Keystore generation fails about authentication-flows HOT 5 CLOSED

@Service("keystoreService")
public class KeystoreServiceImpl implements InitializingBean, KeystoreService
{
	@Autowired
	private CryptoProperties cryptoProperties;

	private PrivateKey privateKey;
	private PublicKey publicKey;

	public void afterPropertiesSet() throws Exception
	{
		try
		{
			KeyStore ks = KeyStore.getInstance("JCEKS");
			ks.load(new FileInputStream(cryptoProperties.getSimpleKeystore()), cryptoProperties.getSimplePassword().toCharArray());

			privateKey = (PrivateKey) ks.getKey(cryptoProperties.getKeyAlias(), cryptoProperties.getSimplePassword().toCharArray());

			publicKey = ks.getCertificate(cryptoProperties.getKeyAlias()).getPublicKey();
		}
		catch (Throwable e)
		{
			throw new IllegalArgumentException("Failed to read the private token key from the keystore", e);
		}
	}

	public PrivateKey getPrivateKey()
	{
		return privateKey;
	}

	public PublicKey getPublicKey()
	{
		return publicKey;
	}
}