Windows agent cannot be launched via Java Web Start

Issue

Windows agent can’t be launched via Java Web Start
You get logs in the agent like the ones below:

Error when connecting windows JNLP:

JNLP agent connected from /X.X.X.X

<===[JENKINS REMOTING CAPACITY]===>Slave.jar version: 2.47

This is a Windows agent

Slave successfully connected and online

ERROR: Connection terminated

java.io.IOException (https://stacktrace.jenkins-ci.org/search?query=java.io.IOException): Connection aborted: org.jenkinsci.remoting.nio.NioChannelHub$MonoNioTransport@4055660c[name=testslave]

at org.jenkinsci.remoting.nio.NioChannelHub$NioTransport.abort(NioChannelHub.java:211) (https://stacktrace.jenkins-ci.org/search/?query=org.jenkinsci.remoting.nio.NioChannelHub$NioTransport.abort&entity=method)

at org.jenkinsci.remoting.nio.NioChannelHub.run(NioChannelHub.java:631) (https://stacktrace.jenkins-ci.org/search/?query=org.jenkinsci.remoting.nio.NioChannelHub.run&entity=method)

Environment

CloudBees Jenkins Enterprise launched on Java 8
Windows agent launched on Java 6

Resolution

Update your Windows agent to use Java 8

This article is part of our Knowledge Base and is provided for guidance-based purposes only. The solutions or workarounds described here are not officially supported by CloudBees and may not be applicable in all environments. Use at your own discretion, and test changes in a safe environment before applying them to production systems.