Hi Ilya, Tried your suggestion, removing the userSeq field from the class. It still raise the same exception - org.apache.ignite.IgniteException: Cannot start/stop cache within lock or transaction. The error is thrown when trying to get igniteInstance.atomicLong("userSeq", maxId, true);
Thanks. -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/