Difference between revisions of "Troubleshooting Strategies"
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m (moved General Troubleshooting Strategies to Troubleshooting Strategies: General page with issues re: troubleshooting allows for a little bit easier linking.)
Latest revision as of 11:24, 11 January 2011
- Make sure that you are observing the log file. For example
tail -F /var/log/apache2/error_logallows one to see the error messages as they appear in the log. The location of the log file on your server is likely to be different. You can find a reference to it in the Apache configuration file.
Troubleshooting Specific Issues
|When viewing a problem with the "images" display mode, equations are not displayed, are corrupted, or are otherwise incorrect.||Troubleshooting Equation Images|
|When viewing a problem with the "images" display mode, users get an error message similar to "cd .../ImageGenerator.geAu1ff9 && /usr/bin/dvipng -bg Transparent -D120 equation > dvipng.out 2> dvipng.err returned non-zero status 256: Inappropriate ioctl for device".||Troubleshooting Equation Images|
|When generating hardcopy with the "Show Correct Answers" option enabled, users get an error message similar to HASH(0x18fa4348) in the subroutine DateTime::TimeZone::new.||Troubleshooting DateTime|
|When generating hardcopy containing images, users get an error message similar to "failed to convert file.gif to file.png using gif->png: Inappropriate ioctl for device".||Troubleshooting Image Conversion|
|A PG header file which works when used as a set header file (online) does not display properly when used as a hardcopy header file (or vice versa).||Troubleshooting Header Files|
|When I try to check out a module from the CVS repository, I get this error:
|The PDF or TeX hardcopy for a problem set is not displaying properly.||Troubleshooting Hardcopy|