validate input arguments to dumphib

uvagfx / hipi

HIPI: Hadoop Image Processing Interface

http://hipi.cs.virginia.edu

BSD 3-Clause "New" or "Revised" License

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Open voigtlandier opened 9 years ago

voigtlandier commented 9 years ago

If path to image directory on local file system does not exist currently throws obscure NullPointerException.