If you've been trying to post a comment on this weblogs in the last hours, you couldn't because, after having enabled the SCode plugin for blojsom, I forgot to add one very important extra option to the Tomcat configuration:
-Djava.awt.headless=true
Without this option, Java will try to connect to the X server to do whatever it needs to do in order to generate an image. And since I stopped X before going home yesterday, the result is that the CAPTCHA image was not being generated.
I should have known better. I't about the twelfth time that I trip upon this gotcha.
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