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Test failure in Test_org_eclipse_swt_widgets_Text on Windows x86 64-bit with Java 21 #3534
Test failure on Windows x86 64-bit with Java 21
The test org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Text is failing on Windows x86 64-bit with Java 21.
The stack trace is attached below :
expected: <0 10 1> but was: <230 1>
org.opentest4j.AssertionFailedError: expected: <0
10
1> but was: <230
1>
at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)
at org.junit.jupiter.api.AssertEquals.failNotEqual(AssertEquals.java:197)
at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:182)
at org.junit.jupiter.api.AssertEquals.assertEquals(AssertEquals.java:177)
at org.junit.jupiter.api.Assertions.assertEquals(Assertions.java:1145)
at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Text.test_paste(Test_org_eclipse_swt_widgets_Text.java:957)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
Suppressed: java.lang.RuntimeException: AwtScreenshot VM finished with exit code 1:
Exception in thread "main" java.awt.AWTError: no screen devices
at java.desktop/sun.awt.Win32GraphicsEnvironment.getDefaultScreenDevice(Win32GraphicsEnvironment.java:101)
at java.desktop/java.awt.Robot.<init>(Robot.java:135)
at org.eclipse.test.AwtScreenshot.main(AwtScreenshot.java:43)
at org.eclipse.test.AwtScreenshot.dumpAwtScreenshot(AwtScreenshot.java:113)
at org.eclipse.test.Screenshots.takeScreenshot(Screenshots.java:102)
at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Widget.lambda$1(Test_org_eclipse_swt_widgets_Widget.java:79)
at java.base/java.util.Optional.ifPresent(Optional.java:178)
at org.eclipse.swt.tests.junit.Test_org_eclipse_swt_widgets_Widget.lambda$0(Test_org_eclipse_swt_widgets_Widget.java:75)
... 2 more
Environment:
Select the platform(s) on which the behavior is seen:
Activity
HeikoKlare commentedon Aug 21, 2026
Other
Textclipboard tests were also recognizable as flaky in the last weeks again, just like in the past: