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As explained in the Introducing Geronimo Administration Console section,the Administration Console provides four portlets for configuring and viewing the server's logs, these portlets are the Log Manager, Server Log Viewer, Derby Log Viewer and Web Access Log Viewer.

Log Manager

The Log Manager portlet options are illustrated in the following figure. From this portlet you can specify the location of the log configuration file. By default this value is set to var/log/server-log4j.properties.

Other value you can modify in from this portlet is the Refresh Period. This value tells Geronimo how often (in seconds) it should check for any changes to the configuration file. By default this value is set to 60 seconds.

From this portlet you can also change the Log Level. By default this value is set to INFO, the possible values you can choose from are All, TRACE, DEBUG, INFO, WARN, ERROR, FATAL, and OFF.

Server Log Viewer

The Server Log Viewer portlet options are illustrated in the following figure. From this portlet you can view the Geronimo server logs as well as set filters for refining the results displayed.

The Refresh link on the upper left corner will reset any filtering criteria you may have specified to the Introducing Geronimo Administration Console's defaults and will display the last 10 lines (if any) of the current Geronimo server log.

The Filter Results: area will let you specify different filtering criteria to further narrowing down your search. The File pull-down menu allows you to select the log file to view. The logs listed in this pull-down menu are ruled by the Configuration File (server-log4j.properties by default) specified in the Log Manager portlet. The number of log files to choose from the File pull-down menu will depend on the number of log files defined in the server-log4j.properties configuration file.

Lines ..to.. lets you specify a range of line of log to analyze. Max Results limits the number of lines to be displayed. Level displays only those errors occurred for that Log Level. Containing text lets you enter a specific string to search through the server log. With Exceptions by clicking this checkbox will be displayed not just the error but also the exception, the stack trace display will be limited to the number lines set by the Max Results value.

Derby Log Viewer

The Derby Log viewer portlet options are illustrated in the following figure. From this portlet you can view the Derby server logs as well as set filters for refining the results displayed.

The Refresh link on the upper left corner will reset any filtering criteria you may have specified to the Introducing Geronimo Administration Console's defaults and will display the last 10 lines (if any) of the current Derby server log.

Similar to the Server Log Viewer portlet, the Filter Results: area will let you specify different filtering criteria to further narrow down your search. Lines ..to.. lets you specify a range of lines of log to analyze. Max Results limits the number of lines to be displayed and Containing text lets you enter a specific string to search through the server log.

Web Access Log Viewer

The Web Access Log Viewer portlet options are illustrated in the following figure. From this portlet you can view the Web server logs as well as set filters for refining the results displayed.

The Refresh link on the upper left corner will reset any filtering criteria you may have specified to the Introducing Geronimo Administration Console's defaults. In contrast with the other portlets, the Web Access Log Viewer will display all the lines in the log, it will just be limited by your Web browser display capabilities.

The Filter Results: area will let you specify different filtering criteria to further narrowing down your search. For the Web Access Log Viewer this area is divided in three main groups, Date, Identity and Requests.

  • Date:
    Lets you specify a date range. If the Ignore Dates checkbox is selected, filtering will not be done using the date. All log lines that match the other filtering criteria will be displayed regardless of the date.
  • Identity:
    Lets you specify Remote Address (i.e. 192.168.0.1) and Authenticated User (i.e. system).
  • Request:
    Lets you specify the Request Method from and the Requested URI. You can select the Requested Method from a drop-down menu, the possible values are ANY, POST and GET. To filter by Requested URI just enter a URI, for example http://localhost:8080/console/login.jsp.
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