I got bug says " OBL_UNSATISFIED_OBLIGATION_EXCEPTION_EDGE" Here is my code : /** * Copies the contents of the input file to the output file. */ public static void copy(File in, File out) throws IOException { FileInputStream inStream = new FileInputStream(in); FileOutputStream outStream = new FileOutputStream(out); try { copy(inStream, outStream); } finally { try { outStream.flush(); outStream.close(); inStream.close();. } catch (Exception e) { log.error("Failed to close stream"); } } } Here i have...