>> The full stacktrace might be useful, just to tell us where/how it's >> happening. > > Okay, I attached the log file to my home page on the wiki as > "2014-05-20-tom-weird-stack-trace.txt". Forgot the Java 8 log, which now is attacked to my home page on the wiki as "2014-05-20-tom-weird-stack-trace-java-8.txt".