review fixes

Author: NSAmelchev

modules/zookeeper/src/main/java/org/apache/ignite/spi/discovery/zk/internal/ZookeeperDiscoveryImpl.java

@@ -2561,11 +2561,9 @@ else if (msg instanceof ZkCommunicationErrorResolveStartMessage) {
             0L,
             evtsData.topVer,
             sndNode.id(),
-            null,
+            msg,
             evtPath);
 
-        evtData.resolvedMsg = msg;
-
         if (log.isDebugEnabled())
             log.debug("Generated CUSTOM event [evt=" + evtData + ", msg=" + msg + ']');
 
@@ -3783,11 +3781,9 @@ private ZkDiscoveryCustomEventData createAckEvent(
             origEvt.eventId(),
             rtState.evtsData.topVer, // Use actual topology version because topology version must be growing.
             locNode.id(),
-            null,
+            ack,
             null);
 
-        ackEvtData.resolvedMsg = ack;
-
         if (log.isDebugEnabled()) {
             log.debug("Generated CUSTOM event ack [origEvtId=" + origEvt.eventId() +
                 ", evt=" + ackEvtData +