[xubuntu-users] JEdit broken by upgrade

[Brian]

On 08/29/2018 08:38 AM, Michele Mor wrote:
> Hi Brian,
> Jedit is based on java, so I would check which version of java is
> supported and if you have it installed.
> It could be that Ubuntu has upgraded to a new version while your jedit
> still expects an older one.
> 

Thanks. I've managed to find some more information which seems relevant.

> https://askubuntu.com/questions/695560/assistive-technology-not-found-awterror

I've got to work my way through the options there. I'll post again
when I've had time to do so.

Brian.


> Regards,
> Michele
> 
> 
> On Wed, 29 Aug 2018, 12:48 pm Brian, <b_lists at patandbrian.org
> <mailto:b_lists at patandbrian.org>> wrote:
> 
>     I make occasional use of JEdit in sending a large text file where the
>     recipient is limited to 13,000 character e-mails - JEdit gives me a
>     running character count of what's in the cut-and-paste buffer, very
>     convenient!
> 
>     As part of either the upgrade to 18.04 OR an upgrade of 18.04 (i.e. I
>     can't remember whether JEdit has ever run successfully under 18.04 or
>     not) something has broken, and I get a yard or so of Java error
>     messages when I try to run JEdit from a terminal (see below).
> 
>     I'm afraid Java is a total mystery to me. So is anyone capable of
>     deciphering this for me? I've tried purging JEdit and reinstalling it,
>     the installation works just fine, no error messages. I've tried
>     reinstalling all the Java stuff I can find through Synaptic, same
>     again, no errors. If you know as much about Java as I do, then I guess
>     a secondary question is whether anyone can successfully run JEdit
>     under 18.04?
> 
>     OK, all the errors that I get are blow. Thanks for any assistance.
> 
> 
>     Brian.
> 
> 
>     > jedit
>     > 7:34:08 AM [main] [error] main: Exception in thread "main"
>     > 7:34:08 AM [main] [error] main: java.awt.AWTError: Assistive
>     Technology not found: org.GNOME.Accessibility.AtkWrapper
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.Toolkit.newAWTError(Toolkit.java:472)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:488)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1608)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:532)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:613)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.EventQueue.invokeAndWait(EventQueue.java:1342)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/javax.swing.SwingUtilities.invokeAndWait(SwingUtilities.java:1480)
>     > 7:34:08 AM [main] [error] main:  at
>     org.gjt.sp.jedit.GUIUtilities.showSplashScreen(GUIUtilities.java:1957)
>     > 7:34:08 AM [main] [error] main:  at
>     org.gjt.sp.jedit.jEdit.main(jEdit.java:389)
>     > 7:34:08 AM [main] [error] main: Caused by:
>     java.lang.ClassNotFoundException: org.GNOME.Accessibility.AtkWrapper
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.lang.Class.forName0(Native Method)
>     > 7:34:08 AM [main] [error] main:  at
>     java.base/java.lang.Class.forName(Class.java:374)
>     > 7:34:08 AM [main] [error] main:  at
>     java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:485)
>     > 7:34:08 AM [main] [error] main:  ... 15 more
>     > brian at brian-ubuntu:~$
> 
> 
> 
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