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  1. Commons JCS
  2. JCS-97

Unable to get the stored Cached object from JCS

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Not A Problem
    • jcs-1.3
    • jcs-1.3
    • Composite Cache
    • Production bug

    Description

      when ever i am storing more than 1000 objects using "presessioncache" (cache name)

      whenever i am trying to get the objects from stored memory it always returns null. please see my code below and cache.ccf file.if i want to add 10000 objects could you tell me the configuration of cache.ccf file

      cache.ccf file
      ***************************************************************************************************************************

      1. DEFAULT CACHE REGION
      1. sets the default aux value for any non configured caches
        jcs.default=DC
        jcs.default.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
        jcs.default.cacheattributes.MaxObjects=80000
        jcs.default.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
        jcs.default.elementattributes.IsEternal=true
        jcs.default.elementattributes.MaxLifeSeconds=3600
        jcs.default.elementattributes.IdleTime=1800
        jcs.default.elementattributes.IsSpool=true
        jcs.default.elementattributes.IsRemote=false
        jcs.default.elementattributes.IsLateral=false
      1. sets the default aux value for any non configured caches
        jcs.preSessionCache=preSessionDC
        jcs.preSessionCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
        jcs.preSessionCache.cacheattributes.MaxObjects=80000
        jcs.preSessionCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
        jcs.preSessionCache.elementattributes.IsEternal=true
        jcs.preSessionCache.elementattributes.MaxLifeSeconds=3600
        jcs.preSessionCache.elementattributes.IdleTime=1800
        jcs.preSessionCache.elementattributes.IsSpool=true
        jcs.preSessionCache.elementattributes.IsRemote=false
        jcs.preSessionCache.elementattributes.IsLateral=false
      1. sets the default aux value for any non configured caches
        jcs.postSessionCache=postSessionDC
        jcs.postSessionCache.cacheattributes=org.apache.jcs.engine.CompositeCacheAttributes
        jcs.postSessionCache.cacheattributes.MaxObjects=80000
        jcs.postSessionCache.cacheattributes.MemoryCacheName=org.apache.jcs.engine.memory.lru.LRUMemoryCache
        jcs.postSessionCache.elementattributes.IsEternal=false
        jcs.postSessionCache.elementattributes.MaxLifeSeconds=3600
        jcs.postSessionCache.elementattributes.IdleTime=1800
        jcs.postSessionCache.elementattributes.IsSpool=false
        jcs.postSessionCache.elementattributes.IsRemote=false
        jcs.postSessionCache.elementattributes.IsLateral=false
      1. AUXILIARY CACHES AVAILABLE
      1. Primary Disk Cache – faster than the rest because of memory key storage
        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=c:/genone/wap/session
        jcs.auxiliary.DC.attributes.MaxPurgatorySize=10000
        jcs.auxiliary.DC.attributes.MaxKeySize=10000
        jcs.auxiliary.DC.attributes.OptimizeAtRemoveCount=300000
        jcs.auxiliary.DC.attributes.MaxRecycleBinSize=7500
        jcs.auxiliary.DC.attributes.OptimizeOnShutdown=true
      1. Primary Disk Cache – faster than the rest because of memory key storage
        jcs.auxiliary.preSessionDC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
        jcs.auxiliary.preSessionDC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
        jcs.auxiliary.preSessionDC.attributes.DiskPath=c:/genone/wap/preSessionCache
        jcs.auxiliary.preSessionDC.attributes.MaxPurgatorySize=80000
        jcs.auxiliary.preSessionDC.attributes.MaxKeySize=60000
        jcs.auxiliary.preSessionDC.attributes.OptimizeAtRemoveCount=300000
        jcs.auxiliary.preSessionDC.attributes.MaxRecycleBinSize=7500
        jcs.auxiliary.preSessionDC.attributes.OptimizeOnShutdown=true
      1. Primary Disk Cache – faster than the rest because of memory key storage
        jcs.auxiliary.postSessionDC=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheFactory
        jcs.auxiliary.postSessionDC.attributes=org.apache.jcs.auxiliary.disk.indexed.IndexedDiskCacheAttributes
        jcs.auxiliary.postSessionDC.attributes.DiskPath=c:/genone/wap/postSessionCache
        jcs.auxiliary.postSessionDC.attributes.MaxPurgatorySize=80000
        jcs.auxiliary.postSessionDC.attributes.MaxKeySize=80000
        jcs.auxiliary.postSessionDC.attributes.OptimizeAtRemoveCount=300000
        jcs.auxiliary.postSessionDC.attributes.MaxRecycleBinSize=7500
        jcs.auxiliary.postSessionDC.attributes.OptimizeOnShutdown=true

