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Ignore findbugs also ignores other

Getting these bugs: 

OPM_OVERLY_PERMISSIVE_METHOD
IMC_IMMATURE_CLASS_NO_TOSTRING
PRMC_POSSIBLY_REDUNDANT_METHOD_CALLS
RI_REDUNDANT_INTERFACES

after adding this to findbugs-exclude.xml

<Match>
  <Not>
    <Bug code="IMC_IMMATURE_CLASS_NO_TOSTRING"/>
  </Not>
</Match>

I no longer see any of the four listed bugs. I was only expecting IMC_IMMATURE_CLASS_NO_TOSTRING to be ignored

Solution

  • Remove the <Not> operator, like so:

    <Match>
  <Bug pattern="IMC_IMMATURE_CLASS_NO_TOSTRING"/>
</Match>

    The exclusion filter specifies what not to check, so the extra Not made it exclude everything except IMC_IMMATURE_CLASS_NO_TOSTRING.