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Julian commented on KAFKA-3702: ------------------------------- Hi, I came across this issue while searching in relation to the other two jiras I have been commenting for which this same error is also cropping up. I think these may all be related... Regardless, it all points to kafka 0.10 versions.. this issue has been in our clusters for near 2 years now... https://issues.apache.org/jira/browse/KAFKA-5649 https://issues.apache.org/jira/browse/SPARK-21453 > SslTransportLayer.close() does not shutdown gracefully > ------------------------------------------------------ > > Key: KAFKA-3702 > URL: https://issues.apache.org/jira/browse/KAFKA-3702 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.10.0.0 > Reporter: Rajini Sivaram > Assignee: Rajini Sivaram > Priority: Major > > The warning "Failed to send SSL Close message" occurs very frequently when > SSL connections are closed. Close should write outbound data and shutdown > gracefully. -- This message was sent by Atlassian Jira (v8.3.4#803005)