Oh yeah, cookies. Okay.

Is there a workaround/Product that solves this problem? If it's just
a cookie thing, I don't know what it would be but I figure it doesn't hurt
to ask.

On Thu, 9 Nov 2000, Shane Hathaway wrote:

> Aaron Straup Cope wrote:
> > 
> > I am trying to understand what exactly is going on when Zope returns an
> > Error -5 page.
> > 
> > Normally, this only happens on the left hand navigational menu but today
> > it happened while I was expanding an xml document/tree object from the
> > Examples package for the XML Document product.
> > 
> > I've tried searching Google, the Zope site and the mailing list but to no
> > avail. Could someone please explain what's going on here? Is it me? Is it
> > Zope? How exactly do I prevent these errors from happening?
> 
> Here's my guess: you have a complex XML document.  As you explore the
> document, Zope is setting a cookie that reflects the list of branches
> you have opened.  After opening a large number of branches, you reach
> the limit on the size of a cookie (somewhere in the range of 1024 or
> 4096 bytes), making it so that the compressed data stored in the cookie
> gets truncated.  zlib then emits this cryptic error message.
> 
> Shane
> 
> > 
> > Thanks,
> > 
> > Error Type: zlib.error
> > Error Value: Error -5 while decompressing data: []
> > 
> > Traceback (innermost last):
> >   File /usr/local/zope.old/lib/python/ZPublisher/Publish.py, line 222, in
> > publish_module
> >   File /usr/local/zope.old/lib/python/ZPublisher/Publish.py, line 187, in
> > publish
> >   File /usr/local/zope.old/lib/python/Zope/__init__.py, line 221, in
> > zpublisher_exception_hook
> >     (Object: Traversable)
> >   File /usr/local/zope.old/lib/python/ZPublisher/Publish.py, line 171, in
> > publish
> >   File /usr/local/zope.old/lib/python/ZPublisher/mapply.py, line 160, in
> > mapply
> >     (Object: tree)
> >   File /usr/local/zope.old/lib/python/ZPublisher/Publish.py, line 112, in
> > call_object
> >     (Object: tree)
> >   File /usr/local/zope.old/lib/python/OFS/DTMLDocument.py, line 177, in
> > __call__
> >     (Object: tree)
> >   File /usr/local/zope.old/lib/python/DocumentTemplate/DT_String.py, line
> > 528, in __call__
> >     (Object: tree)
> >   File /usr/local/zope.old/lib/python/TreeDisplay/TreeTag.py, line 154, in
> > render
> >     (Object: test[0])
> >   File /usr/local/zope.old/lib/python/TreeDisplay/TreeTag.py, line 229, in
> > tpRender
> >     (Object: Manageable)
> >   File /usr/local/zope.old/lib/python/TreeDisplay/TreeTag.py, line 637, in
> > decode_seq
> > zlib.error: (see above)
> > 
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