java - JLabel text is garbled -


i'm seeing strange issue involving jlabel used display range of numbers. text of label typically 0.0 - 100.0 (for example). problem select few users, text appears garbled. in example, text show /-/,0//-/.

here's know far:

  • it appears sort of off-by-one bug since each character displayed 1 unicode character behind expected character.
  • the dash character between 2 numbers hard-coded in application string literal.
  • it's happening on various versions of oracle jvms including 1.6.x , 1.7.x.
  • it's happening on few select windows 7 machines.

what cause type of problem? else should investigate? thanks.

this happens when you're setting font of jlabel font corrupted in windows font cache.

to rebuild cache: administrator, delete file , reboot pc:

del %windir%\system32\fntcache.dat

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