Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to JNLP4-connect connection from XX.YY.ZZ.WW/XX.YY.ZZ.WW:47130 at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1741) at hudson.remoting.UserResponse.retrieve(UserRequest.java:389) at hudson.remoting.Channel.call(Channel.java:955) at hudson.Launcher$RemoteLauncher.launch(Launcher.java:1059) at hudson.Launcher$ProcStarter.start(Launcher.java:455) at org.jenkinsci.plugins.xvfb.Xvfb.launchXvfb(Xvfb.java:587) at org.jenkinsci.plugins.xvfb.Xvfb.setUp(Xvfb.java:697) at org.jenkinsci.plugins.workflow.steps.CoreWrapperStep$Execution.start(CoreWrapperStep.java:80) at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:270) at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:178) at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122) at sun.reflect.GeneratedMethodAccessor694.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:42) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:157) at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:23) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:155) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:155) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:159) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:129) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:129) at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:17) at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82) at sun.reflect.GeneratedMethodAccessor317.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72) at com.cloudbees.groovy.cps.impl.ClosureBlock.eval(ClosureBlock.java:46) at com.cloudbees.groovy.cps.Next.step(Next.java:83) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163) at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129) at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268) at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$101(SandboxContinuable.java:34) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.lambda$run0$0(SandboxContinuable.java:59) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:58) at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:182) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:83) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:244) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:232) at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) java.lang.IllegalAccessError: tried to access field hudson.remoting.Channel.executor from class org.jenkinsci.remoting.util.AnonymousClassWarnings at org.jenkinsci.remoting.util.AnonymousClassWarnings.check(AnonymousClassWarnings.java:65) at org.jenkinsci.remoting.util.AnonymousClassWarnings$1.annotateClass(AnonymousClassWarnings.java:121) at java.io.ObjectOutputStream.writeNonProxyDesc(ObjectOutputStream.java:1290) at java.io.ObjectOutputStream.writeClassDesc(ObjectOutputStream.java:1231) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1427) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) at hudson.console.ConsoleNote.encodeToBytes(ConsoleNote.java:185) at hudson.console.ConsoleNote.encode(ConsoleNote.java:211) at hudson.plugins.timestamper.TimestampNotesOutputStream.eol(TimestampNotesOutputStream.java:70) at hudson.console.LineTransformationOutputStream.eol(LineTransformationOutputStream.java:60) at hudson.console.LineTransformationOutputStream.write(LineTransformationOutputStream.java:56) at hudson.console.LineTransformationOutputStream.write(LineTransformationOutputStream.java:74) at java.io.PrintStream.write(PrintStream.java:480) at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221) at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291) at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104) at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:185) at java.io.PrintStream.newLine(PrintStream.java:546) at java.io.PrintStream.println(PrintStream.java:807) at hudson.Launcher.printCommandLine(Launcher.java:763) at hudson.Launcher.maskedPrintCommandLine(Launcher.java:790) at hudson.Launcher$LocalLauncher.launch(Launcher.java:922) at hudson.Launcher$ProcStarter.start(Launcher.java:455) at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:1313) at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:1266) at hudson.remoting.UserRequest.perform(UserRequest.java:210) at hudson.remoting.UserRequest.perform(UserRequest.java:53) at hudson.remoting.Request$2.run(Request.java:358) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at hudson.remoting.Engine$1$1.run(Engine.java:94) Caused: java.io.IOException: Remote call on JNLP4-connect connection from XX.YY.ZZ.WW/XX.YY.ZZ.WW:47130 failed at hudson.remoting.Channel.call(Channel.java:961) at hudson.Launcher$RemoteLauncher.launch(Launcher.java:1059) at hudson.Launcher$ProcStarter.start(Launcher.java:455) at org.jenkinsci.plugins.xvfb.Xvfb.launchXvfb(Xvfb.java:587) at org.jenkinsci.plugins.xvfb.Xvfb.setUp(Xvfb.java:697) at org.jenkinsci.plugins.workflow.steps.CoreWrapperStep$Execution.start(CoreWrapperStep.java:80) at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:270) at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:178) at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122) at sun.reflect.GeneratedMethodAccessor694.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:42) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:157) at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:23) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:155) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:155) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:159) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:129) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:129) at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:17) at WorkflowScript.run(WorkflowScript:9) at ___cps.transform___(Native Method) at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82) at sun.reflect.GeneratedMethodAccessor317.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72) at com.cloudbees.groovy.cps.impl.ClosureBlock.eval(ClosureBlock.java:46) at com.cloudbees.groovy.cps.Next.step(Next.java:83) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163) at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129) at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268) at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$101(SandboxContinuable.java:34) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.lambda$run0$0(SandboxContinuable.java:59) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:58) at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:182) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:83) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:244) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:232) at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Finished: FAILURE