Troubleshoot LiveContent S1000D if you are trying to track down the source of a problem with your implementation.
Rolling log files To help troubleshoot LiveContent S1000D issues, examine the one current and five historical log files (one set for each configuration type) produced by Log4j, the Apache project standard logging service. You can configure logging in log4j.xml, including the maximum log file size, which defaults to 10 MB.
Viewing markup To debug, LiveContent S1000D users can view the XML or Debugging markup of the publication. Administrator users can also view XSL-FO markup and HTML markup.