>> ** WEBLOGIC USERS ***
>>
>> We're adding a installation page to the Struts documentation package.
>> If any can playtest Robert's notes, or has any other additional
>> comments, please let us know as soon as possible.
I would like to add the following points:
- Servlet and JSP-Reloading should be turned off.
(First, you pay a performance penalty. Depending on the number of JSPs,
the number of requests and the configured checking interval, the server
will slow down.
Second, with JSP- and Servlet reloading, one opens the door for various
weblogic classloader problems, that are difficult to diagnose, difficult
to handle and often lead to lost HTTP-sessions.)
- Set the name of the sessionid to JSESSIONID, if cookies are used for
session tracking and to jsessionid, if sessions are URL-based.
(There are additional problems related to URL-based sessions, caused from
BEA's way to encode the session id (J2EE-incompatible) as query-param.
Especially <bean:include> will not work with URL-based sessions yet.
However, using the correct session name solves at least some problems.)
- Configure the JSP-Servlet registration in weblogic.properties for
maximum J2EE-compliance and/or for maximum performance.
The JSP-Servlet supports some initialization parameters that can be
customized to get best performance, maximum compliance or (as shown
below) easier debugging:
weblogic.httpd.initArgs.*.jsp=\
pageCheckSeconds=-1,\
setEmptyStrings=false,\
compileCommand=./_jspCompiler_.cmd,\
workingDir=/weblogic/myserver/tmp_classfiles,\
keepgenerated=true,\
debug=true,\
verbose=true
In the above example, the batch file (_jspCompiler_.cmd) invokes jikes
which results dramatically reduced startup times (jikes is about three
times faster than javac.) The batchfile contains only a single line:
@jikes -g -nowarn %*
The next cinfiguration could be used when all tests have been done and
speed is the major concern ...
weblogic.httpd.initArgs.*.jsp=\
pageCheckSeconds=-1,\
setEmptyStrings=false,\
compileCommand=./_jspCompiler_.cmd,\
workingDir=/weblogic/myserver/tmp_classfiles,\
keepgenerated=false,\
debug=false,\
verbose=false
... together with ...
@jikes -O -nowarn %*
Weblogic supports similar settings through <context-params> in web.xml,
(Please read the latest documentation at the BEA website for details.)
--
Matthias (mailto:[EMAIL PROTECTED])
