[ https://issues.apache.org/jira/browse/KAFKA-5620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Guozhang Wang resolved KAFKA-5620. ---------------------------------- Resolution: Fixed Fix Version/s: 1.0.0 Issue resolved by pull request 3556 [https://github.com/apache/kafka/pull/3556] > SerializationException in doSend() masks class cast exception > ------------------------------------------------------------- > > Key: KAFKA-5620 > URL: https://issues.apache.org/jira/browse/KAFKA-5620 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.11.0.0 > Reporter: Jeremy Custenborder > Assignee: Jeremy Custenborder > Fix For: 1.0.0 > > > I misconfigured my Serializer and passed a byte array to BytesSerializer. > This caused the following exception to be thrown. > {code} > org.apache.kafka.common.errors.SerializationException: Can't convert value of > class [B to class org.apache.kafka.common.serialization.BytesSerializer > specified in value.serializer > {code} > This doesn't provide much detail because it strips the ClassCastException. It > made figuring this out much more difficult. The real value was the inner > exception which was: > {code} > [B cannot be cast to org.apache.kafka.common.utils.Bytes > {code} > We should include the ClassCastException. -- This message was sent by Atlassian JIRA (v6.4.14#64029)