fuyou001 commented on code in PR #10064:
URL: https://github.com/apache/rocketmq/pull/10064#discussion_r2756695669
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broker/src/main/java/org/apache/rocketmq/broker/processor/NotificationProcessor.java:
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@@ -136,25 +148,58 @@ public RemotingCommand processRequest(final
ChannelHandlerContext ctx,
int randomQ = random.nextInt(100);
boolean hasMsg = false;
BrokerConfig brokerConfig = brokerController.getBrokerConfig();
+
+ SubscriptionData subscriptionData = null;
+ ExpressionMessageFilter messageFilter = null;
+ if (brokerConfig.isUseMessageFilterForNotification() &&
requestHeader.getExp() != null && !requestHeader.getExp().isEmpty()) {
Review Comment:
Consider using StringUtils.isNotEmpty()
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