jtreg jdk test suite failures "Can't connect to X11 window server using ':10' as the value of the DISPLAY variable"

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This bug was fixed in the package openjdk-20 - 20+36~us1-0ubuntu1

---------------
openjdk-20 (20+36~us1-0ubuntu1) lunar; urgency=medium

  * OpenJDK 20 release, build 36. See:
    https://mail.openjdk.org/pipermail/jdk-dev/2023-March/007517.html
  * d/{control, compat}: update debhelper-compat version, add jtreg7
    dependencies, regenerate control.
  * d/t/{jdk,hotspot,jaxp,lantools}: run tier1 and tier2 jtreg tests only,
    add test options from OpenJDK makefile.
  * d/t/*: fix test environment: add missing -nativepath (LP: #2001563).
  * d/t/jdk: provide dbus session for the window manager (LP: #2001576).
  * d/p/build_gtest.patch: build OpenJDK with the system googletest
    (LP: #2012316).
  * d/p/*: add patches for jtreg tests:
    - disable-thumb-assertion.patch: fix JDK-8305481.
    - update-assertion-for-armhf.patch: fix JDK-8305480.
    - misalign-pointer-for-armhf.patch: packaging-specific patch to fix test
      failure introduced by d/p/m68k-support.diff.
    - log-generated-classes-test.patch: workaround JDK-8166162.
    - update-permission-test.patch: add security permissions for testng 7.
    - ldap-timeout-test-use-ip.patch, test-use-ip-address.patch: Ubuntu-specific
      patches to workaround missing DNS resolver on the build machines.
    - exclude_broken_tests.patch: quarantine failing tests.
  * d/rules: package external debug symbols (LP: #2015835).

 -- Vladimir Petko <email address hidden> Mon, 03 Apr 2023 11:27:49 +1200

This bug was fixed in the package openjdk-lts - 11.0.18+10-0ubuntu5

---------------
openjdk-lts (11.0.18+10-0ubuntu5) lunar; urgency=medium

  * d/control: add jtreg6 dependencies, regenerate control.
  * d/t/{jdk,hotspot,jaxp,lantools}: run tier1 and tier2 jtreg tests only,
    add test options from OpenJDK makefile.
  * d/t/*: fix test environment: add missing -nativepath (LP: #2001563).
  * d/t/jdk: provide dbus session for the window manager (LP: #2001576).
  * d/p/*: add patches for jtreg tests:
    - disable-thumb-assertion.patch: fix JDK-8305481.
    - update-assertion-for-armhf.patch: fix JDK-8305480.
    - log-generated-classes-test.patch: workaround JDK-8166162.
    - update-permission-test.patch: add security permissions for testng 7.
    - ldap-timeout-test-use-ip.patch, test-use-ip-address.patch: Ubuntu-specific
      patches to workaround missing DNS resolver on the build machines.
    - exclude_broken_tests.patch: quarantine failing tests.
  * d/rules: package external debug symbols (LP: #2015835).
  * drop d/p/{jaw-classpath.diff, jaw-optional.diff}: the atk wrapper is disabled
    and these patches cause class data sharing tests to fail (LP: #2016194).
  * d/p/exclude-broken-tests.patch: add OpenJDK 11 failures.
  * d/t/jtreg-autopkgtest.in: pass JTREG home to locate junit.jar, regenerate
    d/t/jtreg-autopkgtest.sh (LP: #2016206).
  * d/t/control.in: disable jtreg autopkgtests in line with openjdk 17,
    regenerate control (LP: #2016438).

 -- Vladimir Petko <email address hidden> Fri, 14 Apr 2023 11:29:59 +1200

Verification:
Refer to the build logs [1].
Some tests are excluded as they are not in tier1 or tier2.

Excluded tests (not in tier2 or tier2):

