We have a Java transport client which worked fine with 6.2 jars on a 6.2 cluster but cannot connect anymore after 6.5.3 upgrade of both client and server. We did the following upgrade jars to 6.5.3 recompiled our client upgraded one node of our cluster in 6.5.3 Run our 6.5.3 client against this 6…

Hi David, I had a couple of old x-pack-6.2-XXX.jar in my CLASSPATH and I missed it (the list is becoming very long those days). Sorry for that. I missed this maven dependency in the upgrade from 6.2 to 6.5 <dependency> <groupId>org.elasticsearch.client</groupId> <artifactId>x-pack…

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Java transport client do not work after upgrade to 6.5.3

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DavidTurner (David Turner) December 23, 2018, 9:50am 3

I think you have a stale dependency somewhere within your client. In 6.3+, XPackClientPlugin does not try and register a persistent_tasks named writeable, but it did in 6.2.

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