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request parameters received are null in weblogic 8.1

Lalita Sattavat
Greenhorn

Joined: May 31, 2004
Posts: 10
The App server in use in Weblogic 8.1 and we encounter the following problem: After performing few activities on the server .. wait for 20 seconds and now click on any link on the jsp. All the request parameters are null. else otherwise the application works fine. Also the same behavior is not reproduceable on Weblogic 7.2

After disabling the keepalives for http in the weblogic server the problem got fixed.

Can somebody explain why this behavior. What is it that keepAlives does internally?
Rishi Tandon
Greenhorn

Joined: Oct 23, 2002
Posts: 17
Check the default session timeout set for the Web App.


Rishi Tandon<br />SCJP 1.2<br />SCBCD
Bear Bibeault
Author and ninkuma
Marshal

Joined: Jan 10, 2002
Posts: 61066
    
  66

Moving to the Weblogic forum.


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andy armstrong
Ranch Hand

Joined: May 14, 2002
Posts: 154
Change in servlet spec since 6.1..
"
Due to a change in the JSP specification, null request attributes now return the string "null" instead of an empty string. WebLogic <wiki.pl?WebLogic> Server versions since 6.1 contain a new flag in weblogic.xml called printNulls which is true by default, meaning that returning "null" is the default. Setting printNulls to false ensures that expressions with "null" results are printed as an empty string, not the string "null."
An example of configuring the printNulls element in weblogic.xml:

<weblogic-web-app>
<jsp-param>
<param-name>printNulls</param-name>
<param-value>false</param-value>
</jsp-param>
</weblogic-web-app>


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