com/sun/java/swing/plaf/gtk/Test6635110.java
com/sun/java/swing/plaf/gtk/Test6963870.java
com/sun/java/swing/plaf/gtk/4928019/bug4928019.java
com/sun/java/swing/plaf/windows/Test6824600.java
com/sun/java/swing/plaf/windows/8016551/bug8016551.java
javax/accessibility/JList/AccessibleJListChildNPETest.java
javax/accessibility/JTable/JTableCellEditor.java
javax/accessibility/6192422/bug6192422.java
javax/accessib ility/SlowPanelIteration/SlowPanelIteration.java
javax/accessibility/6986385/bug6986385.java
javax/accessibility/JRootPaneAccessiblAtTest.java
javax/accessibility/6714324/TabbedPaneMemLeak.java
javax/accessibility/8017112/AccessibleIndexInParentTest.java
javax/accessibility/4170173/AccessibleJTextBeforeIndexTest.java
javax/accessibility/4170173/AccessibleJTextAfterIndexTest.java
javax/accessibility/AccessibleName/GetAccessibleNameTest.java
javax/accessibility/8069268/bug8069268.java
javax/accessibility/AccessibleJTableSelectionTest.java
javax/imageio/plugins/wbmp/WbmpDefaultImageMetadataTest.java
javax/imageio/plugins/wbmp/ValidWbmpTest.java
javax/imageio/plugins/wbmp/WBMPPluginTest.java
javax/imageio/plugins/wbmp/WbmpBigDestinationTest.java
javax/imageio/plugins/bmp/TopDownTest.java
javax/imageio/plugins/bmp/BmpDefaultImageMetadataTest.java
javax/imageio/plugins/bmp/ReaderListenersTest.java
javax/imageio/plugins/bmp/BmpBigDestinationTest.java
javax/imageio/plugins/bmp/Write3ByteBgrTest.java
javax/imageio/plugins/bmp/BMPWriteParamTest.java
javax/imageio/plugins/bmp/BMPCompressionTest.java
javax/imageio/plugins/bmp/BMPPluginTest.java
javax/imageio/plugins/bmp/RLECompressionTest.java
javax/imageio/plugins/bmp/EmbeddedFormatTest.java
javax/imageio/plugins/bmp/NoExtraBytesTest.java
javax/imageio/plugins/bmp/TestCompressionBI_BITFIELDS.java
javax/imageio/plugins/bmp/RleEncodingTest.java
javax/imageio/plugins/bmp/BMPSubsamplingTest.java
javax/imageio/plugins/bmp/WritingColorChangeTest.java
javax/imageio/plugins/jpeg/ConcurrentWritingTest.java
javax/imageio/plugins/jpeg/ConcurrentReadingTest.java
javax/imageio/plugins/jpeg/JPEGsNotAcceleratedTest.java
javax/imageio/plugins/jpeg/WritingInterruptionTest.java
javax/imageio/plugins/jpeg/DestTypeTest.java
javax/imageio/plugins/jpeg/ByteBinaryTest.java
javax/imageio/plugins/jpeg/JpegWriterLeakTest.java
javax/imageio/plugins/jpeg/ReadAsGrayTest.java
javax/imageio/plugins/jpeg/MagentaEXIFTest.java
javax/imageio/plugins/jpeg/ReadingInterruptionTest.java
javax/imageio/plugins/jpeg/CompressionBug.java
javax/imageio/plugins/shared/ImageWriterCompressionTest.java
javax/imageio/plugins/shared/RepeatingWriteTest.java
javax/imageio/plugins/shared/WriteAfterAbort.java
javax/imageio/plugins/shared/BitDepth.java
javax/imageio/plugins/tiff/MultiPageImageTIFFFieldTest.java
javax/imageio/plugins/tiff/TIFFDirectoryWriteReadTest.java
javax/imageio/plugins/tiff/ReadUnknownTagsTest.java
javax/imageio/plugins/tiff/MultiPageTest/MultiPageTest.java
javax/imageio/plugins/tiff/WriteToSequenceAfterAbort.java
javax/imageio/plugins/tiff/IFDTest.java
javax/imageio/plugins/tiff/TIFFImag...

This is a full list of "failed to connect to display" failures

This bug was fixed in the package openjdk-17 - 17.0.6+10-1ubuntu3

---------------
openjdk-17 (17.0.6+10-1ubuntu3) lunar; urgency=medium

  * d/control: add jtreg6 dependencies, regenerate control.
  * d/t/{jdk,hotspot,jaxp,lantools}: run tier1 and tier2 jtreg tests only,
    add test options from OpenJDK makefile.
  * d/t/*: fix test environment: add missing -nativepath (LP: #2001563).
  * d/t/jdk: provide dbus session for the window manager (LP: #2001576).
  * d/p/build_gtest.patch: build OpenJDK with the system googletest
    (LP: #2012316).
  * d/p/*: add patches for jtreg tests:
    - disable-thumb-assertion.patch: fix JDK-8305481.
    - update-assertion-for-armhf.patch: fix JDK-8305480.
    - misalign-pointer-for-armhf.patch: packaging-specific patch to fix test
      failure introduced by d/p/m68k-support.diff.
    - log-generated-classes-test.patch: workaround JDK-8166162.
    - update-permission-test.patch: add security permissions for testng 7.
    - ldap-timeout-test-use-ip.patch, test-use-ip-address.patch: Ubuntu-specific
      patches to workaround missing DNS resolver on the build machines.
    - exclude_broken_tests.patch: quarantine failing tests.
  * d/rules: package external debug symbols (LP: #2015835).
  * drop d/p/{jaw-classpath.diff, jaw-optional.diff}: the atk wrapper is disabled
    and these patches cause class data sharing tests to fail (LP: #2016194).
  * d/p/exclude-broken-tests.patch: add OpenJDK 17 failures.
  * d/t/jtreg-autopkgtest.in: pass JTREG home to locate junit.jar, regenerate
    d/t/jtreg-autopkgtest.sh (LP: #2016206).

 -- Vladimir Petko <email address hidden> Mon, 27 Mar 2023 11:41:46 +1300