Sep 12, 2022 11:02:39 AM hudson.plugins.ec2.EC2Cloud
INFO: Creating ~/.hudson-run-init
Sep 12, 2022 11:02:39 AM hudson.plugins.ec2.EC2Cloud
INFO: Verifying: java -fullversion
openjdk full version "1.8.0_332-b09"
Sep 12, 2022 11:02:39 AM hudson.plugins.ec2.EC2Cloud
INFO: Verifying: which scp
/usr/bin/scp
Sep 12, 2022 11:02:39 AM hudson.plugins.ec2.EC2Cloud
INFO: Copying remoting.jar to: /tmp
Sep 12, 2022 11:02:40 AM hudson.plugins.ec2.EC2Cloud
INFO: Launching remoting agent (via SSH client process): ssh -o StrictHostKeyChecking=no -i /tmp/ec2_6766237153533058907.pem jenkins@10.10.102.105 -p 22  java  -jar /tmp/remoting.jar -workDir /home/jenkins
[09/12/22 11:02:40] Launching agent
$ ssh -o StrictHostKeyChecking=no -i /tmp/ec2_6766237153533058907.pem jenkins@10.10.102.105 -p 22  java  -jar /tmp/remoting.jar -workDir /home/jenkins
Warning: Permanently added '10.10.102.105' (ECDSA) to the list of known hosts.
Error: A JNI error has occurred, please check your installation and try again
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
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:601)
ERROR: Unable to launch the agent for EC2 (ap-southeast-2) - admin (i-0b7aab3f7d7cc5efd)
java.io.EOFException: unexpected stream termination
	at hudson.remoting.ChannelBuilder.negotiate(ChannelBuilder.java:459)
	at hudson.remoting.ChannelBuilder.build(ChannelBuilder.java:404)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:437)
	at hudson.slaves.CommandLauncher.launch(CommandLauncher.java:170)
	at hudson.plugins.ec2.ssh.EC2UnixLauncher.launchScript(EC2UnixLauncher.java:270)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:48)
	at hudson.slaves.SlaveComputer.lambda$_connect$0(SlaveComputer.java:298)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:48)
	at jenkins.security.ImpersonatingExecutorService$2.call(ImpersonatingExecutorService.java:82)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)