Cipher.init(int opmode, Key key) throws exception when Cipher is generated using RC4 as algorithm, but no exception were thrown if algorithm is ARCFOUR.

The following exception is generated by the test program attached (SQE ws: .../security/src/Manual/PKCS11/TestSunJCE.java):

--- START ---
... TESTING: Algorithm = ARCFOUR : KeyLength = 128 ...
Provider: SunJCE version 1.5
IV: null
=== STATUS: PASS
... TESTING: Algorithm = RC4 : KeyLength = 128 ...
Provider: SunJCE version 1.5
IV: null
=== STATUS: FAIL (with exception)
java.security.InvalidKeyException: Illegal key size or default parameters
at javax.crypto.Cipher.a(DashoA12275)
at javax.crypto.Cipher.init(DashoA12275)
at javax.crypto.Cipher.init(DashoA12275)
at TestSunJCE.testSecretKey(TestSunJCE.java:213)
at TestSunJCE.main(TestSunJCE.java:480)
--- END: ---
STATUS: FAIL