freeplane does not start

[MMS-Prodeia]

Bionic:

Installed freeplane with 'apt install freeplane' and when trying to start:

$ freeplane
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$OfRef.evaluateSequential(ForEachOps.java:173)
        at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
        at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497)
        at java.desktop/java.awt.Toolkit.loadAssistiveTechnologies(Toolkit.java:532)
        at java.desktop/java.awt.Toolkit.getDefaultToolkit(Toolkit.java:613)
        at org.freeplane.launcher.Launcher.fixX11AppName(Launcher.java:51)
        at org.freeplane.launcher.Launcher.main(Launcher.java:65)
Caused by: java.lang.ClassNotFoundException: org.GNOME.Accessibility.AtkWrapper
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
        at java.base/jdk.internal.loader.ClassLoaders$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)
        ... 13 more

$ acp freeplane
freeplane:
  Installiert: 1.6.13-1
  Installationskandidat: 1.6.13-1
  Versionstabelle:
 *** 1.6.13-1 500
        500 http://de.archive.ubuntu.com/ubuntu bionic/universe amd64 Packages
        500 http://de.archive.ubuntu.com/ubuntu bionic/universe i386 Packages
        100 /var/lib/dpkg/status

[MMS-Prodeia (mms-prodeia)]

Workaround:
Commenting out
assistive_technologies=org.GNOME.Accessibility.AtkWrapper
in
/etc/java-11-openjdk/accessibility.properties

fixes the startup

[Felix Natter (fnatter)]

Unfortunately, this is a generic OpenJDK issue:
https://bugs.launchpad.net/ubuntu/+source/freeplane/+bug/1788250