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In Brief

Error Processing in exteNd Composer: Simplifying Maintenance and Debugging


Product Categories:
  • exteNd
  • Functional Categories:
  • Developer Tools
  • Maintenance
  • Posted:10 Jun 2003
    File Size:74KB
    Publisher: Developer Notes, Bob Burgess, Marcel Thibault


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    If you've built at least one component in exteNd Composer, you've probably realized how easy it is to capture a system error and send the results to a log file. Composer provides a number of methods to handle this situation with actions such as the Try/On Error or Raise Error and logging options. These actions make it very easy to capture an error condition and then send it to a log file.

    However, a production situation often requires the use of multiple components. That is when a number of error processing questions arise; among them might be the following:

    • How can I best manage the error processing of these related components?
    • How do I propagate the error up to the calling component?
    • How or where is it best to record or log the error?
    • Which components completed processing before the error occurred?
    • Should the execution process even continue after an error is encountered?
    • Where in the process is the most time spent processing?

    This AppNote presents an efficient method to address these process/error management issues. It is designed for consultants and developers familiar with the exteNd Composer development environment who want a flexible method of recording process errors and component execution paths.

    This download is the sample project referenced in this AppNote.

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