Inbound agent connected from 172.17.0.1/172.17.0.1:39982
Remoting version: 3131.vf2b_b_798b_ce99
Launcher: JNLPLauncher
Communication Protocol: JNLP4-connect
This is a Unix agent
ERROR: Unexpected error in launching an agent. This is probably a bug in Jenkins
Also:   hudson.remoting.Channel$CallSiteStackTrace: Remote call to JNLP4-connect connection from 172.17.0.1/172.17.0.1:39982
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1784)
		at hudson.remoting.UserRequest$ExceptionResponse.retrieve(UserRequest.java:356)
		at hudson.remoting.Channel.call(Channel.java:1000)
		at hudson.FilePath.act(FilePath.java:1283)
		at org.jenkinsci.plugins.envinject.EnvInjectComputerListener.onOnline(EnvInjectComputerListener.java:144)
		at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:747)
		at jenkins.slaves.DefaultJnlpSlaveReceiver.afterChannel(DefaultJnlpSlaveReceiver.java:176)
		at org.jenkinsci.remoting.engine.JnlpConnectionState.fire(JnlpConnectionState.java:337)
		at org.jenkinsci.remoting.engine.JnlpConnectionState.fireAfterChannel(JnlpConnectionState.java:428)
		at org.jenkinsci.remoting.engine.JnlpProtocol4Handler$Handler.lambda$onChannel$0(JnlpProtocol4Handler.java:335)
		at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
		at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
		at jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)
		at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
		at java.base/java.util.concurrent.ThreadPoolExecutor$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 @219e9b44
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
	at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199)
	at java.base/java.lang.reflect.Method.setAccessible(Method.java:193)
	at org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.getModifiers(EnvInjectMasterEnvVarsSetter.java:29)
	at org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.call(EnvInjectMasterEnvVarsSetter.java:55)
	at org.jenkinsci.plugins.envinject.service.EnvInjectMasterEnvVarsSetter.call(EnvInjectMasterEnvVarsSetter.java:19)
	at hudson.remoting.UserRequest.perform(UserRequest.java:211)
	at hudson.remoting.UserRequest.perform(UserRequest.java:54)
	at hudson.remoting.Request$2.run(Request.java:377)
	at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:78)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:125)
	at java.base/java.lang.Thread.run(Thread.java:833)
Agent successfully connected and online