chia7712 commented on code in PR #16169: URL: https://github.com/apache/kafka/pull/16169#discussion_r1623634685
########## clients/src/test/java/org/apache/kafka/common/network/DefaultChannelMetadataRegistry.java: ########## @@ -22,9 +22,10 @@ public class DefaultChannelMetadataRegistry implements ChannelMetadataRegistry { @Override public void registerCipherInformation(final CipherInformation cipherInformation) { - if (this.cipherInformation != null) { - this.cipherInformation = cipherInformation; + if (cipherInformation == null) { + throw new IllegalArgumentException("cipherInformation cannot be null"); Review Comment: It would be nice that the thrown exception is same to `SelectorChannelMetadataRegistry#registerCipherInformation`. Could you check that? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org