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design AvoidCatchingNPE (PMD)

Avoid catching NullPointerException; consider removing the cause of the NPE.

Code should never throw NPE under normal circumstances. A catch block may hide the original error, causing other more subtle errors in its wake.

  
public class Foo {
 void bar() {
  try {
   // do something
   }  catch (NullPointerException npe) {
  }
 }
}

    

Additional info can be found at this http://pmd.sourceforge.net/rules/strictexception.html#AvoidCatchingNPE site.