Re: jedit-5.5.0 broken after OS-upgrade to Ubuntu-18.04. 64-bit

2018-08-23 13:36 GMT+02:00 Thomas Morley <[email protected]>:
> Hi all,
>
> after OS-upgrade to Ubuntu-18.04, 64-bit jEdit (now version 5.5.0) seems broken.
>
>
> ~$ jedit
> 1:24:29 PM [main] [error] main: Exception in thread "main"
> 1:24:29 PM [main] [error] main: java.awt.AWTError: Assistive
> Technology not found: org.GNOME.Accessibility.AtkWrapper
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.Toolkit.newAWTError(Toolkit.java:472)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:488)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1608)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:532)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:613)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1342)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480)
> 1:24:29 PM [main] [error] main:  at
> org.gjt.sp.jedit.GUIUtilities.showSplashScreen(GUIUtilities.java:1957)
> 1:24:29 PM [main] [error] main:  at org.gjt.sp.jedit.jEdit.main(jEdit.java:389)
> 1:24:29 PM [main] [error] main: Caused by:
> java.lang.ClassNotFoundException: org.GNOME.Accessibility.AtkWrapper
> 1:24:29 PM [main] [error] main:  at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
> 1:24:29 PM [main] [error] main:  at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.lang.Class.forName0(Native Method)
> 1:24:29 PM [main] [error] main:  at
> java.base/java.lang.Class.forName(Class.java:374)
> 1:24:29 PM [main] [error] main:  at
> java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:485)
> 1:24:29 PM [main] [error] main:  ... 15 more
>
>
> ~$ java -version
> openjdk version "10.0.2" 2018-07-17
> OpenJDK Runtime Environment (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.1)
> OpenJDK 64-Bit Server VM (build 10.0.2+13-Ubuntu-1ubuntu0.18.04.1, mixed mode)
>
>
> ~$ update-alternatives --config java
> There are 2 choices for the alternative java (providing /usr/bin/java).
>
>   Selection    Path                                            Priority   Status
> ------------------------------------------------------------
> * 0            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1101
>    auto mode
>   1            /usr/lib/jvm/java-11-openjdk-amd64/bin/java      1101
>    manual mode
>   2            /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java   1081
>    manual mode
>
>
>
> Not sure what to do now.
> Any hint is highly appreciated.
>
>
> Thanks,
>   Harm

To answer my own question.

I did:
~$ sudo nano /etc/java-11-openjdk/accessibility.properties
and commented the line:
assistive_technologies=org.GNOME.Accessibility.AtkWrapper

Though, why is this needed??


Cheers,
  Harm

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