For example that come from clicking a link that change the language. also i used dynamic forward creation in the web site that i build . the above exception come when i click on one of my flags which produce a url like :
, but when the browser shows the exception if i click GO button of browser again it will works fine.
I contact the host provider and ask them to give me some help (this problem introduced after we moved our web application to new host) they said :
When i ask them about tomcat version they said : its tomcat 5.5.15 , meanwhile my application works fine on tomcat 5.5.12 my questions are : What that solution means ? does tomcat 5.5.15 has that problem ?