Everything is right, except that the NPE happens in your code, before the value is passed back to Ignite, so it doesn't even make an attempt to update the cache. Can you break on this line with a debugger and check what is actually null there?
-Val -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/NullPointerException-When-Use-ReadThrough-tp4886p4994.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.
