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Thrown repeatedly in 070521 when editing Java source files (not trying to use Schliemann at all).
Created attachment 42618 [details] Stack trace
Thrown when using code completion, BTW.
Still thrown over and over in 070522 while I am trying to edit Java sources. Quite annoying.
Do not see it in a fresh userdir, but happening a lot in my normal userdir. Not sure what the difference is. Besides the modules in the standard build, I have .languages.properties and .languages.studio installed from AU. In ParserManagerImpl, the constructor seems to suppress the parsing for unsupported MIME types. On the other hand, the code in getLanguage which returns a Language even for an unsupported MIME type looks suspicious.
I am seeing it every second when switching to another editor, or output ... I also reused previously created userdir.
You should delete userdir\config\Editors\* and userdir\config\Navigator\Panels\*. There was some bug in past that created some registrations for Schliemann there. It should help. Feel free to reopen this issue otherwise.