Hi, This is a correct behavior. It's not allowed to use cache API in CacheEntryProcessor, query listeners, interceptors and so forth, because it leads to deadlocks. In your example it looks like (threads T1, T2): T1 put entry -> T1 lock entry -> T1 call listener -> T1 execute job -> T1 wait for result -> T2 get entry -> T2 try to lock entry -> T2 BLOCKED by T1
@IgniteAsyncCallback is a legal way to resolve such situations. In your case it will be: T1 put entry -> T1 lock entry -> T1 submit listener to callback pool -> T1 unlock entry. T3 - callback thread. T3 execute job -> T3 wait for result -> T2 get entry -> T2 lock entry -> T2 unlock entry -> T2 return compute result -> T3 release with result. No deadlocks now. -Dmitry. -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Node-hangs-while-accessing-cache-from-Compute-Task-tp10637p10668.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
