Anyone out there have problems using image manipulation libraries — or even just CFCHART, for that matter — on a Linux server? If you aren’t running an X server on your Linux box (which you most likely are not) and/or do not have the XFree86 libraries installed, you are not going to be able to use tags like CFCHART, or the upcoming Jimg package on DRK 4 which lets you use ColdFusion tags or components to manipulate images in a variety of ways. The reason is that Java uses native graphic libraries for many graphic operations, so in come cases, either X needs to be running, or a virtual X server (like the X Virtual Frame Buffer, or Xvfb).
These are not fun issues to solve. Daemonite posted about this back in April in the context of CFCHART and offers some advice, and thanks to Ben Simon, I recently found a very comprehensive resource on how to solve the issue.