Jenkins启动节点报错： Exception in thread “main“ java.lang.UnsupportedClassVersionError: hudson/remoting_jenkins exception in thread "main" java.lang.unsup

作者：我家自动化 | 2024-08-23 02:58:08

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jenkins exception in thread "main" java.lang.unsupportedclassversionerror: h

报错信息如下：

[05/05/24 14:18:35] [SSH] Starting agent process: cd "/home/jenkins" && /usr/local/jdk/jdk1.8.0_391/bin/java  -jar remoting.jar -workDir /home/jenkins -jar-cache /home/jenkins/remoting/jarCache
Exception in thread "main" java.lang.UnsupportedClassVersionError: hudson/remoting/Launcher has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
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错误原因：
由于Jenkins的运行环境是Java11，但是节点的运行环境是Java1.8导致。

错误解决办法：
把节点配置里的Jdk路径改为11以上即可。当然如果你项目运行必须用Java1.8，你可以先把jdk路径改为11以上，节点启动成功后，再改回1.8

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