Exception response table in environment services patterns

Details Exception response table in environment services patterns Exception response table in environment services patterns

1999-08-31

2002-01-15

Wright, Norman M. (Department: 2131)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S050000, C710S048000, C710S266000

Reexamination Certificate

active

06339832

ABSTRACT:

CROSS REFERENCE TO RELATED APPLICATIONS
This application is related to United States Patent Applications entitled A SYSTEM, METHOD AND ARTICLE OF MANUFACTURE FOR A DEVELOPMENT ARCHITECTURE FRAMEWORK and A SYSTEM, METHOD AND ARTICLE OF MANUFACTURE FOR MAINTENANCE AND ADMINISTRATION IN AN E-COMMERCE APPLICATION FRAMEWORK, both of which are filed concurrently herewith and which are incorporated by reference in their entirety.
FIELD OF THE INVENTION
The present invention relates to error handling and more particularly to a tool for maintaining a consistent error handling approach.
BACKGROUND OF THE INVENTION
An important use of computers is the transfer of information over a network. Currently, the largest computer network in existence is the Internet. The Internet is a worldwide interconnection of computer networks that communicate using a common protocol. Millions of computers, from low end personal computers to high-end super computers are coupled to the Internet.
The Internet grew out of work funded in the 1960s by the U.S. Defense Department's Advanced Research Projects Agency. For a long time, Internet was used by researchers in universities and national laboratories to share information. As the existence of the Internet became more widely known, many users outside of the academic/research community (e.g., employees of large corporations) started to use Internet to carry electronic mail.
In 1989, a new type of information system known as the World-Wide-Web (“the Web”) was introduced to the Internet. Early development of the Web took place at CERN, the European Particle Physics Laboratory. The Web is a wide-area hypermedia information retrieval system aimed to give wide access to a large universe of documents. At that time, the Web was known to and used by the academic/research community only. There was no easily available tool which allows a technically untrained person to access the Web.
In 1993, researchers at the National Center for Supercomputing Applications (NCSA) released a Web browser called “Mosaic” that implemented a graphical user interface (GUI). Mosaic's graphical user interface was simple to learn yet powerful. The Mosaic browser allows a user to retrieve documents from the World-Wide-Web using simple point-and-click commands. Because the user does not have to be technically trained and the browser is pleasant to use, it has the potential of opening up the Internet to the masses.
The architecture of the Web follows a conventional client-server model. The terms “client” and “server” are used to refer to a computer's general role as a requester of data (the client) or provider of data (the server). Under the Web environment, Web browsers reside in clients and Web documents reside in servers. Web clients and Web servers communicate using a protocol called “HyperText Transfer Protocol” (HTTP). A browser opens a connection to a server and initiates a request for a document. The server delivers the requested document, typically in the form of a text document coded in a standard Hypertext Markup Language (HTML) format, and when the connection is closed in the above interaction, the server serves a passive role, i.e., it accepts commands from the client and cannot request the client to perform any action.
The communication model under the conventional Web environment provides a very limited level of interaction between clients and servers. In many systems, increasing the level of interaction between components in the systems often makes the systems more robust, but increasing the interaction increases the complexity of the interaction and typically slows the rate of the interaction. Thus, the conventional Web environment provides less complex, faster interactions because of the Web's level of interaction between clients and servers.
SUMMARY OF THE INVENTION
A system, method and article of manufacture are provided for recording exception handling requirements for maintaining a consistent error handling approach. An exception response table is provided in which an exception is recorded. The context of the exception is entered in the exception response table and a response for the exception is listed in the exception response table. The response is subsequently outputted upon the exception occurring in the context.
In an aspect of the present invention, a typical response and a last resort response may be listed in the exception response table. The typical response may be outputted upon the exception occurring in the context. The last resort response may be outputted upon the exception occurring out of the context. In another aspect of the present invention, abbreviations may be used to reduce an output size of the exception response table. In a further aspect of the present invention, the exception response table may also include an exception category field for permitting organizing multiple exceptions by source.
In one embodiment of the present invention, an optimization may be determined that can be made based on similar entries in the exception response table. Further, the optimization made may also include classifying the exceptions for organizational purposes.


REFERENCES:
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patent: 5568644 (1996-10-01), Neilson et al.
patent: 5675748 (1997-10-01), Ross
patent: 5761513 (1998-06-01), Yellin et al.
patent: 6052739 (2000-04-01), Bopardikar et al.
patent: 6148361 (2000-11-01), Carpenter et al.

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