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https://issues.apache.org/jira/browse/XMLBEANS-490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460733#comment-13460733
 ] 

Yuriy Glushanin edited comment on XMLBEANS-490 at 9/22/12 6:49 AM:
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Hi, Wing Yew Poon!

Unfortunately, I am not able to provide java code for my initial question as it 
is a web service and we use maven to compile webservice stubs from WSDL/XSD, 
ets.

But I have the same problem with other XSD and I can provide you with the 
information you need.

My other XSD:

        <xs:complexType name="CustomerChangeNotificationRequest">
                <xs:sequence>
                        <xs:element name="trackingInformation" minOccurs="0">
                                <xs:complexType>
                                        <xs:sequence>
                                                <xs:element 
name="notificationId" type="xs:string" />
                                                
My first Java example:

        CustomerChangeNotificationRequestDocument document =
                CustomerChangeNotificationRequestDocument.Factory.newInstance();

        CustomerChangeNotificationRequest request = 
                document.addNewCustomerChangeNotificationRequest();

        TrackingInformation trackingInformation = 
request.addNewTrackingInformation();
        System.out.println(document);

First logs:

        <customerChangeNotificationRequest>
          <trackingInformation/>
        </customerChangeNotificationRequest>

>From my point of view, it is not valid XML message becouse of default value 
>for 'minOccurs' attribute is "1".
I expect <notificationId> tag in the message.

My second Java example:

    CustomerChangeNotificationRequestDocument document =
        CustomerChangeNotificationRequestDocument.Factory.newInstance();
    
    CustomerChangeNotificationRequest request = 
        document.addNewCustomerChangeNotificationRequest();
    
    TrackingInformation trackingInformation = 
request.addNewTrackingInformation();
    trackingInformation.setNotificationId(null);
    System.out.println(document);

Second logs:

        <customerChangeNotificationRequest>
          <trackingInformation>
                <notificationId xsi:nil="true"/>
          </trackingInformation>
        </customerChangeNotificationRequest>

It is also not valid XML message becouse of default value for 'nillable' 
attribute is "false".

Could you tell me please:
- Why first XML message does not contains <notificationId> tag? 
- Why second XML message contains <notificationId> tag marked as nillable?

Thank you in advance,
Yuriy.
                
      was (Author: yuriypalych):
    Hi, Wing Yew Poon!

Unfortunately, I am not able to provide java code for my initial question 
because of it is a web service and we use maven to compile webservice stubs 
from WSDL/XSD, ets.

But I have the same problem with other XSD and I can provide you with the 
information you need.

My other XSD:

        <xs:complexType name="CustomerChangeNotificationRequest">
                <xs:sequence>
                        <xs:element name="trackingInformation" minOccurs="0">
                                <xs:complexType>
                                        <xs:sequence>
                                                <xs:element 
name="notificationId" type="xs:string" />
                                                
My first Java example:

        CustomerChangeNotificationRequestDocument document =
                CustomerChangeNotificationRequestDocument.Factory.newInstance();

        CustomerChangeNotificationRequest request = 
                document.addNewCustomerChangeNotificationRequest();

        TrackingInformation trackingInformation = 
request.addNewTrackingInformation();
        System.out.println(document);

First logs:

        <customerChangeNotificationRequest>
          <trackingInformation/>
        </customerChangeNotificationRequest>

>From my point of view, it is not valid XML message becouse of default value 
>for 'minOccurs' attribute is "1".
I expect <notificationId> tag in the message.

My second Java example:

    CustomerChangeNotificationRequestDocument document =
        CustomerChangeNotificationRequestDocument.Factory.newInstance();
    
    CustomerChangeNotificationRequest request = 
        document.addNewCustomerChangeNotificationRequest();
    
    TrackingInformation trackingInformation = 
request.addNewTrackingInformation();
    trackingInformation.setNotificationId(null);
    System.out.println(document);

Second logs:

        <customerChangeNotificationRequest>
          <trackingInformation>
                <notificationId xsi:nil="true"/>
          </trackingInformation>
        </customerChangeNotificationRequest>

It is also not valid XML message becouse of default value for 'nillable' 
attribute is "false".

Could you tell me please:
- Why first XML message does not contains <notificationId> tag? 
- Why second XML message contains <notificationId> tag marked as nillable?

Thank you in advance,
Yuriy.
                  
> XML tag is not created for [minOccurs="1" and nillable="false"]
> ---------------------------------------------------------------
>
>                 Key: XMLBEANS-490
>                 URL: https://issues.apache.org/jira/browse/XMLBEANS-490
>             Project: XMLBeans
>          Issue Type: Bug
>    Affects Versions:  Version 2.3
>            Reporter: Yuriy Glushanin
>
> Hello all,
> My XSD scheme:
> <xs:element name="Info">
>     <xs:complexType>
>         <xs:sequence minOccurs="1" maxOccurs="1">
>             <xs:element minOccurs="1" maxOccurs="1" name="Name" 
> type="xs:string"/>
>             <xs:element minOccurs="1" maxOccurs="1" name="Value" 
> type="xs:string"/>
>         </xs:sequence>
>     </xs:complexType>
> </xs:element>
> XML message when Name is "test" and Value is NULL:
> <Info>
>     <Name>test</Name>
> <Info>
> I expect empty <Value /> tag in the result:
> <Info>
>     <Name>test</Name>
>     <Value />
> <Info>
> Why empty <Value /> tag was not created?
> Best regards,
> Yuriy.

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