Displaying Blob PDF in Portal

Hi all,
I searched online but I haven't been able to find an adequate response. I have a WSRP portlet and I'd like to show a PDF document that is stored as a blob based on what document a portal user has access to. I tried setting the content type of the page to application/pdf and using the response's OutputStream to write the bytes out but it gives a generic error about the markup. Do you think it would be possible to get this working within portal?
Another option if the first one doesn't work is to call a servlet. In JDeveloper I added a servlet and tried calling it but I haven't been successful. Do you have any references to documents that would show how to call a servlet in portal via a JSP?
Thanks!

Hi,
A WSRP portlet can only generate output in HTML.
This means you cannot generate PDF (our any other non-HTML) output.
As you point out yourself, the workaround is to develop a servlet which generates your PDF output.
In your portlet you can add a link to the servlet.
If your servlet runs on a different tier than your portal tier, you need to add a rewriterule or proxypass in order to access it.
Best regards,
Marcel.

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Dear Expert,
Currently i'm using oracle apex 3.0.1.
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PROCEDURE lf_html_pdf (pv_image IN VARCHAR2, pv_index IN NUMBER) is
l_mime VARCHAR2 (255);
l_length NUMBER;
l_file_name VARCHAR2 (2000);
lob_loc BLOB;
BEGIN
begin
selecT OI_BLOB,DBMS_LOB.getlength (OI_BLOB)
into lob_loc,l_length
from ord_img
where oi_tno= pv_image
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exception
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HTP.p ('Content-length: ' || l_length);
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I get the error message as below when i execute the procedure above;
Error report:
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "SYS.OWA_UTIL", line 356
ORA-06512: at "SYS.OWA_UTIL", line 415
ORA-06512: at "HCLABPRO.PKG_PDF", line 220
ORA-06512: at line 2
*06502. 00000 - "PL/SQL: numeric or value error%s"*
I'm appreciated if expert can have me on the problem above?
Thanks
From junior

*Always post code wrapped in <a href=http://wikis.sun.com/display/Forums/Forums+FAQ#ForumsFAQ-Arethereanyusefulformattingoptionsnotshownonthesidebar?"><tt>\...\</tt> tags</a>:*
PROCEDURE lf_html_pdf (pv_image IN VARCHAR2, pv_index IN NUMBER) is
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     l_length      NUMBER;
     l_file_name   VARCHAR2 (2000);
     lob_loc       BLOB;
BEGIN
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If you're not actually going to use the <tt>l_mime</tt> and <tt>l_file_name</tt> variables then remove these as well. (Although I really think you should set a filename.)
>
Error report:
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "SYS.OWA_UTIL", line 356
ORA-06512: at "SYS.OWA_UTIL", line 415
ORA-06512: at "HCLABPRO.PKG_PDF", line 220
ORA-06512: at line 2
06502. 00000 - "PL/SQL: numeric or value error%s"
>
The error stack indicates that the exception is being raised in <tt>HCLABPRO.PKG_PDF</tt>: what is <tt>HCLABPRO.PKG_PDF</tt>? Does this actually have anything to do with the procedure above?
I get the error message as below when i execute the procedure above;How do you execute it?
What happens when it's executed without the <tt>when others...</tt> built-in bug?

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<LIST_G_ADDRESS>
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<STATE>State1</STATE>
<COUNTRY>US</COUNTRY>
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<G_ADDRESS>
<OFFICE_ADDRESS>Addres2</OFFICE_ADDRESS>
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<ADDRESS_LINE2>Addre line2</ADDRESS_LINE2>
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Best Regards,
Mahi

Mahi,
you can't do that yet.

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<body>
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Vnesi ID
<input type=text name="id">
<li> <input type=submit name="potrdi" >
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</body>
</html>If you look my "old" script..
first it get 2 parameters baza= database (ip:port:sid), id= id from my table (PK)
at the end of my script I have:
response.sendRedirect(host+"in2/uploads/blob/"+datoteka);
this redirect will redirect you to your file stored on server side..
Because IE knows what file it must open it will open it with PDF reader...
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Edited by: peterv6i.blogspot.com on May 14, 2012 11:14 AM

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try{
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JDBC...

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I would like to display a pdf file in my Java Web Dynpro application. I am using an iFrame element.
The code I used is:
// test if the file exists
if( path != null)
     path = "D:\\Echanges\\Facture\\" + path + ".pdf";
if (isFile(path)) // test if the file exist
     wdContext.currentContextElement().setPath(path); // we set the path of the file for the iFrame url
else
     wdContext.currentContextElement().setPath("D:\\Echanges\\errorDocAccess.htm"); // here we set the path of an error file to display in the iFrame
In the context, path is declared as a String variable and mapped to an iFrame. What happen when I lauch the program is the followig error:
com.sap.tc.webdynpro.services.exceptions.InvalidUrlRuntimeException: Invalid URL=D:/Echanges/errorDocAccess.htm
I have checked the path of the error file and it is valid. How do I get to display my file ? The path is on the same server as the portal.
Thanks a lot for your help.
Thibault Schalck

Not solved

Displaying Blob PDF in Portal

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