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https://issues.apache.org/jira/browse/AXIS2-5939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390262#comment-17390262
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Robert Lazarski commented on AXIS2-5939:
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I looked into this but I'm not sure I understand step #2. I can run "ant 
run.client.all" and I don't see an NPE as described.

For the URL described I think you may have meant MyService.aar, not echo.aar.

 

> Axis2 not parsing correctly query parameters after upgrading xml schema
> -----------------------------------------------------------------------
>
>                 Key: AXIS2-5939
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5939
>             Project: Axis2
>          Issue Type: Bug
>    Affects Versions: 1.7.8
>            Reporter: Siyana Slavova
>            Assignee: Robert Lazarski
>            Priority: Critical
>         Attachments: Echo.aar
>
>
> *Steps to reproduce:*
>  # Deploy sample Echo.aar in axis 2.
>  # Call [http://localhost:8080/axis2/services/MyService/echoOMElement?in=in]
>  # Check the response.
> *Expected behaviour:*
>  The response should be 200 ok and the om element should be properly echoed.
> *Actual behaviour:*
>  The response is 500. Internally null pointer is thrown because the OMElement 
> parameter in echoOMElement is null. The cause is that it is not correctly 
> parsed in BuilderUtil.buildsoapMessage method. The parameter requests are not 
> added in the soap envelope.
> On previous version of axis (before changing the schema) the qName of the 
> particle element was null (on row 145), but after upgrading it is not and the 
> program does not enter the if method, so the parameters are not added. See 
> the code snippet
> {code:java}
> XmlSchemaParticle particle = complexType.getParticle();
> if (particle instanceof XmlSchemaSequence || particle instanceof 
> XmlSchemaAll) {
>     if (particle instanceof XmlSchemaSequence) {
>         XmlSchemaSequence sequence = (XmlSchemaSequence) particle;
>         // now we need to know some information from the binding operation.
>         for (XmlSchemaSequenceMember sequenceMember : sequence.getItems()) {
>             XmlSchemaElement innerElement = (XmlSchemaElement) sequenceMember;
>             QName qName = innerElement.getWireName();
>             // ignoring the elements without proper type and minoccurs zero
>             if ((innerElement.getSchemaTypeName() == null) &&
>                 (innerElement.getMinOccurs() == 0)) {
>                 continue;
>             }
>             if (qName == null && innerElement.getSchemaTypeName()
>                     
> .equals(org.apache.ws.commons.schema.constants.Constants.XSD_ANYTYPE)) {
>                 createSOAPMessageWithoutSchema(soapFactory, bodyFirstChild,
>                                                requestParameterMap);
>                 break;
>             }
>             checkMinOccurs(innerElement, qName, soapFactory, 
> requestParameterMap,
>                            bodyFirstChild);
>         }
> {code}



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