[2025-04-12T20:49:55.613Z Choupisson] Inbound agent connected from 10.35.112.22
[2025-04-12T20:49:55.796Z Choupisson] java.lang.UnsupportedClassVersionError: hudson/slaves/SlaveComputer$SlaveVersion has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
[2025-04-12T20:49:55.797Z Choupisson]     at java.base/java.lang.ClassLoader.defineClass1(Native Method)
[2025-04-12T20:49:55.797Z Choupisson]     at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1017)
[2025-04-12T20:49:55.797Z Choupisson]     at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:878)
[2025-04-12T20:49:55.797Z Choupisson]     at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:470)
[2025-04-12T20:49:55.797Z Choupisson] Also:   hudson.remoting.Channel$CallSiteStackTrace: Remote call to Choupisson
[2025-04-12T20:49:55.797Z Choupisson]             at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1923)
[2025-04-12T20:49:55.797Z Choupisson]             at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
[2025-04-12T20:49:55.797Z Choupisson]             at hudson.remoting.Channel.call(Channel.java:1112)
[2025-04-12T20:49:55.797Z Choupisson]             at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:663)
[2025-04-12T20:49:55.797Z Choupisson]             at jenkins.slaves.DefaultJnlpSlaveReceiver.afterChannel(DefaultJnlpSlaveReceiver.java:176)
[2025-04-12T20:49:55.797Z Choupisson]             at org.jenkinsci.remoting.engine.JnlpConnectionState.fire(JnlpConnectionState.java:336)
[2025-04-12T20:49:55.797Z Choupisson]             at org.jenkinsci.remoting.engine.JnlpConnectionState.fireAfterChannel(JnlpConnectionState.java:427)
[2025-04-12T20:49:55.797Z Choupisson]             at jenkins.agents.WebSocketAgents$Session.lambda$opened$2(WebSocketAgents.java:139)
[2025-04-12T20:49:55.797Z Choupisson]             at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
[2025-04-12T20:49:55.797Z Choupisson]             at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
[2025-04-12T20:49:55.797Z Choupisson]             at jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)
[2025-04-12T20:49:55.797Z Choupisson]             at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
[2025-04-12T20:49:55.797Z Choupisson]             at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
[2025-04-12T20:49:55.797Z Choupisson]             at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
[2025-04-12T20:49:55.797Z Choupisson]             at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
[2025-04-12T20:49:55.797Z Choupisson]             at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-04-12T20:49:55.797Z Choupisson] Caused: java.lang.UnsupportedClassVersionError: Failed to load hudson.slaves.SlaveComputer$SlaveVersion
[2025-04-12T20:49:55.797Z Choupisson]     at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:472)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.RemoteClassLoader.loadRemoteClass(RemoteClassLoader.java:301)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.RemoteClassLoader.loadWithMultiClassLoader(RemoteClassLoader.java:277)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:236)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:589)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.lang.Class.forName0(Native Method)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.lang.Class.forName(Class.java:398)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:133)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1995)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1862)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2169)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1679)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:493)
[2025-04-12T20:49:55.798Z Choupisson]     at java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:451)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.UserRequest.deserialize(UserRequest.java:312)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.UserRequest.perform(UserRequest.java:196)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.UserRequest.perform(UserRequest.java:50)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.Request$2.run(Request.java:391)
[2025-04-12T20:49:55.798Z Choupisson]     at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)