Or you can restart MarkLogic, which will also clear the cache.

-----Original Message-----
From: general-boun...@developer.marklogic.com 
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Mary Holstege
Sent: Monday, July 14, 2014 12:28 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Strict validation error encountered in ML7 
but not in ML6

On Mon, 14 Jul 2014 10:43:40 -0700, Tim <t...@aaom.net> wrote:

> How do I clear the expanded tree cache?

xdmp:expanded-tree-cache-clear()

You need to be admin to run it.

>
> Tim
>
> -----Original Message-----
> From: Mary Holstege [mailto:mary.holst...@marklogic.com]
> Sent: Saturday, July 12, 2014 9:56 PM
> To: 'MarkLogic Developer Discussion'; Tim
> Subject: Re: [MarkLogic Dev General] Strict validation error 
> encountered in ML7 but not in ML6
>
> On Sat, 12 Jul 2014 12:45:47 -0700, Tim <t...@aaom.net> wrote:
>
>> After a little more investigating, it looks like there is a problem 
>> updating a schema.  In this case I'm simply adding some optional 
>> element attributes to the schema and updating it in the schemas 
>> database, but strict validation of a document is failing.  When I 
>> revert back to the previous schema it validates just fine.  What is up with 
>> that?
>
> A couple of thoughts here:
> Do you have other schemas around for the same namespace?
> Unless you are very careful with schema locations in that case, the 
> lookup-by-namespace may grab the wrong one.
>
> You might also try clearing the expanded tree cache after loading a new 
> schema. The schema information associated with a particular document is 
> cached in the representation of it in the expanded tree cache and that can be 
> sticky across changes to a particular schema stored in the database.
> The system isn't really designed to accommodate on-the-fly schema changes 
> like that.
>
>> It also appears that my schema was updated automatically at some 
>> point to include the use="optional" attribute  for optional schema 
>> attributes and that elements were updated with the nillible="false" and 
>> abstract="false" attributes.
>> I don't understand why this happened.  Fortunately the update posed 
>> no problems with validation, but it is out of sync with the original 
>> schema in my repository
>> - kind of weird.
>
> I think what you are seeing here is defaulted attributes being serialized.
> (They are getting defaulted from the schema-for-schemas). This is a 
> serialization issue entirely, and there are controls for when they get 
> included in serialization. I suspect you may be copying the schema XDM 
> instance in some way, because the default is to not include them in the 
> serialization.
> More recent versions avoid serializing them on copies as well.
>
> //Mary
>
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>


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