Because the generation of health code needs to read the data of nucleic acid library, simply speaking, there is a big traffic jam in nucleic acid library, which leads to the failure of reading and generating health code. The technical team immediately disconnected the interface with Guangdong Nucleic Acid Bank, and the health code returned to normal. The abnormal condition lasts about 1 hour. Once the interface of the nucleic acid library is found to be abnormal, the connection will be disconnected and bypassed, and the health code will be generated directly without going through the mainland nucleic acid library, thus reducing the difficulty of generating the health code in the community.
Call interface exception refers to call third-party interface system exception, user operation exception, authorization exception and so on. Interface (hardware interface) refers to the communication rules between different functional layers of the same computer called interface. An interface is a reference type that defines a contract. Other types implement interfaces to ensure that they support certain operations. An interface specifies a member that must be provided by the class or other interface that implements it. Similar to classes, interfaces can contain methods, properties, indexers, and events as members. Java interface and Java abstract class represent abstract types, which are the concrete manifestations of the abstract layer we need to propose. OOP object-oriented programming must be interface-oriented and abstract-oriented. If it is to improve the reuse rate of programs and increase the maintainability and expansibility of programs, the useful abstract types such as interfaces and abstract classes should be used correctly as the top layer of java structure.