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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">Thanks. Yes, I was 99% sure this wouldn't be about your code.</p> <p style="margin: 10px 0 0 0">Class loader and runtime environment: sorry, I'm a bit clueless about specifics on this and all I can do is describe the setup:</p> <p style="margin: 10px 0 0 0">Java 1.8... and the time when this happened was when running a "fat jar" (i.e. containing all the dependencies including the logback jars) having gone</p> <p style="margin: 10px 0 0 0"><tt>$ java -jar myFatjar.jar</tt></p> <p style="margin: 10px 0 0 0">in a Cygwin ("BASH") console window running in Windows 10.</p> <p style="margin: 10px 0 0 0">Who created the thread? This is a pretty simple console app, currently, and although there is a tiny amount of JavaFX involved (to create a file chooser dialog), everything else is run in a single thread. And in fact the full stack trace showed a trace all the way back to the "main" method of the starter class.</p> <p style="margin: 10px 0 0 0"> </p> </td>
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