I'm trying to run JavaFX UI tests using TestFX on a headless Jenkins server (Ubuntu / Debian). I've gotten to the point where the UI is actually started by Jenkins, but then the test fail with a "no suitable pipeline found". Any suggestions how to fix that?
:*test* Executing task ':test' (up-to-date check took 0.054 secs) due to: No history is available. Starting process 'Gradle Worker 1'. Working directory: /var/lib/jenkins/workspace/JFXtras8.0 Command: /usr/lib/jvm/jdk1.8.0-ea/bin/java -Djava.security.manager=jarjar.org.gradle.process.internal.child.BootstrapSecurityManager -Dfile.encoding=UTF-8 -ea -cp /var/lib/jenkins/.gradle/caches/1.9/workerMain/gradle-worker.jar jarjar.org.gradle.process.internal.launcher.GradleWorkerMain Successfully started process 'Gradle Worker 1' Gradle Worker 1 executing tests. jfxtras.labs.scene.control.test.ListSpinnerEditableTest > enterSelectValueByTyping STANDARD_ERROR Graphics Device initialization failed for : es2, sw Error initializing QuantumRenderer: no suitable pipeline found java.lang.RuntimeException: java.lang.RuntimeException: Error initializing QuantumRenderer: no suitable pipeline found at com.sun.javafx.tk.quantum.QuantumRenderer.getInstance(QuantumRenderer.java:300) at com.sun.javafx.tk.quantum.QuantumToolkit.init(QuantumToolkit.java:244) at com.sun.javafx.tk.Toolkit.getToolkit(Toolkit.java:179) at com.sun.javafx.application.PlatformImpl.startup(PlatformImpl.java:210) at com.sun.javafx.application.LauncherImpl.startToolkit(LauncherImpl.java:653) at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:678) at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:56) at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:158) at java.lang.Thread.run(Thread.java:744) Caused by: java.lang.RuntimeException: Error initializing QuantumRenderer: no suitable pipeline found at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.init(QuantumRenderer.java:98) at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:128) ... 1 more Exception in thread "Thread-4" java.lang.RuntimeException: No toolkit found at com.sun.javafx.tk.Toolkit.getToolkit(Toolkit.java:191) at com.sun.javafx.application.PlatformImpl.startup(PlatformImpl.java:210) at com.sun.javafx.application.LauncherImpl.startToolkit(LauncherImpl.java:653) at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:678) at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:56) at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:158) at java.lang.Thread.run(Thread.java:744)