      import java.text.SimpleDateFormat;
      import java.util.Date;
      import org.apache.jcs.JCS;
      import org.apache.log4j.Logger;

      *************************************************************************************************************************
      public class PreSessionManager {

      private static PreSessionManager instance;

      private JCS preSessionCache;
      private JCS patientSessionCache;

      public PreSessionManager() {
      log4j.info("Entering Constructor.");
      try

      { preSessionCache = JCS.getInstance("preSessionCache"); patientSessionCache = JCS.getInstance("patientSessionCache"); }

      catch (Exception e)

      { log4j.error("PreSession Error:", e); }

      log4j.info("Exiting Constructor.");
      }

      /**
      *

      • @return .
        */
        public static PreSessionManager getInstance() {
        log4j.info("Entering getInstance.");
        synchronized (PreSessionManager.class)
        Unknown macro: { if (instance == null) { instance = new PreSessionManager(); } }

        log4j.info("Exiting getInstance.");
        return instance;
        }

      /**
      *

      • @param id .
      • @return .
        */
        public PreSessionBean getPreSessionBean(final String id) { log4j.info("Inside getPreSessionBean."); return (PreSessionBean) preSessionCache.get(id); }

      public PreSessionBean getPatientSessionBean(final String id)

      { log4j.info("Inside getPatientSessionBean."); return (PreSessionBean) patientSessionCache.get(id); }

      /**
      *

      • @param bean .
      • @return .
        */
        public synchronized String createPreSession(final PreSessionBean bean)
        Unknown macro: { log4j.info("Entering createPreSession"); try { SimpleDateFormat sdf = new SimpleDateFormat( "ddMMMyyyy(HH)mm:ss,SSS"); Date date = new Date(); String szTempSession = sdf.format(date); szTempSession = szTempSession.replace("(", "h"); szTempSession = szTempSession.replace(")", "m"); szTempSession = szTempSession.replace(":", "s"); szTempSession = szTempSession.replace(",", "n"); log4j.info(" PatientID"+bean.getSzPatientID()); preSessionCache.put(szTempSession, bean); patientSessionCache.put(szTempSession, bean); log4j.info("Exiting createPreSession"); return szTempSession; } catch (Exception e) { log4j.error("PreSession Error:", e); log4j.info("Exiting createPreSession"); return null; } }

      /**
      *

      • @param szPatientID .
      • @param szGuidelineIDs .
      • @param isWAPSL .
      • @return .
        */
        public String createPreSession(final String szPatientID,
        final String szGuidelineIDs, final boolean isWAPSL) { log4j.info("Entering createPreSession"); PreSessionBean bean = new PreSessionBean(); bean.setSzGuidelineID(szGuidelineIDs); bean.setSzPatientID(szPatientID); bean.setWAPSL(isWAPSL); log4j.info("Exiting createPreSession"); return createPreSession(bean); }

      /**
      *

      • @param id .
      • @return .
        */
        public PreSessionBean removePreSession(final String id)
        Unknown macro: { log4j.info("Entering removePreSession"); try { PreSessionBean bean = (PreSessionBean) preSessionCache.get(id); preSessionCache.remove(id); log4j.info("Exiting removePreSession"); return bean; } catch (Exception e) { log4j.error("PreSession Error:", e); log4j.info("Exiting removePreSession"); return null; } }

        }

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            tv Thomas Vandahl
            exsatheeshv satheesh
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              Created:
              Updated:
              Resolved: