Hi
I'm trying to generate PDF from .jsp code (using jakarta-tomcat) but not
successfully. It goes like
<%@
page import="java.io.*,
com.lowagie.text.*,
com.lowagie.text.pdf.*"
%>
<%
response.setContentType( "application/pdf" );
// step 1: creation of a document-object
Document document = new Document();
// step 2:
// we create a writer that listens to the document
// and directs a PDF-stream to a temporary buffer
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
PdfWriter.getInstance( document, buffer );
// step 3: we open the document
document.open();
// step 4: we add a paragraph to the document
document.add(new Paragraph("Hello World"));
// step 5: we close the document
document.close();
// step 6: we output the writer as bytes to the response output
DataOutput output = new DataOutputStream( response.getOutputStream() );
byte[] bytes = buffer.toByteArray();
response.setContentLength(bytes.length);
for( int i = 0; i < bytes.length; i++ ) { output.writeByte( bytes[i] ); }
%>
Sample code taken from itext
i get the following error
Error: 500
Location: /wls/cmweb/pdfgeneration.jsp
Internal Servlet Error:
java.lang.IllegalStateException: OutputStream is already being used for this
request
at
org.apache.tomcat.facade.HttpServletResponseFacade.getWriter(HttpServletResponseFacade.java:175)
at org.apache.jasper.runtime.JspWriterImpl.initOut(JspWriterImpl.java:166)
at
org.apache.jasper.runtime.JspWriterImpl.flushBuffer(JspWriterImpl.java:158)
Anand
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