WARNING [com.hazelcast.nio.tcp.TcpIpConnection] java.lang.IllegalStateException: TLS handshake header detected, but plain protocol header was expected

Products

• Data Loss Prevention Core Package

Issue/Introduction

Warnings repeat in localhost log on Enforce.

Environment

DLP 16.1

Cause

WARNING [com.hazelcast.nio.tcp.TcpIpConnection] [127.0.0.1]:5703 [enforceMessaging] [3.12.13] Connection[id=436, /127.0.0.1:5703->/127.0.0.1:55559, qualifier=null, endpoint=null, alive=false, type=NONE] closed. Reason: Exception in Connection[id=436, /127.0.0.1:5703->/127.0.0.1:55559, qualifier=null, endpoint=null, alive=true, type=NONE], thread=hz._hzInstance_1_enforceMessaging.IO.thread-in-0
Cause:
java.lang.IllegalStateException: TLS handshake header detected, but plain protocol header was expected.java.lang.IllegalStateException: TLS handshake header detected, but plain protocol header was expected.
    at com.hazelcast.nio.tcp.UnifiedProtocolDecoder.loadProtocol(UnifiedProtocolDecoder.java:125)
    at com.hazelcast.nio.tcp.UnifiedProtocolDecoder.onRead(UnifiedProtocolDecoder.java:87)
    at com.hazelcast.internal.networking.nio.NioInboundPipeline.process(NioInboundPipeline.java:135)
    at com.hazelcast.internal.networking.nio.NioThread.processSelectionKey(NioThread.java:369)
    at com.hazelcast.internal.networking.nio.NioThread.processSelectionKeys(NioThread.java:354)
    at com.hazelcast.internal.networking.nio.NioThread.selectLoop(NioThread.java:280)
    at com.hazelcast.internal.networking.nio.NioThread.run(NioThread.java:235)

Resolution

Warnings do not appear to affect the function of the software.