Provides miscellaneous classes used during system input/output, including exceptions that may be encountered during system operations.
  • Class
    An exception indicating that applying a client certificate on the Http client keystore failed.
    Signals a non 2xx HTTP response.
    Represents a json embedded error from a service response, typically indicates a token secured service that wasn't properly authenticated.
    Implemented by classes that can be serialized to and from JSON.
    Represents an exception caused by an SSL certificate whose hostname does not match the common name or any of the subject alternative domain names specified in the certificate.
    An interface implemented by classes needing to access network-enabled resources which might be secured.
    Specifies configuration settings that apply to network requests such as the maximum number of retries or a timeout.