satheesh created JCS-97:
---------------------------
Summary: Unable to get the stored Cached object from JCS
Key: JCS-97
URL: https://issues.apache.org/jira/browse/JCS-97
Project: Commons JCS
Issue Type: Bug
Components: Composite Cache
Affects Versions: jcs-1.3
Environment: Production bug
Reporter: satheesh
Fix For: jcs-1.3
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
***************************************************************************************************************************
# DEFAULT CACHE REGION
# 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
# 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
# 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
# AUXILIARY CACHES AVAILABLE
# 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
# 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
# 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) {
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) {
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) {
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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