HI Evan, Hmm. I just did the same test and was surprised. But yes, still logging the error seems to match the documentation.. Sorry about that. My only other suggestion is: Is there any common code used as some sort of standard invoker/router to the rest of your code? If so, that may be the best place to put a tray catch and let the rest bubble up to that point.
Regards, David -- From: <general-boun...@developer.marklogic.com> on behalf of Evan Lenz <e...@evanlenz.net> Reply-To: MarkLogic Developer Discussion <general@developer.marklogic.com> Date: Thursday, January 25, 2018 at 1:43 AM To: MarkLogic Developer Discussion <general@developer.marklogic.com> Subject: Re: [MarkLogic Dev General] Exit query without writing to error log? Hi David, Following up on this. I tried the custom error handler, and it appears that the errors are not actually caught but just forwarded to the error-handler XQuery. The impact of this for me (and which is what I'm trying to address) is that the errors are still written to the error log, regardless of whether they are handled by a custom error handler. Does this accord with your understanding of how it's supposed to work? Do you have any other ideas for how to prevent the writing to the error log? If not, we will probably need to restructure the queries to not throw an XQuery error at all and just send the appropriate response code and error message. Darn, oh well. Thanks, Evan On Wed, Jan 24, 2018 at 2:45 PM, Evan Lenz <e...@evanlenz.net<mailto:e...@evanlenz.net>> wrote: Thanks, guys. David, the custom error handler is a great idea. I had forgotten about this option. We're not currently using it but definitely will soon. It will help us move forward without fundamentally changing the structure of many queries. It will enable us to wrap a virtual try/catch around everything without having to change the code itself. Very helpful! Thanks again, Evan On Wed, Jan 24, 2018 at 4:57 AM, David Ennis <david.en...@marklogic.com<mailto:david.en...@marklogic.com>> wrote: HI. Further to Florent’s comment, assuming your code is OK with the error bubbling up to the top, you can catch them all in a single place and act accordingly using a custom error handler. Using this in conjunction with throwing your own errors (and handling the code in the top-level handler) can be useful. https://docs.marklogic.com/guide/app-dev/appserver-control#id_89735 Regards, David -- From: <general-boun...@developer.marklogic.com<mailto:general-boun...@developer.marklogic.com>> on behalf of Florent Georges <li...@fgeorges.org<mailto:li...@fgeorges.org>> Reply-To: MarkLogic Developer Discussion <general@developer.marklogic.com<mailto:general@developer.marklogic.com>> Date: Wednesday, January 24, 2018 at 1:53 PM To: MarkLogic Developer Discussion <general@developer.marklogic.com<mailto:general@developer.marklogic.com>> Subject: Re: [MarkLogic Dev General] Exit query without writing to error log? Hi Evan, The error is logged only if it "reaches the top", that is, if it is not caught. If the error shouldn't behave as such, can't you just catch it before? (and yes, potentially return wathever HTTP response you deem appropriate). Regards, -- Florent Georges H2O Consulting http://h2o.consulting/ On 24 January 2018 at 03:22, Evan Lenz wrote: Hello, My client has XQuery parameter-validation code which calls the error() function when invalid parameters are supplied. This event gets written to the error log. Is there a way to prevent this? I recognize the best practice is to return a more appropriate HTTP response code (than 500) when handling invalid input. I also recognize this is anathema to FP. But my question still stands: Is there a way to interrupt/exit a query without triggering an Error-level log message? Thanks, Evan Lenz President, Lenz Consulting Group, Inc. http://lenzconsulting.com _______________________________________________ General mailing list General@developer.marklogic.com<mailto:General@developer.marklogic.com> Manage your subscription at: http://developer.marklogic.com/mailman/listinfo/general _______________________________________________ General mailing list General@developer.marklogic.com<mailto:General@developer.marklogic.com> Manage your subscription at: http://developer.marklogic.com/mailman/listinfo/general
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