Please find the complete configuration file. Yes, they are writing to a single shared DB <?xml version="1.0" encoding="UTF-8"?> | <jbosscache xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:jboss:jbosscache-core:config:3.0"> | | <locking | isolationLevel="READ_COMMITTED"/> | <transaction | transactionManagerLookupClass="org.jboss.cache.transaction.GenericTransactionManagerLookup" | syncRollbackPhase="false" | syncCommitPhase="false"/> | | | <clustering mode="replication"> | | | <stateRetrieval timeout="20000" fetchInMemoryState="false"/> | <sync replTimeout="20000"/> | | </clustering> | | <eviction wakeUpInterval="500" > | | <default algorithmClass="org.jboss.cache.eviction.FIFOAlgorithm" eventQueueSize="100000"> | <property name="maxNodes" value="100" /> | <property name="minTimeToLive" value="36000"/> | </default> | | <region name="/regionA"> | <property name="maxNodes" value="3" /> | <property name="minTimeToLive" value="2000"/> | | </region> | </eviction> | | | <loaders passivation="false" shared="true"> | <preload><node fqn="/"></node></preload> | <loader class="org.jboss.cache.loader.JDBCCacheLoader" async="false" fetchPersistentState="false" | ignoreModifications="false" purgeOnStartup="true"> | <properties> | cache.jdbc.datasource=java:/ProjectOracleDS | location=./ | cache.jdbc.table.drop=false | cache.jdbc.table.name=cache_loader | cache.jdbc.table.primarykey=FQN | cache.jdbc.fqn.column=FQN | cache.jdbc.node.column=cache_data | cache.jdbc.parent.column=parent_fqn | cache.jdbc.sql-concat=1||2 | </properties> | | </loader> | </loaders> | | | | | </jbosscache> | I got get this exception org.jboss.cache.lock.TimeoutException: Unable to acquire lock on Fqn View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4218859#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...