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I have a bit of conundrum with my Java Web Application. I am attempting to generate a PDF report and stream that report back to the browser.

To build the report, I first need the user to enter some information (currently done by some JSP and TAG files that save form data to a bean). This information is validated and used as part of that report building process. I'm not persisting that information (only storing it on the bean (transient), which lives on the form). So, in the action class, I'm receiving my request and I'm building the report and then streaming that byte stream array into my response header.

So far so good - the report pops out in my browser, but since I've already used that response object to stream my report, I can't reload my page (thus my web app never returns control back the browser)!

"OK" I thought...so, I decided to open a new window and then call my action class method.

WRONG thing to do: The bean information on the form gets wiped out by the time my action class method is invoked and my validation fails since I have a bunch of null objects in there.

I'm not sure if my code matters (thus I have not posted it) - I can if it helps, but I think I just need some direction on what I need to do in order to

A) Stream my PDF report back to the browser
B) Reload the page

Any thoughts?

It appears that I cannot use the same response object to both reload the page and stream to response. What is the solution... (head scratch)

java stream struts httpresponse reload

share|improve this question

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

add a comment | 

0

I have a bit of conundrum with my Java Web Application. I am attempting to generate a PDF report and stream that report back to the browser.

To build the report, I first need the user to enter some information (currently done by some JSP and TAG files that save form data to a bean). This information is validated and used as part of that report building process. I'm not persisting that information (only storing it on the bean (transient), which lives on the form). So, in the action class, I'm receiving my request and I'm building the report and then streaming that byte stream array into my response header.

So far so good - the report pops out in my browser, but since I've already used that response object to stream my report, I can't reload my page (thus my web app never returns control back the browser)!

"OK" I thought...so, I decided to open a new window and then call my action class method.

WRONG thing to do: The bean information on the form gets wiped out by the time my action class method is invoked and my validation fails since I have a bunch of null objects in there.

I'm not sure if my code matters (thus I have not posted it) - I can if it helps, but I think I just need some direction on what I need to do in order to

A) Stream my PDF report back to the browser
B) Reload the page

Any thoughts?

It appears that I cannot use the same response object to both reload the page and stream to response. What is the solution... (head scratch)

java stream struts httpresponse reload

share|improve this question

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

add a comment | 

I have a bit of conundrum with my Java Web Application. I am attempting to generate a PDF report and stream that report back to the browser.

To build the report, I first need the user to enter some information (currently done by some JSP and TAG files that save form data to a bean). This information is validated and used as part of that report building process. I'm not persisting that information (only storing it on the bean (transient), which lives on the form). So, in the action class, I'm receiving my request and I'm building the report and then streaming that byte stream array into my response header.

So far so good - the report pops out in my browser, but since I've already used that response object to stream my report, I can't reload my page (thus my web app never returns control back the browser)!

"OK" I thought...so, I decided to open a new window and then call my action class method.

WRONG thing to do: The bean information on the form gets wiped out by the time my action class method is invoked and my validation fails since I have a bunch of null objects in there.

I'm not sure if my code matters (thus I have not posted it) - I can if it helps, but I think I just need some direction on what I need to do in order to

A) Stream my PDF report back to the browser
B) Reload the page

Any thoughts?

It appears that I cannot use the same response object to both reload the page and stream to response. What is the solution... (head scratch)

java stream struts httpresponse reload

share|improve this question

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

share|improve this question

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

share|improve this question

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525

asked Mar 24 at 0:53

ivan_dragoivan_drago

3761525