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not able to parse extended xml schema

avinash sudh

Joined: Apr 22, 2013
Posts: 8
Hi all,

I am trying to generate java classes out of ApiExceptionExtended.xsd. ApiExceptionExtended.xsd is an extension of ApiException.xsd.
However I am running into this error.

C:\Users\avinashms\POC\xero_POC\XSD_Download\XeroAPI-Schemas-master\v2.00\xsd_experiment>xjc -d src -p org.xero.poc.apiextended ApiExceptionExtended.xsd

parsing a schema...
[ERROR] cos-all-limited.1.2: An all model group must appear in a particle with {min occurs} = {max occurs} = 1, and that particle must be part of a pair which constitutes the {content type} of a complex ty
pe definition.
line 35 of file:/C:/Users/avinashms/POC/xero_POC/XSD_Download/XeroAPI-Schemas-master/v2.00/xsd_experiment/ApiExceptionExtended.xsd

[ERROR] s4s-elt-invalid-content.1: The content of '#AnonType_ElementsApiExceptionExtended' is invalid. Element 'element' is invalid, misplaced, or occurs too often.
line 38 of file:/C:/Users/avinashms/POC/xero_POC/XSD_Download/XeroAPI-Schemas-master/v2.00/xsd_experiment/ApiExceptionExtended.xsd
Below are the ApiException.xsd and ApiExceptionExtended.xsd files :

ApiException.xsd file :

<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="ApiException" elementFormDefault="qualified" xmlns:xs="">

<!-- API Exception -->
<xs:complexType name="ApiException">
<xs:element name="ErrorNumber" type="xs:integer" minOccurs="1" maxOccurs="1" />
<xs:element name="Type" type="xs:string" minOccurs="1" maxOccurs="1" />
<xs:element name="Message" type="xs:string" minOccurs="1" maxOccurs="1" />



ApiExceptionExtended.xsd file :

<?xml version="1.0" encoding="utf-8"?>
<xs:schema id="ApiException"

<xs:include schemaLocation="ApiException.xsd" />

<xs:include schemaLocation="Account.xsd" />
<xs:include schemaLocation="BankTransaction.xsd" />
<xs:include schemaLocation="BrandingTheme.xsd" />
<xs:include schemaLocation="Contact.xsd" />
<xs:include schemaLocation="CreditNote.xsd" />
<xs:include schemaLocation="Currency.xsd" />
<xs:include schemaLocation="Employee.xsd" />
<xs:include schemaLocation="ExpenseClaim.xsd" />
<xs:include schemaLocation="Invoice.xsd" />
<xs:include schemaLocation="Items.xsd" />
<xs:include schemaLocation="Journal.xsd" />
<xs:include schemaLocation="ManualJournal.xsd" />
<xs:include schemaLocation="Organisation.xsd" />
<xs:include schemaLocation="Payment.xsd" />
<xs:include schemaLocation="Receipt.xsd" />
<xs:include schemaLocation="Report.xsd" />
<xs:include schemaLocation="TaxRate.xsd" />
<xs:include schemaLocation="Tracking.xsd" />
<xs:include schemaLocation="User.xsd" />

<!-- API Exception -->
<xs:complexType name="ApiExceptionExtended">
<xs:extension base="ApiException">
<xs:element name="Elements" minOccurs="1" maxOccurs="1">
<xs:element name="DataContractBase" type="xs:anyType" />

Please let me know what I could do to fix it.
Carles Gasques
Ranch Hand

Joined: Apr 19, 2013
Posts: 199

Are you allowed to change the schema definition?
avinash sudh

Joined: Apr 22, 2013
Posts: 8
Hi Carles,

I think I can ... I would like to change it to overcome this error.
g tsuji
Ranch Hand

Joined: Jan 18, 2011
Posts: 499
@avinash sudh
Within the big picture, you have no chance to succeed with the schema you're intending to do, by extending a base complexType with a content model of xs:all. xs:all is akin to a "final" class, you can't extend it. There are two alternatives in the least.

[1] Either you modify the ApiException type to include an additional element "Elements" (if that is what you mean of extending it).
[2] You change the ApiException type to an xs:sequence content model. Consequence, you give up the arbitrary order (which is not that useful and for what good you make it in an arbitrary order?!) of the child elements.

[2.1] If you choose the course of [2], you extension syntax is incorrect that need to correct. xs:element cannot be a direct child to xs:complexType. That is invalid.
avinash sudh

Joined: Apr 22, 2013
Posts: 8

Thank you so much for the explanation given about the issue. It resolved my issue.
I agree. Here's the link:
subject: not able to parse extended xml schema
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