fix: [Jetty]: FindBugs complains about non-Boolean object used in %b format parameter
fix: [Jetty]: Improper lazy initialization in multi-threaded environments
fix: [Jetty]: Ensure fields are accessed consistently as synchronized
fix: [Jetty]: Explicitly avoid potentially accessing content until sure it's not null
fix: [Jetty]: Possible Null Pointer Dereferences by values passed from caller
fix: [Jetty]: Use java.utils.Arrays.hashCode

The method hashCode() of an raw array ignores the length and contents of the array
which yields equal hashCodes for arrays containing different items or varying in length.

This avoids unnecessarily returning equal hashCodes when the objects are actually different.
fix: [Jetty]: Remove unnecessary imports