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Sanity4J was created to simplify running multiple static code analysis tools on the Java projects. It provides a single entry point to run all the selected tools and produce a consolidated report, which presents all findings in an easily accessible manner.

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RR_NOT_CHECKED

RR: Method ignores results of InputStream.read() (RR_NOT_CHECKED)
 This method ignores the return value of one of the variants of
  java.io.InputStream.read() which can return multiple bytes. 
  If the return value is not checked, the caller will not be able to correctly
  handle the case where fewer bytes were read than the caller requested. 
  This is a particularly insidious kind of bug, because in many programs,
  reads from input streams usually do read the full amount of data requested,
  causing the program to fail only sporadically.