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BUG - Nuxeo Studio generating syntactically invalid schema for nested complex types

Hello, I'm noticing that if you create a schema in Nuxeo Studio with the advanced config option “allow nested complex types”, then actually create nested complex types, the XSD that gets generated is syntactically incorrect. Here's a snippet of the XSD that gets generated:

<xs:complexType name="glanswer_answersType">
<xs:sequence>
  <xs:element name="answerContent" type="xs:string"/>
  <xs:element name="properties" type="nxs:glanswer_propertiesListType"/>
  <xs:complexType name="glanswer_propertiesListType">
    <xs:sequence>
      <xs:element name="item" type="nxs:glanswer_propertiesType" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="glanswer_propertiesType">
    <xs:sequence>
      <xs:element name="name" type="xs:string"/>
      <xs:element name="value" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>
</xs:sequence>

Notice the <xs:complexType> nested which XSD doesn't allow. As it stands now, i have to manually edit the schema as a workaround.

I'm observing this behavior on Nuxeo Studio 2.15 on my DM 5.8-HF01

thanks

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2 answers

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Anahide Tchertchian

Hi,

Could you please provide detailed steps to reproduce the issue?

Thanks

11/22/2013

russtrotter

Ok, here's what I did (all within studio):

go to Content Model->Schemas
click +New schema
enter featureid "bugtest" and prefix "bugtest", check the "allow complex nested types"
add a field named "nest1" , type "Complex", check "Multivalued"
on "nest1" field, click Edit next to Complex
add a field named "nest2", type "Complex", check "Multivalued"
on "nest2" field, click Edit next to Complex
add a field named "foo" type String
click Save
click Save

Switch over to Nuxeo DM

go to Admin Center
click Update Center
click Update

In Nuxeo DM logs, i see this: 2013-11-22 07:22:19,720 ERROR [http-bio-0.0.0.0-8080-exec-5] [org.nuxeo.ecm.core.schema.XSDLoader] FatalError: Unexpected <xs:complexType> appears at line 44 column 52 2013-11-22 07:22:19,721 ERROR [http-bio-0.0.0.0-8080-exec-5] [org.nuxeo.ecm.core.schema.SchemaManagerImpl] org.xml.sax.SAXParseException; systemId: file:/Users/rtrotter/Downloads/nuxeo-cap-5.8-tomcat/nxserver//schemas/bugtest.xsd; lineNumber: 44; columnNumber: 52; Unexpected <xs:complexType> appears at line 44 column 52

For completeness, here are lines 35 through 55 of bugtest.xsd as it got generated from studio:

<xs:element name="nest1" type="nxs:bugtest_nest1ListType"/> <xs:complexType name="bugtest_nest1ListType">

&lt;xs:sequence&gt;
  &lt;xs:element name=&quot;item&quot; type=&quot;nxs:bugtest_nest1Type&quot; minOccurs=&quot;0&quot; maxOccurs=&quot;unbounded&quot;/&gt;
&lt;/xs:sequence&gt;

</xs:complexType> <xs:complexType name="bugtest_nest1Type">

&lt;xs:sequence&gt;
  &lt;xs:element name=&quot;nest2&quot; type=&quot;nxs:bugtest_nest2ListType&quot;/&gt;
  &lt;xs:complexType name=&quot;bugtest_nest2ListType&quot;&gt;
    &lt;xs:sequence&gt;
      &lt;xs:element name=&quot;item&quot; type=&quot;nxs:bugtest_nest2Type&quot; minOccurs=&quot;0&quot; maxOccurs=&quot;unbounded&quot;/&gt;
    &lt;/xs:sequence&gt;
  &lt;/xs:complexType&gt;
  &lt;xs:complexType name=&quot;bugtest_nest2Type&quot;&gt;
    &lt;xs:sequence&gt;
      &lt;xs:element name=&quot;foo&quot; type=&quot;xs:string&quot;/&gt;
    &lt;/xs:sequence&gt;
  &lt;/xs:complexType&gt;
&lt;/xs:sequence&gt;

</xs:complexType>

11/22/2013

Anahide Tchertchian

Thanks a lot for the report and the detailed steps to reproduce!

I've created https://jira.nuxeo.com/browse/NXS-1851 if you'd like to follow the resolution.

11/22/2013

russtrotter

Thanks for the update! My user creds don't have access to the NXS jira space, so i might just have to keep my fingers crossed :-) Is there any way to get read-only access to it?

11/22/2013

Anahide Tchertchian

Ah ok, i thought it was public, i'll look into it

11/22/2013

Anahide Tchertchian

Hi,

You should be able to see the issue now

11/26/2013

ANSWERS

Hi,

The corresponding bug (https://jira.nuxeo.com/browse/NXS-1851) is now fixed, thanks again for the report and the steps to reproduce.

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This isn't really a full answer, but it's an acceptable workaround. I still think the underlying issue is a bug in studio.

After I “Update” from “Update Center” to pull down the latest studio stuff, I do the following:

edit offending schema that get unpacked from the studio bundle in nxserver/schemas directory, fix busted syntax
in studio, delete the GUI-created schemas
create new schemas with the same name/prefix as the originals, but use the Advanced option to “Import” an XSD
Upload the edited schema

When you next run the update, Nuxeo DM reinitializes correctly, and no errors processing the schema.

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BUG - Nuxeo Studio generating syntactically invalid schema for nested complex types

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