Exceptions InvalidPatternException Thrown if the patter provided by the Discovery-API cannot be parsed. ResolvingException Thrown if the GroupId or Stream cannot be resolved. UnResolvingException Thrown if the GroupId or Stream cannot be unresolved. NoClusterAvailableException Thrown if there is no available cluster for the client to connect to. SwitchException Thrown if an exception occurs during switching between clusters. RequireConfigurationException Thrown if some required configurations are missing.