Compile fix after: Avoid swallowing unexpected exceptions.
@@ -44,6 +44,7 @@ import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;
import javax.cache.CacheException;
import javax.cache.expiry.ExpiryPolicy;
+import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.IgniteDataStreamer;
