@Override protected void createCacheManagers() throws Throwable { ConfigurationBuilder configurationBuilder = getDefaultClusteredCacheConfig(CacheMode.DIST_SYNC, true); configurationBuilder.transaction() .transactionMode(TransactionMode.TRANSACTIONAL) .lockingMode(LockingMode.PESSIMISTIC) .locking().lockAcquisitionTimeout(TestingUtil.shortTimeoutMillis()); configurationBuilder.clustering().hash().numOwners(1).groups().enabled(); createClusteredCaches(2, "atomic", configurationBuilder); }