Serializablepublic class FilerException extends IOException
Filer detected an attempt to open a file that
would violate the guarantees provided by the Filer. Those
guarantees include not creating the same file more than once, not
creating multiple files corresponding to the same type, and not
creating files for types with invalid names.public FilerException(String s)
s - the detail message, which should include the name of
the file attempting to be opened; may be null