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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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NP_ALWAYS_NULL_EXCEPTION

NP: Null pointer dereference in method on exception path (NP_ALWAYS_NULL_EXCEPTION)
 A pointer which is null on an exception path is dereferenced here. 
This will lead to a NullPointerException when the code is executed. 
Note that because FindBugs currently does not prune infeasible exception paths,
this may be a false warning.

 Also note that FindBugs considers the default case of a switch statement to
be an exception path, since the default case is often infeasible.