arshadmohammad commented on a change in pull request #1681:
URL: https://github.com/apache/zookeeper/pull/1681#discussion_r611499234
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/server/NettyServerCnxn.java
##########
@@ -520,8 +520,12 @@ private void receiveMessage(ByteBuf message) {
if (len < 0 || len > BinaryInputArchive.maxBuffer) {
throw new IOException("Len error " + len);
}
- // checkRequestSize will throw IOException if request
is rejected
- zkServer.checkRequestSizeWhenReceivingMessage(len);
+ if (zkServer == null || !zkServer.isRunning()) {
+ throw new IOException("ZK down");
+ } else {
Review comment:
can we move `zkServer.checkRequestSizeWhenReceivingMessage(len);` out of
else block and remove the else block.
otherwise logically there are more statements which should be in else block
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