https://community.cloudera.com/t5/Archives-of-Support-Questions/No-enum-constant-org-apache-kafka-common-protocol/m-p/196944#M71363 <P>The issue is resolved by using -PHDP-2.5.0.0 option when I compile metron.</P> Wed, 15 Nov 2017 21:34:33 GMT dms1122 2017-11-15T21:34:33Z https://community.cloudera.com/t5/Archives-of-Support-Questions/No-enum-constant-org-apache-kafka-common-protocol/m-p/196943#M71362 <P>I'm facing following error, can you please help me to resolve it:</P><PRE>2017-11-14 16:39:55.489 o.a.s.util Thread-17-kafkaSpout-executor[4 4] [ERROR] Async loop died! org.apache.kafka.common.KafkaException: Failed to construct kafka consumer at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:702) ~[stormjar.jar:?] at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:557) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.internal.KafkaConsumerFactoryDefault.createConsumer(KafkaConsumerFactoryDefault.java:26) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.KafkaSpout.subscribeKafkaConsumer(KafkaSpout.java:452) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.KafkaSpout.activate(KafkaSpout.java:445) ~[stormjar.jar:?] at org.apache.storm.daemon.executor$fn__6505$fn__6520$fn__6551.invoke(executor.clj:646) ~[storm-core-1.0.1.2.5.5.0-157.jar:1.0.1.2.5.5.0-157] at org.apache.storm.util$async_loop$fn__554.invoke(util.clj:484) [storm-core-1.0.1.2.5.5.0-157.jar:1.0.1.2.5.5.0-157] at clojure.lang.AFn.run(AFn.java:22) [clojure-1.7.0.jar:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131] Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.kafka.common.protocol.SecurityProtocol.PLAINTEXTSASL at java.lang.Enum.valueOf(Enum.java:238) ~[?:1.8.0_131] at org.apache.kafka.common.protocol.SecurityProtocol.valueOf(SecurityProtocol.java:28) ~[stormjar.jar:?] at org.apache.kafka.common.protocol.SecurityProtocol.forName(SecurityProtocol.java:89) ~[stormjar.jar:?] at org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:79) ~[stormjar.jar:?] at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:623) ~[stormjar.jar:?] ... 8 more 2017-11-14 16:39:55.495 o.a.s.d.executor Thread-17-kafkaSpout-executor[4 4] [ERROR] org.apache.kafka.common.KafkaException: Failed to construct kafka consumer at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:702) ~[stormjar.jar:?] at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:557) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.internal.KafkaConsumerFactoryDefault.createConsumer(KafkaConsumerFactoryDefault.java:26) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.KafkaSpout.subscribeKafkaConsumer(KafkaSpout.java:452) ~[stormjar.jar:?] at org.apache.storm.kafka.spout.KafkaSpout.activate(KafkaSpout.java:445) ~[stormjar.jar:?] at org.apache.storm.daemon.executor$fn__6505$fn__6520$fn__6551.invoke(executor.clj:646) ~[storm-core-1.0.1.2.5.5.0-157.jar:1.0.1.2.5.5.0-157] at org.apache.storm.util$async_loop$fn__554.invoke(util.clj:484) [storm-core-1.0.1.2.5.5.0-157.jar:1.0.1.2.5.5.0-157] at clojure.lang.AFn.run(AFn.java:22) [clojure-1.7.0.jar:?] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131] Caused by: java.lang.IllegalArgumentException: No enum constant org.apache.kafka.common.protocol.SecurityProtocol.PLAINTEXTSASL at java.lang.Enum.valueOf(Enum.java:238) ~[?:1.8.0_131] at org.apache.kafka.common.protocol.SecurityProtocol.valueOf(SecurityProtocol.java:28) ~[stormjar.jar:?] at org.apache.kafka.common.protocol.SecurityProtocol.forName(SecurityProtocol.java:89) ~[stormjar.jar:?] at org.apache.kafka.clients.ClientUtils.createChannelBuilder(ClientUtils.java:79) ~[stormjar.jar:?] at org.apache.kafka.clients.consumer.KafkaConsumer.&lt;init&gt;(KafkaConsumer.java:623) ~[stormjar.jar:?] ... 8 more </PRE> Wed, 15 Nov 2017 03:26:49 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/No-enum-constant-org-apache-kafka-common-protocol/m-p/196943#M71362 dms1122 2017-11-15T03:26:49Z https://community.cloudera.com/t5/Archives-of-Support-Questions/No-enum-constant-org-apache-kafka-common-protocol/m-p/196944#M71363 <P>The issue is resolved by using -PHDP-2.5.0.0 option when I compile metron.</P> Wed, 15 Nov 2017 21:34:33 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/No-enum-constant-org-apache-kafka-common-protocol/m-p/196944#M71363 dms1122 2017-11-15T21:34:33Z