)
> >         at
> >
> org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCache.<init>(IndexedDis
> > kCache.java:155)
> >         at
> >
> org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheManager.getCache(I
> > ndexedDiskCacheManager.java:174)
> >         at
> >
> org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory.createCach
> > e(IndexedDiskCacheFactory.java:88)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheConfigurator.parseAuxiliary(
> > CompositeCacheConfigurator.java:451)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheConfigurator.parseRegion(Com
> > positeCacheConfigurator.java:297)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheConfigurator.parseRegion(Com
> > positeCacheConfigurator.java:234)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheConfigurator.parseRegions(Co
> > mpositeCacheConfigurator.java:222)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheConfigurator.doConfigure(Com
> > positeCacheConfigurator.java:148)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC
> > acheManager.java:244)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC
> > acheManager.java:227)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheManager.configure(CompositeC
> > acheManager.java:185)
> >         at
> >
> org.apache.jcs.engine.control.CompositeCacheManager.getInstance(Composit
> > eCacheManager.java:130)
> >         at org.apache.jcs.JCS.ensureCacheManager(JCS.java:135)
> >         at org.apache.jcs.JCS.getInstance(JCS.java:101)
> >         at
> >
> com.axa.eplatform.util.ecache.jcache.JCache.getCacheForRegion(JCache.jav
> > a:44)
> >         at
> > com.axa.eplatform.util.ecache.jcache.JCache.get(JCache.java:76)
> >         at jsp_servlet._util.__cache._jspService(__cache.java:92)
> >         at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
> >         at
> >
> weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(Se
> > rvletStubImpl.java:1058)
> >
> >
> >
> >
> >
> > cache.ccf
> >
> > # Disk Cache
> > jcs.region.eplatform_disk_cache=DC
> >
> jcs.region.eplatform_disk_cache.cacheattributes=org.apache.jcs.engine.Co
> > mpositeCacheAttributes
> >
> > # object will not be held in memory, straight to disk
> > jcs.region.eplatform_disk_cache.cacheattributes.MaxObjects=0
> >
> >
> #jcs.region.eplatform_disk_cache.cacheattributes.MemoryCacheName=org.apa
> > che.jcs.engine.memory.lru.LRUMemoryCache
> >
> #jcs.region.eplatform_disk_cache.cacheattributes.UseMemoryShrinker=true
> >
> #jcs.region.eplatform_disk_cache.cacheattributes.MaxMemoryIdleTimeSecond
> > s=30
> >
> #jcs.region.eplatform_disk_cache.cacheattributes.ShrinkerIntervalSeconds
> > =60
> >
> jcs.region.eplatform_disk_cache.elementattributes=org.apache.jcs.engine.
> > ElementAttributes
> > jcs.region.eplatform_disk_cache.elementattributes.IsEternal=true
> > #jcs.region.eplatform_disk_cache.elementattributes.MaxLifeSeconds=5
> > jcs.region.eplatform_disk_cache.elementattributes.IdleTime=1
> > jcs.region.eplatform_disk_cache.elementattributes.IsSpool=true
> > jcs.region.eplatform_disk_cache.elementattributes.IsRemote=false
> > jcs.region.eplatform_disk_cache.elementattributes.IsLateral=false
> >
> >
> > # Primary Disk Cache -- faster than the rest because of memory key
> > storage
> >
> 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=c:\\tmp
> >
> >
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> Important Note
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> confidential and may be subject to legal privilege.  If you are not
> the intended recipient you must not use, distribute or copy this
> email.  If you have received this email in error please notify the
> sender immediately and delete this email. Any views expressed in this
> email are not necessarily the views of AXA.   Thank you.
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