Hi everyone, Could you tell me if it's normal or if it's a bug; in fact i'm not sure. I'm using jbosscache in local mode but attributes "timeToLiveSeconds" and "maxNodes" in default-local.xml are not taken into account. It's default.xml which is use. Here are my configurations files : xwiki.properties : [...] cache.cacheHint=jbosscache cache.localCacheHint=jbosscache/local [...] default-local.xml : <?xml version="1.0" encoding="UTF-8"?> <server> <mbean code="org.jboss.cache.jmx.CacheJmxWrapper" name="jboss.cache:service=Cache"> <!-- Specific eviction policy configurations. This is LRU --> <attribute name="EvictionPolicyConfig"> <config> <attribute name="wakeUpIntervalSeconds">5</attribute> <attribute name="policyClass">org.jboss.cache.eviction.LRUPolicy</attribute> <!-- Cache wide default --> <region name="/xwiki"> <!-- NOT TAKEN INTO ACCOUNT, BUG ? --> <attribute name="maxNodes">5002</attribute> <attribute name="timeToLiveSeconds">21602</attribute> </region> </config> </attribute> </mbean> </server> default.xml : <?xml version="1.0" encoding="UTF-8"?> <server> <!-- ==================================================================== --> <!-- Defines JBoss Cache configuration --> <!-- ==================================================================== --> <!-- Note the value of the 'code' attribute has changed since JBC 1.x --> <mbean code="org.jboss.cache.jmx.CacheJmxWrapper" name="jboss.cache:service=Cache"> <!-- Specific eviction policy configurations. This is LRU --> <attribute name="EvictionPolicyConfig"> <config> <attribute name="wakeUpIntervalSeconds">5</attribute> <attribute name="policyClass">org.jboss.cache.eviction.LRUPolicy</attribute> <!-- Cache wide default --> <region name="/xwiki"> <attribute name="maxNodes">5001</attribute> <attribute name="timeToLiveSeconds">21601</attribute> </region> </config> </attribute> </mbean> </server> In fact, the 'maxNodes' and 'timeToLiveSeconds' which are used are 5001 and 21601. Is it normal ? I would like adding that I'm trying to optimise my cache configuration because we have error "java.lang.OutOfMemoryError: Java heap space" one or twice a week and we are suspecting a cache problem. ( Tomcat parameters used are : -Xms1024m -Xmx1048m -XX:MaxPermSize=128m [...] ) We have many errors look like arround the OutofMemory : 08:47:45,880 [http://wiki-soa.airfrance.fr/xwiki/bin/view/XWiki/MyTestClass] ERROR aseEvictionAlgorithm Eviction of /xwiki/wikidict:BlogToolbar.WebPreferences failed java.lang.NullPointerException at org.apache.log4j.Category.log(Category.java:849) at org.apache.commons.logging.impl.Log4JLogger.trace (Log4JLogger.java:152) at org.jboss.cache.factories.ComponentRegistry.invocationsAllowed (ComponentRegistry.java:816) at org.jboss.cache.invocation.CacheInvocationDelegate.cacheStatusCheck (CacheInvocationDelegate.java:582) at org.jboss.cache.invocation.CacheInvocationDelegate.evict (CacheInvocationDelegate.java:355) at org.jboss.cache.eviction.BaseEvictionPolicy.evict (BaseEvictionPolicy.java:27) at org.jboss.cache.eviction.BaseEvictionAlgorithm.evictCacheNode (BaseEvictionAlgorithm.java:231) at org.jboss.cache.eviction.LRUAlgorithm.evict (LRUAlgorithm.java:92) at org.jboss.cache.eviction.LRUAlgorithm.prune (LRUAlgorithm.java:172) at org.jboss.cache.eviction.BaseEvictionAlgorithm.process (BaseEvictionAlgorithm.java:116) at org.jboss.cache.eviction.EvictionTimerTask.handleRegion (EvictionTimerTask.java:133) at org.jboss.cache.eviction.EvictionTimerTask.processRegions (EvictionTimerTask.java:118) at org.jboss.cache.eviction.EvictionTimerTask.access$000 (EvictionTimerTask.java:28) at org.jboss.cache.eviction.EvictionTimerTask$1.run (EvictionTimerTask.java:106) at java.util.TimerThread.mainLoop(Timer.java:512) at java.util.TimerThread.run(Timer.java:462) But in fact I don't know if this error is a cause or a consequence of this OutOfMemoryError. Thanks, Julien Accédez aux meilleurs tarifs Air France, gérez vos réservations et enregistrez-vous en ligne sur http://www.airfrance.com Find best Air France fares, manage your reservations and check in online at http://www.airfrance.com Les données et renseignements contenus dans ce message peuvent être de nature confidentielle et soumis au secret professionnel et sont destinés à l'usage exclusif du destinataire dont les coordonnées figurent ci-dessus. Si vous recevez cette communication par erreur, nous vous demandons de ne pas la copier, l'utiliser ou la divulguer. Nous vous prions de notifier cette erreur à l'expéditeur et d'effacer immédiatement cette communication de votre système. 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