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If you have compiled files that created a lot of errors (more than fit in the Compiler output window), the Next Error action does not behave very nicely. It does show the next error, i.e. make that line visible; however normally this show it at the bottom of the window. Compilation errors typically *follow* the line which is hyperlinked, so the description of the error is not visible unless you go the output window and scroll it yourself. Since normally someone will compile, then use Next Error to go to the first error, fix it, then to the second, etc., they will have to scroll every time, w hich is annoying. In OutPane.JumpActionPerformer, JList.ensureIndexIsVisible is called which only ensures that that one line is visible. I think jumping to a hyperlinked line should show an extra line or two of surroun ding context. The docs for ensureIndexIsVisible give related methods which could be used to do this.
Although this bug is fixed, the problem remains due to bugs in Swing. Output window is not properly redrawed until you scroll it or otherwise force it to redraw.
Resolved for 3.4.x or earlier, no new info since then -> closing.