Hi, im using jboss4.0.5.GA and if im not wrong it has hibernate 3.2 wich has optimistic cache locking, how do I enable it? For example my ejb3-cache-service.xml is | <?xml version="1.0" encoding="UTF-8"?> | <server> | <mbean code="org.jboss.cache.TreeCache" name="jboss.cache:service=EJB3EntityTreeCache"> | <depends>jboss:service=Naming</depends> | <depends>jboss:service=TransactionManager</depends> | <attribute name="TransactionManagerLookupClass">org.jboss.cache.JBossTransactionManagerLookup</attribute> | <attribute name="IsolationLevel">REPEATABLE_READ</attribute> | <attribute name="CacheMode">REPL_SYNC</attribute> | <attribute name="ClusterName">EJB3-entity-cache</attribute> | <attribute name="ClusterConfig"> | <config> | <UDP mcast_addr="${jboss.partition.udpGroup:228.1.2.3}" mcast_port="43333" ip_ttl="${jgroups.mcast.ip_ttl:2}" ip_mcast="true" | mcast_send_buf_size="150000" mcast_recv_buf_size="80000" ucast_send_buf_size="150000" | ucast_recv_buf_size="80000" loopback="false" /> | <PING timeout="2000" num_initial_members="3" up_thread="false" down_thread="false" /> | <MERGE2 min_interval="10000" max_interval="20000" /> | <FD_SOCK down_thread="false" up_thread="false"/> | <FD shun="true" up_thread="false" down_thread="false" | timeout="20000" max_tries="5"/> | <VERIFY_SUSPECT timeout="1500" up_thread="false" down_thread="false" /> | <pbcast.NAKACK gc_lag="50" max_xmit_size="8192" retransmit_timeout="600,1200,2400,4800" up_thread="false" | down_thread="false" /> | <UNICAST timeout="600,1200,2400" window_size="100" min_threshold="10" down_thread="false" /> | <pbcast.STABLE desired_avg_gossip="20000" up_thread="false" down_thread="false" /> | <FRAG frag_size="8192" down_thread="false" up_thread="false" /> | <pbcast.GMS join_timeout="5000" join_retry_timeout="2000" shun="true" print_local_addr="true" /> | <pbcast.STATE_TRANSFER up_thread="false" down_thread="false" /> | </config> | </attribute> | <attribute name="InitialStateRetrievalTimeout">5000</attribute> | <attribute name="SyncReplTimeout">10000</attribute> | <attribute name="LockAcquisitionTimeout">15000</attribute> | <attribute name="EvictionPolicyClass">org.jboss.cache.eviction.LRUPolicy</attribute> | <attribute name="EvictionPolicyConfig"> | <config> | <attribute name="wakeUpIntervalSeconds">5</attribute> | <region name="/_default_"> | <attribute name="maxNodes">5000</attribute> | <attribute name="timeToLiveSeconds">1000</attribute> | </region> | </config> | </attribute> | </mbean> | </server> | Which is using pessimistic cache locking, whats the parameter to change? ive searched lots of manuals and configuration tutorial but no luck so far. Also, if I change it to optimistic, do I need to do anything else in the code? do I need to perform evictions by hand? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4009390#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...