On Dec 16, 2005, at 8:02 PM, Jan-Ole Esleben wrote:

I don't understand the problem.  How is using XML-RPC incompatible
with persistence?  What are you trying to exclude?

I'm sorry, but I don't understand _that_ question. What am I trying to

You said:

""" it would most certainly be extremely hard to foresee the exact setup of such situations and impossible to exclude them """

XML-RPC and (the concept of) persistence aren't incompatible. XML-RPC
(on a ZOPE server) and ZOPE persistence are, to the extent described
by others in this thread, not by me. I just described a couple more
cases (and specifically one case) where it is bad that things are this
way (and cannot be solved by better design).

AFAICT, people have told you to not use XML-RPC here and when you said it was not possible to avoid the use of XML-RPC, they provided suggestion about how to accomplish what you wanted anyway. So I'm not sure what the exact problem is.

My point is: this doesn't happen _within_ single "programs", but
everywhere there is even the slightest bit of communication there is a
chance of it happening.

The chance of what happening, sorry? I'm still trying to understand the problem. The only problem that was noted so far was a deadlock potential by Dieter which presumed you were doing XML-RPC requests to the same system which accepts them. This is an unusual thing to do; it wouldn't happen under "normal" circumstances.

- C

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