https://community.cloudera.com/t5/Support-Questions/kafka-after-ssl-produce-and-consume-message-failed/m-p/231942#M193784 <P>Hello, My produce command is</P><PRE>$KAFKA_HOME/bin/kafka-console-producer.sh --broker-list node3:6667 --topic my-replicated-topic --producer.config /etc/kafka/conf/ssl/producer.properties </PRE><P>consume command is </P><PRE>./bin/kafka-console-consumer.sh --bootstrap-server node1:6667 --topic my-replicated-topic --new-consumer --consumer.config /etc/kafka/conf/ssl/producer.properties --from-beginning </PRE><P>I use SSL to authorize not Kerberos, so I add </P><PRE>--security-protol SSL </PRE><P>option to my Kafka Producer/Consumer. But in produce process, console prints messages as follows</P><PRE>[2017-05-16 16:03:21,447] WARN Error while fetching metadata with correlation id 0 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:21,548] WARN Error while fetching metadata with correlation id 1 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:21,655] WARN Error while fetching metadata with correlation id 2 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:21,765] WARN Error while fetching metadata with correlation id 3 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:21,874] WARN Error while fetching metadata with correlation id 4 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:21,984] WARN Error while fetching metadata with correlation id 5 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,093] WARN Error while fetching metadata with correlation id 6 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,202] WARN Error while fetching metadata with correlation id 7 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,313] WARN Error while fetching metadata with correlation id 8 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,423] WARN Error while fetching metadata with correlation id 9 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,532] WARN Error while fetching metadata with correlation id 10 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,642] WARN Error while fetching metadata with correlation id 11 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,751] WARN Error while fetching metadata with correlation id 12 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,858] WARN Error while fetching metadata with correlation id 13 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:22,967] WARN Error while fetching metadata with correlation id 14 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,076] WARN Error while fetching metadata with correlation id 15 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,183] WARN Error while fetching metadata with correlation id 16 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,292] WARN Error while fetching metadata with correlation id 17 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,400] WARN Error while fetching metadata with correlation id 18 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,512] WARN Error while fetching metadata with correlation id 19 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,629] WARN Error while fetching metadata with correlation id 20 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,738] WARN Error while fetching metadata with correlation id 21 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) [2017-05-16 16:03:23,848] WARN Error while fetching metadata with correlation id 22 : {my-replicated-topic=LEADER_NOT_AVAILABLE} (org.apache.kafka.clients.NetworkClient) </PRE> Tue, 16 May 2017 15:08:46 GMT amazon20062007 2017-05-16T15:08:46Z