#vulnerable code 
                                public void testIgnoringNonBase64InDecode() throws Exception {
        assertEquals("The quick brown fox jumped over the lazy dogs.", new String(Base64
                .decodeBase64("VGhlIH@$#$@%F1aWN@#@#@@rIGJyb3duIGZve\n\r\t%#%#%#%CBqd##$#$W1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg==".getBytes())));
    } 
                            #location 3 
                            #vulnerability type NULL_DEREFERENCE
#fixed code
                                public void testIgnoringNonBase64InDecode() throws Exception {
        assertEquals("The quick brown fox jumped over the lazy dogs.", new String(Base64
                .decodeBase64("VGhlIH@$#$@%F1aWN@#@#@@rIGJyb3duIGZve\n\r\t%#%#%#%CBqd##$#$W1wZWQgb3ZlciB0aGUgbGF6eSBkb2dzLg==".getBytes("UTF-8"))));
    }