Github user joshelser commented on a diff in the pull request:

    https://github.com/apache/accumulo/pull/163#discussion_r83087033
  
    --- Diff: 
core/src/main/java/org/apache/accumulo/core/security/crypto/NonCachingSecretKeyEncryptionStrategy.java
 ---
    @@ -81,7 +81,10 @@ private void doKeyEncryptionOperation(int 
encryptionMode, CryptoModuleParameters
           Cipher cipher = 
DefaultCryptoModuleUtils.getCipher(params.getAllOptions().get(Property.CRYPTO_DEFAULT_KEY_STRATEGY_CIPHER_SUITE.getKey()));
     
           try {
    -        cipher.init(encryptionMode, new SecretKeySpec(keyEncryptionKey, 
params.getAlgorithmName()));
    +           if (keyEncryptionKey.length > 0)
    --- End diff --
    
    > The SecretKeySpec constructor would throw IllegalArgumentException
    
    > adding this check probably caused the rest of the code to be executed 
resulting in a null exception in another part of the code.
    
    Sounds to me like we would want to throw our own IllegalArgumentException 
(or some unchecked exception) in an `else` branch to the conditional you added. 
Care to update the pull request with that change?


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