https://community.cloudera.com/t5/Support-Questions/kafka-after-ssl-produce-and-consume-message-failed/m-p/231947#M193789 <P>I had the same issue....it seems that the consumer/producer scripts are not taking in consideration the security.protocol setting used in the config file for consumer/producer.</P><P>By using the following option everything works as expected.</P><PRE>--security-protocol SSL</PRE><P>Let me know if everything works for you guys, <A rel="user" href="https://community.cloudera.com/users/18490/saulosobreiro.html" nodeid="18490">@Saulo Sobreiro</A>, <A rel="user" href="https://community.cloudera.com/users/14787/amazon20062007.html" nodeid="14787">@Zhao Chaofeng</A> </P> Mon, 30 Oct 2017 21:35:34 GMT valentin 2017-10-30T21:35:34Z