Configuring Link Validation

Knowledge Manager solutions may contain links to related resources such as other solutions or Web pages. Knowledge Manager checks these links to make sure the resources remain available. If a linked resource is unavailable, the solution that contains the link will appear in the link validation report in Service Center. See information about the link validation report in the ATG Knowledge Manager Guide for Business Users.

Knowledge Manager checks the links in all of your solutions one time each day by default. You can configure how often it will check the links in the ValidationService.properties file for your agent server.

By default, Knowledge Manager will use up to five concurrent threads of execution when checking links. You can configure the maximum number of threads in the HttpLinkValidator.properties file for your agent server. Increasing the number of threads may increase the speed of the link validation process. Increasing the number of threads will also increase consumption of server resources.

To configure the times that Knowledge Manager will validate links:

  1. Create or edit the following configuration file.

    <ATG10dir>/home/servers/server_name/localconfig/atg/svc/repository/service
    /ValidationService.properties

  2. Add the schedule property as shown below. Adjust the values in the calendar configuration control. The control in the example will validate links every day at 1:00 AM according to the server system time.

    schedule=calendar * * * * 01 00

    The control in the following example will validate links four times each month.

    schedule=calendar * 1,7,14,21 * * 01 00

    See information about this type of control in the documentation for the Calendar Schedule in the ATG Platform Programming Guide

To prevent Knowledge Manager from validating links:

  1. Create or edit the following configuration file.

    <ATG10dir>/home/servers/server_name/localconfig/atg/svc/repository/service
    /ValidationService.properties

  2. Add the enabled property as shown below. Set its value to false.

    enabled=false

To configure the maximum number of threads that Knowledge Manager will use when it checks links:

  1. Create or edit the following configuration file.

    <ATG10dir>/home/servers/server_name/localconfig/atg/svc/validation/link/
    validators/HttpLinkValidator.properties

  2. Add the maxThreadCount property as shown below. Set its value to the maximum number of threads that you want Knowledge Manager to use for checking links.

    maxThreadCount=9

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