Exclude DLS_DEAD_LOCAL_STORE  what i think it's a false positive.
<Class name="org.apache.commons.fileupload2.disk.DiskFileItem" />
<Bug pattern="RV_RETURN_VALUE_IGNORED_BAD_PRACTICE" />
</Match>
+ <Match>
+ <Class name="org.apache.commons.fileupload2.disk.DiskFileItem" />
+ <Method name="getString" />
+ <Bug pattern="DLS_DEAD_LOCAL_STORE" />
+ </Match>
<Match>
<Class name="org.apache.commons.fileupload2.jaksrvlt.JakSrvltFileUpload" />
<Bug pattern="NM_WRONG_PACKAGE" />
