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From: Maruan Sahyoun <sahyoun@fileaffairs.de>
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Subject: Re: ClassCastException - cannot be cast to java.lang.Number on
Date: Mon, 20 May 2013 10:01:46 +0200
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Hi Leo,

would you have a sample pdf where the error occurs to try (please upload =
to a public location as the mailing list doesn't allow attachments) =
together with a sample input?

BR
Maruan Sahyoun

Am 17.05.2013 um 17:24 schrieb Leonard Teo <leonard@ballistiq.com>:

> Hi guys,
>=20
> I have a simple PDFBox application that takes a text string and =
inserts it
> into every page of a PDF file. It is based on the =
AddMessageToEachPage.java
> code in the example given.
>=20
> I'm having an issue where I am getting a ClassCastException on
> CMapParser.java:137. I can see and debug the error, but I don't know =
why it
> would be doing this and I'm not sure what to do.
>=20
> Here is the source code:
> https://gist.github.com/leonardteo/3b8567e7f747ef640b70
>=20
> The error is happening on line 93:
>=20
> contentStream.setFont( font, fontSize );
>=20
>=20
> It works on many PDF's but there are enough of these errors that it is
> causing problems with our users.
>=20
> Any ideas what I'm doing wrong?
>=20
> Thanks,
>=20
> Leo
>=20
>=20
> java.lang.ClassCastException:
> org.apache.fontbox.cmap.CMapParser$Operator cannot be cast to
> java.lang.Number
> 	at org.apache.fontbox.cmap.CMapParser.parse(CMapParser.java:137)
> 	at =
org.apache.pdfbox.pdmodel.font.PDFont.parseCmap(PDFont.java:602)
> 	at =
org.apache.pdfbox.pdmodel.font.PDSimpleFont.extractToUnicodeEncoding(PDSim=
pleFont.java:454)
> 	at =
org.apache.pdfbox.pdmodel.font.PDSimpleFont.determineEncoding(PDSimpleFont=
.java:422)
> 	at =
org.apache.pdfbox.pdmodel.font.PDType1Font.determineEncoding(PDType1Font.j=
ava:269)
> 	at org.apache.pdfbox.pdmodel.font.PDFont.<init>(PDFont.java:194)
> 	at =
org.apache.pdfbox.pdmodel.font.PDSimpleFont.<init>(PDSimpleFont.java:84)
> 	at =
org.apache.pdfbox.pdmodel.font.PDType1Font.<init>(PDType1Font.java:152)
> 	at =
org.apache.pdfbox.pdmodel.font.PDFontFactory.createFont(PDFontFactory.java=
:88)
> 	at =
org.apache.pdfbox.pdmodel.PDResources.getFonts(PDResources.java:187)
> 	at =
org.apache.pdfbox.pdmodel.PDResources.addFont(PDResources.java:518)
> 	at =
org.apache.pdfbox.pdmodel.edit.PDPageContentStream.setFont(PDPageContentSt=
ream.java:308)
> 	at PDFStamper.stamp(PDFStamper.java:96)
> 	at PDFStamper.main(PDFStamper.java:128)


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