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  • If you'd like to try and do some debugging yourself, you can change the DSpace logger settings to DEBUG which will sometimes provide you with more information about the error. To turn on debugging, visit the [dspace]/config/log4j.properties file and do the following:

    • To enable DEBUG logging in the dspace.log file, change the log4j.rootCategory and log4j.logger.org.dspace settings to DEBUG rather than INFO.

    • (XMLUI Only) To enable DEBUG logging in the cocoon.log file, change the log4j.logger.org.apache.cocoon setting to DEBUG rather than INFO.

    • NOTE: You'll need to restart Tomcat after enabling DEBUG mode in the log4j.properties file.

    • WARNING: Make sure to turn off debugging once you are finished. Leaving debugging turned on will cause the log files to grow very large very quickly!

  • Depending on where you got your Java runtime environment, you may have the jps command.  jps -v can show you the options actually used to run your Servlet container, which can be useful in debugging startup issues.  A plain jps command will list process IDs of running JREs, which you can use with your favorite process monitoring tools.  jps can only show processes which your user account is allowed to inspect, so you should run it as the user which runs the container, or as a superuser.

Report the Error and Describe How You Encountered It

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