hadoop-mapreduce-project/hadoop-mapreduce-examples/dev-support/findbugs-exclude.xml

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<FindBugsFilter>

 <!-- Ignore some irrelevant serialization warnings -->
  <Match>
    <Class name="org.apache.hadoop.examples.SecondarySort$FirstGroupingComparator" />
    <Bug pattern="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE" />
  </Match>

  <Match>
    <Class name="org.apache.hadoop.examples.SecondarySort$IntPair$Comparator" />
    <Bug pattern="SE_COMPARATOR_SHOULD_BE_SERIALIZABLE" />
  </Match>


 <!-- Ignore the irrelevant resource cleanup warnings-->
  <Match>
    <Class name="org.apache.hadoop.examples.DBCountPageView" />
    <Method name="verify" />
    <Bug pattern="OBL_UNSATISFIED_OBLIGATION" />
  </Match>

 <!-- Ignore the irrelevant closure warnings-->
  <Match>
    <Class name="org.apache.hadoop.examples.dancing.Pentomino$Piece" />
    <Bug pattern="EI_EXPOSE_REP2" />
  </Match>

  <!-- Ignore the irrelevant package protection warnings-->
  <Match>
    <Class name="org.apache.hadoop.examples.dancing.Pentomino" />
     <Or>
      <Field name="fourRotations" />
      <Field name="oneRotation" />
      <Field name="twoRotations" />
     </Or>
    <Bug pattern="MS_PKGPROTECT" />
  </Match>

   <!-- Ignore the irrelevant right shift warnings, as only positive integers are given as input-->
  <Match>
    <Class name="org.apache.hadoop.examples.terasort.Unsigned16" />
    <Method name="getHexDigit" />
    <Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT" />
  </Match>

  <Match>
    <Class name="org.apache.hadoop.examples.terasort.TeraInputFormat" />
      <Method name="getSplits" />
    <Bug pattern="ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD" />
  </Match>

</FindBugsFilter>