Free Solution for PDF in APEX
PL_FPDF ( ver )
PDFBLOB ( ver )
anyone use these tools?
have documentation?
what is your opinion?
there is something better?
Edited by: e:// on 16/07/2010 16:29
hello,
I already applied configurations for JasperReports and Apex integration but I still encountered errors... I can't view the sample pdf evertym I open it.
Can you help me with this one?
thanks...
Muffinboy
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I have created a pdf report on jasperserver and I can call it from apex via a url and it displays fine. The url is this format {http://server:port/jasperserver/flow.html?_flowId=viewReportFlow&reportUnit=/reports/Apex/deptemp&output=pdf&deptNo=#DEPTNO#&j_username=un&j_password=pw}
However, I am trying to follow a stored procedure executed from Apex so it would not expose the username/pwd in the url like above.
If I am reading the apache error log correctly it is erroring in this piece of the code below where it executes {Dbms_Lob.writeAppend}
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Utl_Http.end_response(vResponse);}
The error log says this; HTTP-500 ORA-14453: attempt to use a LOB of a temporary table, whose data has alreadybeen purged\n
What is this error telling me and how can I correct it?
The stored procedure I am following is below but replaced the vReportURL with my url like above that works.
Thank you,
Mark
{CREATE OR REPLACE procedure runJasperReport(i_deptno in varchar2)
is
vReportURL varchar2(255);
vBlobRef blob;
vRequest Utl_Http.req;
vResponse Utl_Http.resp;
vData raw(32767);
begin
-- build URL to call the report
vReportURL := 'http://host:port/jasperserver/flow.html?_flowId=viewReportFlow'||
'&reportUnit=/reports/Apex/deptemp'||
'&output=pdf'||
'&j_username=un&j_password=pw'||
'&deptNo='||i_deptno;
-- get the blob reference
insert into demo_pdf (pdf_report)
values( empty_blob() )
returning pdf_report into vBlobRef;
-- Get the pdf file from JasperServer by simulating a report call from the browser
vRequest := Utl_Http.begin_request(vReportUrl);
Utl_Http.set_header(vRequest, 'User-Agent', 'Mozilla/4.0');
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/}I am new to working with working with jasperserver to apex interfacing, and also using utl_http with binary data.
But I guess typing my question down helped me figure out a way to make it work for me.
I combined info from http://www.oracle-base.com/articles/misc/RetrievingHTMLandBinariesIntoTablesOverHTTP.php
and from http://sqlcur.blogspot.com/2009_02_01_archive.html
to come up with this procedure.
{create or replace PROCEDURE download_file (p_url IN VARCHAR2) AS
l_http_request UTL_HTTP.req;
l_http_response UTL_HTTP.resp;
l_blob BLOB;
l_raw RAW(32767);
BEGIN
-- Initialize the BLOB.
DBMS_LOB.createtemporary(l_blob, FALSE);
-- Make a HTTP request, like a browser had called it, and get the response
l_http_request := UTL_HTTP.begin_request(p_url);
Utl_Http.set_header(l_http_request, 'User-Agent', 'Mozilla/4.0');
l_http_response := UTL_HTTP.get_response(l_http_request);
-- Copy the response into the BLOB.
BEGIN
LOOP
UTL_HTTP.read_raw(l_http_response, l_raw, 32767);
DBMS_LOB.writeappend (l_blob, UTL_RAW.length(l_raw), l_raw);
END LOOP;
EXCEPTION
WHEN UTL_HTTP.end_of_body THEN
UTL_HTTP.end_response(l_http_response);
END;
-- make it display in apex
owa_util.mime_header('application/pdf',false);
htp.p('Content-length: ' || dbms_lob.getlength(l_blob));
owa_util.http_header_close;
wpg_docload.download_file(l_blob);
-- Release the resources associated with the temporary LOB.
DBMS_LOB.freetemporary(l_blob);
EXCEPTION
WHEN OTHERS THEN
UTL_HTTP.end_response(l_http_response);
DBMS_LOB.freetemporary(l_blob);
RAISE;
END download_file; }
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so I had to use a blank page with a call to my procedure in the onload - before header process and that seems to work ok.
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>>> alscud <[email protected]> 4/9/2012 9:34 PM >>>
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