Re: [phoenix] Turn on validation by default

[Peter Royal]

On Saturday, January 11, 2003, at 03:17  PM, Noel J. Bergman wrote:

Peter Donald wrote:

Can someone go in and turn on schema validation of configuration to
on by default.

Which configuration file?

config.xml

Are you saying that we'd have to have a RELAX-NG
(http://www.oasis-open.org/committees/relax-ng/) schema for our
configuration elements?

Yes. Each block would have a schema describing the format that it expects its configuration to be in.

If so, you would turn this on by default for the
current release of Avalon, rather than document how to do it, and discuss
the proper default for v5 based upon real-world feedback?

If it were turned on, documentation would precede it.

What happens if the validation fails? Does it warn or error out? Have you
consider the impact on client applications?

The SAR will fail to start, with error information written to the phoenix log. Different validators provide different levels of detail on the error (the jing library we use for relax isn't the most descriptive, but sun's relax verifier is much more descriptive)

So I think the plan of action should be:
* Make validator not fail when no schema present for a block
* Document how it all works
* Then turn it on.

Users would then only be negatively impacted if they have invalid config info for a block with an existing schema (basically cornerstone components)
-pete


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