[Zope-dev] Re: Bare "except" dangerous to ZODB? was Re: [Zope-dev] Accept-Charset hearders causing 500 internal server error.[correct but not lenient]

Chris McDonough chrism@zope.com
10 Feb 2003 17:46:04 -0500


Could this be done by initializing a dictionary at startup keyed on
thread-id that a ConflictError exception's __init__ could stick a marker
into, then checking that dictionary at commit time and disallowing the
commit if the marker still existed? 

On Mon, 2003-02-10 at 15:47, Shane Hathaway wrote:
> "tal:on-error" also catches all exceptions.  It could be made to catch 
> all exceptions except ConflictError, but I don't feel like that's the 
> right solution.  I think the right solution is to prevent applications 
> from committing potentially conflicting data, even when ConflictErrors 
> are ignored.
> 
> This doesn't seem to be a showstopper for now, but as more applications 
> use ZODB, it could become a bigger problem.