How do you guys handler exceptions in your handler...

# server

[Hexa]

How do you guys handler exceptions in your handler? is something like this enough?

class ValidateUserHandler : RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {

    private val logger = Logger.getLogger(ValidateUserHandler::class.java)

    override fun handleRequest(input: APIGatewayProxyRequestEvent?, context: Context?): APIGatewayProxyResponseEvent {
        try {
            val token: String? by lazy {
                if (input!!.headers["Authorization"]?.startsWith("Bearer ") == true) {
                    val token = input.headers["Authorization"]?.substring("Bearer ".length)?.trim()
                    if (!token.isNullOrEmpty()) token else null
                } else {
                    null
                }
            }
            
            val authoriserResult = validateToken(token!!)

            return when (authoriserResult.authorised) {
                true -> {
                    APIGatewayProxyResponseEvent()
                            .withBody("OK")
                            .withStatusCode(200)
                }
                else -> {
                    APIGatewayProxyResponseEvent()
                            .withBody("Unauthorized}")
                            .withStatusCode(401)
                }
            }
        } catch (ex: Exception) {
            logger.error("Unexpected error occured: $ex", ex)
            return APIGatewayProxyResponseEvent()
                    .withBody("System error")
                    .withStatusCode(500)
        }
    }
}