Using Elasticsearch 7.6.1 with SSL enabled we noticed the following error being logged in Elasticsearch logs [WARN ][o.e.h.AbstractHttpServerTransport] [host] caught exception while handling client http traffic, closing connection Netty4HttpChannel{localAddress=/hostname:9200, remoteAddress=/hostna…

io.netty.handler.codec.DecoderException: javax.net.ssl.SSLException: Session has no PSK

ikakavas (Ioannis Kakavas) May 21, 2020, 10:59am 2

This looks like https://bugs.openjdk.java.net/browse/JDK-8241248. Are you running with the bundled jdk ? Can you share your transport TLS configuration and how you generated the keys/certificates you are using?

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io.netty.handler.codec.DecoderException: javax.net.ssl.SSLException: Session has no PSK

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