Hello,
We are attempting to merge several documents. The merge process works fine
until we we include a PDF document that was originally a FDF document. We get a
class cast exception:
That is thrown from the createWidgets method of PdfCopyMerge. Here is the
source code and stack trace. Is there a workaround for this?
SOURCE CODE FOR CREATION OF PDF FROM FDF:
public static void createPdfFromFdfDocument (
String aTemplatePdfFile,
byte [] aFdfContent,
OutputStream aOutputStream
)
throws Throwable
{
if (aFdfContent != null && aOutputStream != null)
{
FdfReader myFdfReader = new FdfReader(aFdfContent);
PdfReader myPdfReader = new PdfReader(aTemplatePdfFile);
PdfStamper myPdfStamper = new PdfStamper(myPdfReader, aOutputStream);
AcroFields form = myPdfStamper.getAcroFields();
form.setFields(myFdfReader);
myPdfStamper.close();
}
}
SOURCE CODE FOR MERGE:
/*===============================================================*/
/* Retreive each individual pdf document and merge into one. */
/*===============================================================*/
myByteArrayOutputStream = new ByteArrayOutputStream();
myPdfCopyMerge = new PdfCopyMerge(myByteArrayOutputStream);
myIterator = myGuidList.iterator();
while (myIterator.hasNext())
{
String myGuid = (String)myIterator.next();
byte[] myDocument = myContextObject.getDocumentForGuid(myGuid);
PdfReader myPdfReader = new PdfReader(myDocument);
myPdfCopyMerge.addDocument(myPdfReader);
}
/*===============================================================*/
/* Close object so we can get merged pdf content. */
/*===============================================================*/
myPdfCopyMerge.close();
myMergedContent = myByteArrayOutputStream.toByteArray();
STACK TRACE:
|INFO |ERROR |[Caught] ExceptionConverter: java.lang.ClassCastException
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |createWidgets |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |mergeField |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |mergeWithMaster |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |mergeFields |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |closeIt |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|Unknown Source |n/a
|PdfCopyMerge |close |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|ImagingS.orMerge|
273|ImagingServi.cessorMerge|processRequest |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|ImagingS.Servlet|
491|ImagingServiceServlet |processClientRequest |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|ImagingS.Servlet|
237|ImagingServiceServlet |doPost |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|HttpServlet |
760|HttpServlet |service |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
| 74| |16:46:19.681 CST|HttpServlet |
853|HttpServlet |service |
|ExecuteThr..Default'|Thread Group fo.ernel.Default'|
| |INFO |ERROR | <<< Stack TRACE >>>
-------------------------------------------------------
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