Re: Stack overflow using PdfWriter

> -----Original Message-----
> From: Gylfi Ingvason [mailto:Gylfi.Ingvason@...]
> Sent: Tuesday, June 23, 2009 4:54 PM
> To: 'Post all your questions about iTextSharp here'
> Subject: Re: [itextsharp-questions] Stack overflow using PdfWriter
>
> Thanks Paulo - that's exactly what this smells like.
>
> -----Original Message-----
> From: Paulo Soares [mailto:psoares@...]
> Sent: Tuesday, June 23, 2009 11:44 AM
> To: Post all your questions about iTextSharp here
> Subject: Re: [itextsharp-questions] Stack overflow using PdfWriter
>
> It's probably a bug caused by a lousy tree implementation.
> There's another
> problem in all this in that the tree is only needed when
> altering docs in
> append mode but it's used in all the cases even when 99% of the time a
> simple ArrayList would do. I'll try to find a better tree for
> .NET 1.1.
>
> Paulo
>
> > -----Original Message-----
> > From: Gylfi Ingvason [mailto:Gylfi.Ingvason@...]
> > Sent: Tuesday, June 23, 2009 4:25 PM
> > To: 'Post all your questions about iTextSharp here'
> > Subject: Re: [itextsharp-questions] Stack overflow using PdfWriter
> >
> > Thank you guys.
> >  
> > The job runs to completion with 8 MB of stack using PdfSmarCopy. It
> > still dies with 16 MB using PdfWriter. I've now increased
> the stack to
> > 80 MB and the job is still cooking.
> >  
> > I was aware of the need to bump the stack for large operations, but
> > when you go beyond 20 MB of stack space when processing 200 MB of
> > data, then, in my opinion, something is not right. Keeping a tree
> > balanced should not require that much stack. For my job,
> we're talking
> > roughly 35,000 pages, which is quite a bit, but not astronomical by
> > any standards.
> > I may experiment with increasing the branch size from 10 to
> a 100 and
> > see if that makes a difference, but to me, this sounds like
> a bug, and
> > if fixed, it will likely also increase processing speed
> dramatically
> > for large files.
> >  
> > Gylfi
> >  
> > ________________________________
> >
> > From: Adrian Rotaru [mailto:adrian.rotaru@...]
> > Sent: Tuesday, June 23, 2009 3:47 AM
> > To: Post all your questions about iTextSharp here
> > Subject: Re: [itextsharp-questions] Stack overflow using PdfWriter
> >
> >
> > I also had to increase the stack size to make it work..
> >  
> > Adrian
> >  
> >  
> >  
> >
> > ----- Original Message -----
> > From: Fabrizio Accatino <mailto:fhtino@...>  
> > To: Gylfi.Ingvason@... ; Post all your questions
> about
> > iTextSharp here <mailto:itextsharp-questions@...>
> > Sent: Tuesday, June 23, 2009 10:38 AM
> > Subject: Re: [itextsharp-questions] Stack overflow
> using PdfWriter
> >
> >
> > I had the same problem. My environment was IIS6 but
> it's the same
> > problem.
> > The only solution I found was increasing the stack size of the
> > process/thread.
> >
> >
> >
> > http://sourceforge.net/mailarchive/forum.php?thread_name=2433d
> 6a90804080219u3c60cf17k8ab46345950764f6>
> @mail.gmail.com&forum_name=itex
> 6a90804080219u3c60cf17k8ab46345950764f6> tsharp-questions
> >
> >
> > http://fhtino.blogspot.com/2008/04/iis6-stackoverflow.html
> >
> >
> >   fabrizio
> >
> >
> >
> > On Mon, Jun 22, 2009 at 9:55 PM, Gylfi Ingvason
> > <Gylfi.Ingvason@...> wrote:
> >
> >
> > I'm getting a stack overflow error when concatenating a
> bunch of
> > files using
> > PdfWriter. This occurs in Tree.cs
> > (/trunk/src/coreSystem/util/Collections)
> > where the private Insert member appears to get
> into a state
> where it
> > calls
> > itself recursively until an exception occurs.
> >
> >
> > ........
>
>
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