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https://issues.apache.org/jira/browse/WSCOMMONS-533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benson Margulies updated WSCOMMONS-533:
---------------------------------------

    Fix Version/s: XmlSchema 1.4.6

> NullPointerException processing schema
> --------------------------------------
>
>                 Key: WSCOMMONS-533
>                 URL: https://issues.apache.org/jira/browse/WSCOMMONS-533
>             Project: WS-Commons
>          Issue Type: Bug
>          Components: XmlSchema
>    Affects Versions: XmlSchema 1.4.5
>            Reporter: Brian McDonald
>             Fix For: XmlSchema 1.4.6
>
>
> When processing a imported schema without a targetnamespace (where the import 
> had a namespace defined) you hit this exception:
> [] java.lang.RuntimeException: java.lang.NullPointerException
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.resolveXmlSchema(SchemaBuilder.java:1907)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.handleImport(SchemaBuilder.java:1615)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.handleXmlSchemaElement(SchemaBuilder.java:224)
> []    at 
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:505)
> []    at 
> com.itko.lisa.ws.nx.WSDLSchemaUtils.processTypes(WSDLSchemaUtils.java:2142)
> []    at 
> com.itko.lisa.ws.nx.WSDLSchemaUtils.processWsdlDefsForSchemas(WSDLSchemaUtils.java:2092)
> []    at 
> com.itko.lisa.ws.nx.WSDLSchemaUtils.processWsdlSchema(WSDLSchemaUtils.java:2081)
> []    at 
> com.itko.lisa.ws.nx.WSDLSchemaUtils.processWsdlSchema(WSDLSchemaUtils.java:2060)
> []    at 
> com.itko.lisa.ws.nx.ui.NxWSStepEditor.processNewWSDL(NxWSStepEditor.java:433)
> []    at 
> com.itko.lisa.ws.nx.ui.ConnectionInfoEditor$30.run(ConnectionInfoEditor.java:940)
> [] Caused by: java.lang.NullPointerException
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder$1.validate(SchemaBuilder.java:1602)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.setNamespaceAttributes(SchemaBuilder.java:369)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.handleXmlSchemaElement(SchemaBuilder.java:134)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.build(SchemaBuilder.java:121)
> []    at 
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:491)
> []    at 
> org.apache.ws.commons.schema.XmlSchemaCollection.read(XmlSchemaCollection.java:364)
> []    at 
> org.apache.ws.commons.schema.SchemaBuilder.resolveXmlSchema(SchemaBuilder.java:1901)
> []    ... 9 more
> It is caused by this line in SchemaBuilder:
>                               if (isEmpty(uri)) {
>                                       valid = 
> isEmpty(pSchema.syntacticalTargetNamespace);
>                               } else {
>                                       valid = 
> pSchema.syntacticalTargetNamespace.equals(uri); // <=====
>                               }
> Simply inverting the equals will solve the problem
>                                       valid = 
> uri.equals(pSchema.syntacticalTargetNamespace); // <=====

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