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https://issues.apache.org/jira/browse/XERCESJ-1713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16915677#comment-16915677
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Mukul Gandhi commented on XERCESJ-1713:
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I agree with you that, there's scope of improvement with the error message as
per example you've cited. At this time, I can provide a workaround to your
issue, using XSD 1.1. Here's what the relevant portion of your XSD (1.1)
document should look like,
<xs:complexType>
<xs:all>
<xs:element type="EMPID" name="emp_id" minOccurs="0"/>
<xs:element type="FIRSTNAME" name="first_name" minOccurs="0"/>
<xs:element type="MIDDLENAME" name="middle_name" minOccurs="0"/>
<xs:element type="LASTNAME" name="last_name" minOccurs="0"/>
<xs:element type="ADDRESS1" name="emp_address1" minOccurs="0"/>
<xs:element type="ADDRESS2" name="emp_address2" minOccurs="0"/>
<xs:element type="FAXES" name="emp_fax" minOccurs="0"/>
<xs:element type="PHONE" name="emp_phone" minOccurs="0"/>
<xs:element type="CITY" name="emp_city" minOccurs="0"/>
<xs:element type="STATE" name="emp_state" minOccurs="0"/>
</xs:all>
<xs:assert test="emp_id"/>
<xs:assert test="middle_name"/>
<xs:assert test="emp_phone"/>
<xs:assert test="emp_city"/>
<xs:assert test="emp_state"/>
</xs:complexType>
Following is the idea on which above XSD fragment is based on,
Within <xs:all>, we need to specify all elements as 'non mandatory'. Then using
XSD 1.1 <assert>'s, we need to specify which of the elements are mandatory. The
<assert> failures would make it clear, which elements are mandatory. To
customize <assert> failure messages, Xerces provides an optional extension, as
described here,
[http://xerces.apache.org/xerces2-j/faq-xs.html#faq-4.|http://xerces.apache.org/xerces2-j/faq-xs.html#faq-4]
> Displaying the One of Error message with Mondatory and NonMandatory Fileds
> With Java xercesImpl-2.8.1 Jar File
> --------------------------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1713
> URL: https://issues.apache.org/jira/browse/XERCESJ-1713
> Project: Xerces2-J
> Issue Type: Bug
> Reporter: Gayithri Rachepalli
> Priority: Major
> Attachments: TestEmployeeXSD.xml
>
>
> We are using XxercesImpl-2.8.1 jar file to validate the XML payload against
> defined XSD.
> Whenever the schema validation is failed we are not getting proper exception.
> Below is the examples for the same.
> Consider the scenarios we are passing 10 fields in XML payload where we have
> 5 fields are mandatory and other 5 fields are non-mandatory. We are only 3
> mandatory fields in XML payload.
> 1. We are using <all> its validated and throws the message for all the files
> including mandatory and non-mandatory. As shown below
> *<rsp:DESCRIPTION>Payload validation error. Cannot process request -
> SpecValidationError: Failed to pass spec validation: InvalidDataError: for
> record\ncvc-complex-type.2.4.b: The content of element 'EMPLOYEE' is not
> complete. One of '
> {EMPID, FIRSTNAME, MIDDLENAME, LASTNAME, ADDRESS1, ADDRESS2, FAXES, PHONE,
> CITY, STATE}
> ' is expected. </rsp:DESCRIPTION>*
> But here only first 5 fields are mandatory and we are passing first 3 values
> but it is showing all fields
> 3. Is there any way to display only missing fields in the exception message?
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