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I recently upgraded my ubuntu sony vaio laptop from 16.04 to 18.04 and now that this has been completed I can't seem to open an important marking programme that I use to mark and return student work. The software in question is written for my university in java code to enable it to run on any operating system. I have previously opened the software up in Java 7 and Java 8 using previous versions of ubuntu. I have not experienced this problem before and was surprised. I need a solution urgently and would be most grateful for any suggestions. Thank you.

My sony viao specs are: Memory 2.0 GiB Intel® Core™2 CPU T7200 @ 2.00GHz × 2 Intel® 945GM x86/MMX/SSE2 GNOME 3.28.2 OS type 32-bit Disk 310.8 GB

Error message when opening java file in terminal with /home/sabirah/Desktop/etmaHandlerJLinux/etmaHandlerJLinux as follows:

Exception in thread "main" java.awt.AWTError: Assistive Technology not found: org.GNOME.Accessibility.AtkWrapper
    at java.desktop/java.awt.Toolkit.newAWTError(Toolkit.java:472)
    at java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:488)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
    at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1608)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
    at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
    at java.desktop/java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:532)
    at java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:613)
    at java.desktop/java.awt.Toolkit.getEventQueue(Toolkit.java:1494)
    at java.desktop/java.awt.EventQueue.invokeLater(EventQueue.java:1312)
    at etmaHandler.EtmaHandlerJ.main(EtmaHandlerJ.java:11417)
Caused by: java.lang.ClassNotFoundException: org.GNOME.Accessibility.AtkWrapper
    at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
    at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
    at java.base/java.lang.Class.forName0(Native Method)
    at java.base/java.lang.Class.forName(Class.java:374)
    at java.desktop/java.awt.Toolkit.fallbackToLoadClassForAT(Toolkit.java:485)
    ... 14 more
N0rbert
  • 103,263

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