[midPoint] assignmentTargetSearch "null polystring orig" error

Radovan Semancik radovan.semancik at evolveum.com
Mon Dec 7 17:36:38 CET 2015


Thanks. Documentation is fixed.

On 12/07/2015 05:31 PM, Devin Rosenbauer wrote:
> Perfect! That appears to work!
>
> I found it in various places:
>
> The expression explained here simply doesn't work in 3.3. I had to 
> modify quite a few things:
> https://wiki.evolveum.com/display/midPoint/Expression#Expression-AssignmentTargetSearch
>
> The search filter layout I used was here:
> https://wiki.evolveum.com/display/midPoint/XML+Object+Query
>
> After reading those pages, I misread the sample at 
> /samples/demo-generic synchronization/object-template-user.xml and 
> missed that there was indeed no <q:value> tag in the sample. I had 
> also poked around through the schema and observed that <value> was an 
> allowed field at that location, so I figured that couldn't have been 
> the problem.
>
> Thanks!
>
>
>
>
> On Mon, Dec 7, 2015 at 11:20 AM, Radovan Semancik 
> <radovan.semancik at evolveum.com <mailto:radovan.semancik at evolveum.com>> 
> wrote:
>
>     Hi,
>
>     I have extended our object template tests to make sure that this
>     case works. And it really works. After extending the tests I have
>     found the error in your definition.
>
>     Instead of
>
>                    <q:equal>
>                       <q:path>c:name</q:path>
>                       <q:value>
>                          <expression>
>     <path>$givenName</path>
>                          </expression>
>                       </q:value>
>                    </q:equal>
>
>     use
>
>                    <q:equal>
>                       <q:path>c:name</q:path>
>     <expression>
>     <path>$givenName</path>
>                       </expression>
>                    </q:equal>
>
>
>     i.e. remove the <q:value> element. In your case midPoint
>     interpreted the whole <expression>...</expression> as a literal
>     value which caused strange things to happen ...
>
>     BTW, could you point me to the documentation that you have used to
>     create your code, please? It perhaps needs an update.
>
>     -- 
>     Radovan Semancik
>     Software Architect
>     evolveum.com <http://evolveum.com>
>
>
>
>     On 12/07/2015 04:05 PM, Devin Rosenbauer wrote:
>>     In this case, I'm actually not making any changes to the input
>>     object. Given Name is already set to the value that shows up in
>>     the error message ("Devin"), and I'm just hitting Save with the
>>     Reconcile checkbox checked.
>>
>>     However, this also happens if I change the name to something
>>     else. In both cases, it's not null.
>>
>>     On Mon, Dec 7, 2015 at 10:02 AM, Radovan Semancik
>>     <radovan.semancik at evolveum.com
>>     <mailto:radovan.semancik at evolveum.com>> wrote:
>>
>>         Hi,
>>
>>         I have similar mapping working in our story tests.
>>
>>         How does your input object looks like? I mean, how does the
>>         user looks like before it is processed by the template?
>>         Is there any chance that the givenName is null?
>>
>>         The evaluation of null expressions has changed a bit in 3.3.
>>         But I think that your expression should work and you are
>>         probably hitting a but. I will need more data to replicate it.
>>
>>         -- 
>>         Radovan Semancik
>>         Software Architect
>>         evolveum.com <http://evolveum.com>
>>
>>
>>
>>         On 12/04/2015 05:15 PM, Devin Rosenbauer wrote:
>>>         Can anybody else please try this mapping on their end and
>>>         see if it works?
>>>
>>>         On Tue, Dec 1, 2015 at 1:51 PM, Devin Rosenbauer
>>>         <devin at identityworksllc.com
>>>         <mailto:devin at identityworksllc.com>> wrote:
>>>
>>>             Version is 3.3.
>>>
>>>             I've got the following in my user template, based on a
>>>             somewhat modified version of what's in the documentation
>>>             online:
>>>
>>>               <mapping>
>>>                   <source>
>>>             <c:path>$user/givenName</c:path>
>>>                   </source>
>>>                   <expression>
>>>             <assignmentTargetSearch>
>>>             <targetType>c:OrgType</targetType>
>>>                         <filter>
>>>             <q:equal>
>>>             <q:path>c:name</q:path>
>>>             <q:value>
