A copy of the old pom is fine. Just change the version number. Can you past in all the log messages.
Aaron --- On Wed, 8/19/09, Stuart Maclean <[email protected]> wrote: > From: Stuart Maclean <[email protected]> > Subject: Re: memory cache not written out to disk on shutdown? > To: "JCS Users List" <[email protected]> > Date: Wednesday, August 19, 2009, 1:27 PM > Well, I print out some debug in my VM > shutdown listener after the call to CCF.shutdown and the > debug appears, so I assume the shutdown call is firing. > > I'll install the 1.3.3.5-RC version. Do I use the > existing pom do you know, or copy the pom to a new one and > tweak? > > Stuart > > On Aug 19, 2009, at 1:08 PM, Aaron Smuts wrote: > > > You can download the latest temp build and put it in > your local maven repo. You aren't forced to only use a > remote repo with maven. No one would use maven > otherwise. You wouldn't be able to use your own > libraries. . . . > > > > Running in INFO log level is fine. > > > > "Disk cache not shutdown properly, shutting down > now." Shouldn't show up if shutdown was called. > That's only called if the vm shutdown listener detects the > shutdown. That won't flush memory, it will merely > write the key file to disk. To get the memory contents > to disk, you have to do an orderly shutdown. Are you > sure the listener works? > > > > Can you past in the logs after shutdown is called. > > > > You can also configure the region to use the > DiskUsagePatternName=UPDATE. > > > > Aaron > > > > > > --- On Wed, 8/19/09, Stuart Maclean <[email protected]> > wrote: > > > >> From: Stuart Maclean <[email protected]> > >> Subject: Re: memory cache not written out to disk > on shutdown? > >> To: "JCS Users List" <[email protected]> > >> Date: Wednesday, August 19, 2009, 12:48 PM > >> Hi Aaron, > >> > >> I just configured a log4j logger, appender for > >> org.apache.jcs, set to DEBUG,and I get a ton of > output in > >> the log. Nothing looks awry, one WARN > though. > >> > >> 2009-08-19 12:39:54,598 13711 > WARN - > >> Region [OpenStreetMaps] Disk cache not shutdown > properly, > >> shutting down now. > >> 2009-08-19 12:39:54,598 13711 > INFO - In > >> DISPOSE, [OpenStreetMaps] fromRemote [false] > >> Re > >> > >> This issue is driving me mad, it seems > random. I'll > >> clear the cache dir, run the app, exit and inspect > the cache > >> dir and both /key and .data files will have size > 0. > >> Then I'll run again and things appear to start to > work, and > >> the disk cache builds up. It's as if there > is some > >> race condition in the shutdown process. yes, > I am > >> calling CCF.getInstance().shutdown() in my own VM > shutdown > >> listener. Is the jcs shutdown process > synchronous, or > >> does it spawn a new thread, which might be been > abandoned by > >> my VM? > >> > >> I am using jcs 1.3 on jdk 1.6.0_14 on Mac > 10.5. > >> I am using maven2 for build, so not sure if I can > try the > >> latest jcs build? > >> > >> Any help appreciated. > >> > >> Stuart > >> > >> > >> > >> On Aug 19, 2009, at 12:25 PM, Aaron Smuts wrote: > >> > >>> What version are you using? (I recommend > the > >> latest temp build.) > >>> > >>> Try shutting down in an orderly fashion. > Call > >> shutdown on the CompositeCacheManager. In > any case, > >> the disk cache registers a vm shutdown > listener. It > >> should write the data. > >>> > >>> Are there errors in the log? > >>> > >>> Do you see any .data file? If not, there > may be > >> a configuration or a file permission > problem. Check > >> the logs. Set the memory size to 0 and see > if the data > >> goes to disk during normal usage. > >>> > >>> Aaron > >>> > >>> --- On Wed, 8/19/09, Stuart Maclean <[email protected]> > >> wrote: > >>> > >>>> From: Stuart Maclean <[email protected]> > >>>> Subject: memory cache not written out to > disk on > >> shutdown? > >>>> To: [email protected] > >>>> Date: Wednesday, August 19, 2009, 12:04 > PM > >>>> Hi all, I am trying to use JCS in a > >>>> mapping application. I have a Swing > map > >> tool, which > >>>> retrieves and displays map tile images > from eg > >>>> openstreetmap.org. Logically my > cache > >> objects are > >>>> Images, though I am converting to and from > int[] > >> for > >>>> serialization. My cache keys are a > string > >> encoding of > >>>> the map tile components z,y,x, e.g z-y-x. > >>>> > >>>> In my cache.ccf, I am specifying > properties just > >> for > >>>> default regions. I am right in > assuming that > >> my named > >>>> regions in my code 'inherit' their > configuration > >> from the > >>>> defaults? Is it true also that if I > use two > >> regions, > >>>> R1 and R2, that EACH region gets its own > 10 > >> objects > >>>> (MaxObjects) or is 10 the total number of > >> in-memory cached > >>>> objects? > >>>> > >>>> What I want to happen is this. When > cache > >> empty, go > >>>> to map tile server and get tiles. > Store to > >> JCS cache. > >>>> Mainatin say 50 in memory for each tile > 'layer' > >> (where a > >>>> layer maps to a tile set from one map > >> server). When my > >>>> app requires the 51st image, flush LRU to > disk > >> cache. When > >>>> my app exits, serialize the entire memory > cache to > >> disk, > >>>> effectively using the cache as a > persistence > >> engine. > >>>> When restart my app, get Images from local > disk > >> before going > >>>> to remote map server. > >>>> > >>>> Alas, when I call shutdown (from a VM > shutdown > >> listener,is > >>>> this the problem???) my .key and .data > files on > >> disk never > >>>> seem to be updated It's as though > the in > >> memory cache > >>>> is never 'flushed' to disk? Should > it be? > >>>> > >>>> I seem to be missing something here? > Any > >> help > >>>> appreciated. > >>>> > >>>> Stuart > >>>> > >>>> My cache.ccf is here... > >>>> > >>>> jcs.default=DC > >>>> > >> > jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes > >>>> jcsdefault.cacheattributes.MaxObjects=10 > >>>> > >> > jcs.default.cacheattributes.MemoryCacheName=org.apache.jcsengine.memory.lru.LRUMemoryCache > >>>> > >>>> > jcs.default.elementattributes.IsEternal=true > >>>> > >> > jcs.default.elementattributes.MaxLifeSeconds=1000000 > >>>> > jcs.default.elementattributes.IdleTime=1800 > >>>> > jcs.default.elementattributes.IsSpool=true > >>>> > jcs.default.elementattributes.IsRemote=true > >>>> > jcs.default.elementattributes.IsLateral=true > >>>> > >>>> > >> > 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=${user.home}/.sgDesktop/map/cache3 > >>>> > jcs.auxiliary.DC.attributes.MaxKeySize=100000 > >>>> > >> > jcsauxiliary.DC.attributes.MaxPurgatorySize=100000 > >>>> > >> > #jcs.auxiliary.DC..attributes.ShutdownSpoolTimeLimit=60 > >>>> > >>>> > >> > --------------------------------------------------------------------- > >>>> To unsubscribe, e-mail: [email protected] > >>>> For additional commands, e-mail: [email protected] > >>>> > >>>> > >>> > >>> > >> > --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: [email protected] > >>> For additional commands, e-mail: [email protected] > >> > >> > >> > --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > >> > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
