我有一些最近失败的测试，原因如下:没有设置 X11 DISPLAY 变量，但是这个程序执行了一个需要它的操作。
这是完整的堆栈跟踪:
testGetDialog(simple.marauroa.application.core.IAddApplicationDialogProviderTest) Time elapsed: 112 sec <<< ERROR!
java.awt.HeadlessException:
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159)
at java.awt.Window.<init>(Window.java:431)
at java.awt.Frame.<init>(Frame.java:403)
at java.awt.Frame.<init>(Frame.java:368)
at javax.swing.SwingUtilities$SharedOwnerFrame.<init>(SwingUtilities.java:1733)
at javax.swing.SwingUtilities.getSharedOwnerFrame(SwingUtilities.java:1810)
at javax.swing.JDialog.<init>(JDialog.java:253)
at javax.swing.JDialog.<init>(JDialog.java:187)
at javax.swing.JDialog.<init>(JDialog.java:135)
at simple.marauroa.application.core.IAddApplicationDialogProviderTest$IAddApplicationDialogProviderImpl.getDialog(IAddApplicationDialogProviderTest.java:97)
at simple.marauroa.application.core.IAddApplicationDialogProviderTest.testGetDialog(IAddApplicationDialogProviderTest.java:49)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
在提到的代码行中就是这样:
return new JDialog();
我想这与 Jenkins 环境没有启用某些功能有关。如何解决这个问题？
我可以禁用该测试，但我为什么要这样做？
最佳答案
您需要使用 XVNC(或 XVFB)在虚拟( headless )图形环境中运行构建。参见 wiki.cloudbees.com/bin/view/DEV/Testing+GUI+applications .
编辑 20/01/2016:
上面的链接不再将您带到包含相关信息的页面。此链接显示当时的页面:https://web.archive.org/web/20120717015714/http://wiki.cloudbees.com/bin/view/DEV/Testing+GUI+applications
关于testing - 没有设置 X11 DISPLAY 变量，但是这个程序执行了一个需要它的操作，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/12533339/