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page has expired

  Asked By: Lourdes    Date: Jun 08    Category: Java    Views: 784
  

there are two pages (for example pageA & pageB)for submiting a
request . in first page(pageA), necessary files can be attached to the
request . after filling pageA , pageB appears . In pageB ,the request
is completed and submitted to the server . to do this , I have used
post method in pageB and enctype="multipart/form-data" .
but I have a problem : in pageB when I click on "back" button in IE ,
an exception appears "page has expired".
To solve this problem , I used
response.setHeader("Cache-Control","no-cache");
response.setHeader("Pragma","no-cache");
response.setDateHeader ("Expires", 0);
in jsp page but he problem has not been corrected yet . please tell me
what can I do.

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2 Answers Found

 
Answer #1    Answered By: Michele Grant     Answered On: Jun 08

I think the code you used as written below causes the problem. This code is used when you want nothing to be cached in a JSP page  response. Try the following solutions and I hope it works:

- Remove the code that you mentioned below and test your application again.

- It may be your IE’s setting that prevents anything to be cached on client side, check it.

- If none of above worked, use a JavaScript trick on client side to go back  and refresh when you click  on BACK button.

 
Answer #2    Answered By: Aberto Rossi     Answered On: Jun 08

You can use the following solution :
put your form data to session scope instead of request , and when your upload is complete
remove them from session.

 
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