Fix NPE on node stop causing JVM halt with default failure handler - Fixes
@@ -2895,7 +2895,9 @@ public class TcpCommunicationSpi extends IgniteSpiAdapter implements Communicati
assert node != null;
assert msg != null;
- if (log.isTraceEnabled())
+ IgniteLogger log = this.log;
+
+ if (log != null && log.isTraceEnabled())
log.trace("Sending message with ack to node [node=" + node + ", msg=" + msg + ']');
if (isLocalNodeDisconnected()) {
