Last night, NB 11.3 started throwing seemingly random null pointer
exceptions. New editor would open with a blank panel, although switching
from source view to history view and back got the text to display. So I
figured something died badly and used that "Restart IDE" plugin. This
was followed by a consistent NPE on startup. One artifact of the error
was that despite closing all but one file before exiting the IDE, the
restart opened all my working files from the last start (maybe 100 or so
in number).
Looking at the errors, it seemed that the exception was being generated
by the "sort tabs by full path" feature. Sure enough, disabling that
made the problem go away. Since then I have been unable to reproduce the
problem. Sadly, I did not save the logs.
I'm not sure if the next issue is an artifact or not, but it was
concurrent. My fonts got messed up: NB didn't recognize my selection and
moved to the next one in the font list. I was planning on changing fonts
anyway so I switched to Consolas, but some identifiers stuck with the
old selection. I went through everything in the font dialog and found no
reference to other fonts. Better yet, the options preview was fine, but
editor windows still had this rogue font.
I exported settings and did a search. Down in
config/Editors/text/x-php5/FontsColors/My Big
Monitor/org-netbeans-modules-editor-settings-CustomFontsColors-tokenColorings.xml
I found this:
<fontcolor name="mod-custom1">
<font name="Source Code Pro Semibold" style="plain"/>
</fontcolor>
There seems to be no way to access this through the UI. I took the name
attribute out of the live configuration and all is well. Unsure what
"mod-custom1" is/was for and if it should be removed or not, but it's an
interesting rabbit hole to have gone down.
Everything is now working for me. I'm just noting what I discovered in
case someone else is experiencing something similar.
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