Hi Dmitry,

If you're using the latest version of iText (5.4.2), could you provide 
those PDFs to us?
If you're not, could you upgrade and check your PDFs again?

Kind regards,
Michaƫl.


Op 3/06/2013 12:50, Dmitry Katsubo schreef:
> Dear iText developers,
>
> I have noticed that for certain (perhaps not well-formed) PDFs following
> exceptions are thrown:
>
>   * NumberFormatException in PdfNumber
>
>     java.lang.RuntimeException: - is not a valid number -
>     java.lang.NumberFormatException: For input string: "-"
>          at com.itextpdf.text.pdf.PdfNumber.<init>(PdfNumber.java:83)
>          at
>     
> com.itextpdf.text.pdf.PdfContentParser.readPRObject(PdfContentParser.java:180)
>          at
>     com.itextpdf.text.pdf.PdfContentParser.parse(PdfContentParser.java:89)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor.processContent(PdfContentStreamProcessor.java:359)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfReaderContentParser.processContent(PdfReaderContentParser.java:41)
>
>     It looks like there should be an additional check in PdfNumber that
>     input string is actually a number and perhaps ignore it in case it
>     is not.
>
>   * StringIndexOutOfBoundsException in SimpleTextExtractionStrategy
>
>     java.lang.StringIndexOutOfBoundsException: String index out of range: 0
>          at java.lang.String.charAt(String.java:686)
>          at
>     
> com.itextpdf.text.pdf.parser.SimpleTextExtractionStrategy.renderText(SimpleTextExtractionStrategy.java:126)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor.displayPdfString(PdfContentStreamProcessor.java:304)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor.access$2500(PdfContentStreamProcessor.java:75)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor$ShowTextArray.invoke(PdfContentStreamProcessor.java:428)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor.invokeOperator(PdfContentStreamProcessor.java:247)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfContentStreamProcessor.processContent(PdfContentStreamProcessor.java:366)
>          at
>     
> com.itextpdf.text.pdf.parser.PdfReaderContentParser.processContent(PdfReaderContentParser.java:41)
>
>     Additional check for string length is required or perhaps
>     StringUtils.substring(renderInfo.getText(), 0, 1) will be safe enough.
>
>
>
>
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>
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>
> iText(R) is a registered trademark of 1T3XT BVBA.
> Many questions posted to this list can (and will) be answered with a 
> reference to the iText book: http://www.itextpdf.com/book/
> Please check the keywords list before you ask for examples: 
> http://itextpdf.com/themes/keywords.php
>


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iText(R) is a registered trademark of 1T3XT BVBA.
Many questions posted to this list can (and will) be answered with a reference 
to the iText book: http://www.itextpdf.com/book/
Please check the keywords list before you ask for examples: 
http://itextpdf.com/themes/keywords.php

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