Exception Summary Exception Description BadRequestExceptionThrown when you perform an illegal operation or the given data is invalid. ConnectionLostExceptionException is thrown if the connection could not be established DataFormatException EngineExceptionThrown if something went wrong during the engine execution (e.g., a persistence exception occurred). ExternalTaskClientExceptionExternal task client exception NotAcquiredException Deprecated.since this exception has been replaced by
BadRequestExceptionand will be removed in version 7.19.
NotFoundExceptionException is thrown if the task has been canceled and therefore does not exist anymore NotResumedException Deprecated.since this exception has been replaced by
EngineExceptionand will be removed in version 7.19.
RestExceptionThrown when a request from the engine's REST API fails. UnknownHttpErrorExceptionException is thrown in case the HTTP status code is not known by the client. ValueMapperExceptionException is thrown when a value could not be mapped