Are there other causes?  I have a process that converts literally  
thousands of PDFs and saves them in the database.  Several times, I  
run into this issue.
Dumping the problem PDFs shows that they all begin with '%PDF-1.4'.    
Acrobat, Reader, etc., all display them properly.  I'm using the 2.1.2  
version.




On May 9, 2009, at 3:43 AM, 1T3XT info wrote:

> neena jindal wrote:
>> hi...
>> does anybody know why this error is generated..
>>
>> Exception in thread "main" java.io.IOException: PDF header  
>> signature not
>> found.
>
> As documented and answered many, many times on this mailing list:
> you are trying to read a PDF that doesn't have a PDF header!!!
> Your file doesn't start with "%PDF-".
> --
> This answer is provided by 1T3XT BVBA
> http://www.1t3xt.com/ - http://www.1t3xt.info
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