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From Aaron Mulder <ammul...@alumni.princeton.edu>
Subject Re: Tomcat, logging, admin portlet, and GBeans
Date Wed, 31 Aug 2005 23:25:27 GMT
	In order to do this right, I think we should define an interface 
for web server request log access.  That interface should have a method 
that searches the logs, like the server log GBean does, so rather than the 
console code asking the web server for log files and then opening files 
and scanning them, the console should pass a bunch of search parameters to 
the web server, and the web server should identify and search its own logs 
and just return the results to the console.  If the web server has 
multiple logs, I guess it should have a method that gets a list of log 
file names, so the portlet can let you select the log to query, and the 
search method can take the log file name as a parameter.

	I have an outstanding task to rearrange the management interface
works for the web containers and connectors, so part of that can be
exposing the log manager or whatever we call the interface mentioned
above.  So after those changes, the code should look something like this:

J2EEServer server = ...
WebManager[] managers = ... server.getWebManagers();
(select Tomcat or Jetty WebManager to work with)
RequestLogManager log = ... managers[i].getRequestLog();
(do log stuff such as:
    String[] logFiles = log.getLogFiles();
    LogLine[] hits = log.searchLogs(logFile, start, end, maxRows, ...);
)

	To get started, perhaps you could propose an interface for the 
RequestLogManager or whatever we call it, and look at how we could 
implement that for Tomcat and Jetty.

Thanks,
	Aaron

On Wed, 31 Aug 2005, Joe Bohn wrote:
> I was investigating what is necessary to get the log management portlet 
> in the console working for tomcat.   It currently only works to display 
> the jetty web log. 
> 
> As I was digging into this it is starting to get a little deeper than I 
> anticipated and would like some recommendations.
> 
> - The log portlet references a GBean object for the JettyRequestLog.
> - I don't see an equivalent GBean in tomcat.  Should I attempt to create 
> one and wrap the Tomcat web log in a GBean too?
> 
> -- 
> Joe Bohn     
> joe.bohn@earthlink.net
> 
> "He is no fool who gives what he cannot keep, to gain what he cannot lose."   -- Jim
Elliot
> 
> 

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