>>>             <expression>
>>>             <path>$givenName</path>
>>>             </expression>
>>>             </q:value>
>>>             </q:equal>
>>>                         </filter>
>>>             <createOnDemand>true</createOnDemand>
>>>             <populateObject>
>>>             <populateItem>
>>>             <expression>
>>>             <c:path>$givenName</c:path>
>>>             </expression>
>>>             <target>
>>>             <c:path>name</c:path>
>>>             </target>
>>>             </populateItem>
>>>             </populateObject>
>>>             </assignmentTargetSearch>
>>>                   </expression>
>>>                   <target>
>>>             <c:path>assignment</c:path>
>>>                   </target>
>>>                </mapping>
>>>
>>>             I expect that this would create an Org called "Devin"
>>>             and assign the user to it.
>>>
>>>             Here's what I get as an error message when I attempt to
>>>             save and reconcile the user:
>>>
>>>              *
>>>                 Failed to convert query. Reason: Null polystring
>>>                 orig in XNode(map:1
>>>                 entries)(givenName=PPV(PolyString:Devin); ) in
>>>                 expression in mapping in
>>>                 objectTemplate:c0c010c0-d34d-b33f-f00d-777222222334(User
>>>                 Template 2)
>>>                  o
>>>                     operation.com.evolveum.midpoint.web.page.admin.PageAdminFocus.save
>>>
>>>                   o _Cause:_
>>>
>>>                     Failed to convert query. Reason: Null polystring
>>>                     orig in XNode(map:1
>>>                     entries)(givenName=PPV(PolyString:Devin); ) in
>>>                     expression in mapping in
>>>                     objectTemplate:c0c010c0-d34d-b33f-f00d-777222222334(User
>>>                     Template 2)
>>>
>>>             The documentation on the Expressions page and the
>>>             samples appear to be somewhat incorrect here. I've had
>>>             to make some corrections from <query> to <filter>,
>>>             adding a <source>, and so forth. I also am temporarily
>>>             using an OOTB field instead of a custom field to ensure
>>>             that it's a PolyString and not an xsd:string, just to
>>>             make sure that wasn't the issue.
>>>
>>>             At this point, it seems pretty clear that it is grabbing
>>>             the value in the XNodeMap, since it's printed in the
>>>             error message.
>>>
>>>             So, how should this mapping be structured to do what I
>>>             need to do?
>>>
>>>             -- 
>>>             Devin Rosenbauer
>>>             Principal Consultant
>>>             Identity Works LLC
>>>             +1 585 210 3201 <tel:%2B1%20585%20210%203201>
>>>
>>>
>>>
>>>
>>>         -- 
>>>         Devin Rosenbauer
>>>         Principal Consultant
>>>         Identity Works LLC
>>>         +1 585 210 3201 <tel:%2B1%20585%20210%203201>
>>>
>>>
>>>         _______________________________________________
>>>         midPoint mailing list
>>>         midPoint at lists.evolveum.com <mailto:midPoint at lists.evolveum.com>
>>>         http://lists.evolveum.com/mailman/listinfo/midpoint
>>
>>
>>
>>         _______________________________________________
>>         midPoint mailing list
>>         midPoint at lists.evolveum.com <mailto:midPoint at lists.evolveum.com>
>>         http://lists.evolveum.com/mailman/listinfo/midpoint
>>
>>
>>
>>
>>     -- 
>>     Devin Rosenbauer
>>     Principal Consultant
>>     Identity Works LLC
>>     +1 585 210 3201 <tel:%2B1%20585%20210%203201>
>>
>>
>>     _______________________________________________
>>     midPoint mailing list
>>     midPoint at lists.evolveum.com <mailto:midPoint at lists.evolveum.com>
>>     http://lists.evolveum.com/mailman/listinfo/midpoint
>
>
>
>     _______________________________________________
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>     http://lists.evolveum.com/mailman/listinfo/midpoint
>
>
>
>
> -- 
> Devin Rosenbauer
> Principal Consultant
> Identity Works LLC
> +1 585 210 3201
>
>
> _______________________________________________
> midPoint mailing list
> midPoint at lists.evolveum.com
> http://lists.evolveum.com/mailman/listinfo/midpoint


-- 
Radovan Semancik
Software Architect
evolveum.com

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