Ethanlm commented on a change in pull request #3296:
URL: https://github.com/apache/storm/pull/3296#discussion_r447039454
##########
File path: storm-client/src/jvm/org/apache/storm/messaging/netty/Server.java
##########
@@ -260,7 +260,15 @@ public void channelActive(Channel c) {
@Override
public void received(Object message, String remote, Channel channel)
throws InterruptedException {
- List<TaskMessage> msgs = (List<TaskMessage>) message;
+ List<TaskMessage> msgs;
+
+ try {
+ msgs = (List<TaskMessage>) message;
+ } catch (ClassCastException e) {
+ LOG.error("Worker netty server receive message other than the
expected class List<TaskMessage> from remote: {}", remote, e);
Review comment:
nit: `receive` -> `received` ;
And ad the log to indicate the message is ignored will be helpful
##########
File path: storm-client/src/jvm/org/apache/storm/messaging/netty/Server.java
##########
@@ -260,7 +260,15 @@ public void channelActive(Channel c) {
@Override
public void received(Object message, String remote, Channel channel)
throws InterruptedException {
- List<TaskMessage> msgs = (List<TaskMessage>) message;
+ List<TaskMessage> msgs;
+
+ try {
+ msgs = (List<TaskMessage>) message;
+ } catch (ClassCastException e) {
+ LOG.error("Worker netty server receive message other than the
expected class List<TaskMessage> from remote: {}", remote, e);
Review comment:
nit: `receive` -> `received` ;
And add the log to indicate the message is ignored will be helpful
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