Jenkins setup:
Inbound agent connected from 10.2.108.240
Remoting version: 3261.v9c670a_4748a_9
Launcher: JNLPLauncher
Communication Protocol: WebSocket
This is a Windows agent
ERROR: Unexpected error in launching an agent. This is probably a bug in Jenkins
Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to AE_MBE_SimPC
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1923)
at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:384)
at hudson.remoting.Channel.call(Channel.java:1112)
at hudson.FilePath.act(FilePath.java:1319)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.EnvInjectComputerListener.onOnline(EnvInjectComputerListener.java:144)
at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:751)
at jenkins.slaves.DefaultJnlpSlaveReceiver.afterChannel(DefaultJnlpSlaveReceiver.java:176)
at org.jenkinsci.remoting.engine.JnlpConnectionState.fire(JnlpConnectionState.java:336)
at org.jenkinsci.remoting.engine.JnlpConnectionState.fireAfterChannel(JnlpConnectionState.java:427)
at jenkins.agents.WebSocketAgents$Session.lambda$opened$2(WebSocketAgents.java:139)
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
at jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
java.lang.reflect.InaccessibleObjectException: Unable to make private native java.lang.reflect.Field java.lang.Class.getDeclaredFields0(boolean) accessible: module java.base does not “opens java.lang” to unnamed module @6757f919
at java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:391)
at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:367)
at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:315)
at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:203)
at java.base/java.lang.reflect.Method.setAccessible(Method.java:197)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.getModifiers(EnvInjectMasterEnvVarsSetter.java:29)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.call(EnvInjectMasterEnvVarsSetter.java:67)
at PluginClassLoader for envinject//org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.call(EnvInjectMasterEnvVarsSetter.java:19)
at hudson.remoting.UserRequest.perform(UserRequest.java:225)
at hudson.remoting.UserRequest.perform(UserRequest.java:50)
at hudson.remoting.Request$2.run(Request.java:391)
at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:81)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:140)
at java.base/java.lang.Thread.run(Thread.java:1583)
Agent successfully connected and online