Playing with readFileToByteArray in the repl:

user=> (import '(org.apache.commons.io FileUtils))
nil

user=> (def dawg (FileUtils/readFileToByteArray "words.dawg"))
java.lang.ClassCastException (NO_SOURCE_FILE:10)

user=> (FileUtils/readFileToByteArray "words.dawg")
java.lang.ClassCastException: java.lang.String cannot be cast to
java.io.File (NO_SOURCE_FILE:0)

The second error message was a lot more helpful than the first - why
was the message lost en route? It doesn't always happen:

user=> (/ 1 0)
java.lang.ArithmeticException: Divide by zero (NO_SOURCE_FILE:0)

user=> (def a (/ 1 0))
java.lang.ArithmeticException: Divide by zero (NO_SOURCE_FILE:18)

martin

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