Hi As you can see from the below log: * actual lock acquisition timeout in lockAndRecord is 10 seconds which equals to timeout on the cache level. (time between MVCCLockManager.lockAndRecord and MVCCLockingInterceptor.doAfterCall). * the value of InvocationContext.getLockAcquisitionTimeout is 0. (exception message "... Unable to acquire lock on Fqn [...] after [0] milliseconds ..." produced by MVCCNodeHelper.acquireLock) 04.09.09 12:56:16.539 MSD [17] FINEST org.jboss.cache.lock.MVCCLockManager.lockAndRecord - Attempting to lock /java.lang.Integer/k 04.09.09 12:56:26.539 MSD [17] FINEST org.jboss.cache.interceptors.MVCCLockingInterceptor.doAfterCall - Nothing to do since there are no modifications in scope. 04.09.09 12:56:26.539 MSD [17] FINEST org.jboss.cache.InvocationContext.throwIfNeeded - There was a problem handling this request, but failSilently was set, so suppressing exception - org.jboss.cache.lock.TimeoutException: Unable to acquire lock on Fqn [/java.lang.Integer/k] after [0] milliseconds for requestor [Thread[Thread-1,5,main]]! Lock held by [GlobalTransaction:<10.139.132.111:2698>:0] at org.jboss.cache.mvcc.MVCCNodeHelper.acquireLock(MVCCNodeHelper.java:159) at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:236) at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:186) In particular this affects behaviour of Cache.putFromExternalRead View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4253535#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...