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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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LI_LAZY_INIT_STATIC

LI: Incorrect lazy initialization of static field (LI_LAZY_INIT_STATIC)
 This method contains an unsynchronized lazy initialization of a non-volatile static field.
Because the compiler or processor may reorder instructions,
threads are not guaranteed to see a completely initialized object,
if the method can be called by multiple threads.
You can make the field volatile to correct the problem.
For more information, see the
Java Memory Model web site.