[teiid-issues] [JBoss JIRA] (TEIID-5559) odata4 NPE when accessing VDB including FK relationship across models

[Steven Hawkins (Jira)]

    [ https://issues.jboss.org/browse/TEIID-5559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13669724#comment-13669724 ] 

Steven Hawkins commented on TEIID-5559:
---------------------------------------

It will show multiple schema  - all that are transitively referenced.  The one requested will be first, but that probably shouldn't matter.

> odata4 NPE when accessing VDB including FK relationship across models
> ---------------------------------------------------------------------
>
>                 Key: TEIID-5559
>                 URL: https://issues.jboss.org/browse/TEIID-5559
>             Project: Teiid
>          Issue Type: Bug
>          Components: OData
>    Affects Versions: 8.12.16.6_4
>            Reporter: Marc Shirley
>            Assignee: Steven Hawkins
>            Priority: Major
>
> Receive error [2] when attempting to access table that utilizes a foreign key to another model with URL like [1].  access to the other model (that the foreign key references) works correctly.
> [1] http://127.0.0.1:8080/odata4/fktest/fkmodel/
> [2] 
> JBWEB000309: type JBWEB000066: Exception report
> JBWEB000068: message 
> JBWEB000069: description JBWEB000145: The server encountered an internal error that prevented it from fulfilling this request.
> JBWEB000070: exception 
> org.teiid.core.TeiidRuntimeException
> 	org.teiid.olingo.service.ODataSchemaBuilder.buildMetadata(ODataSchemaBuilder.java:58)
> 	org.teiid.olingo.service.OlingoBridge.getHandler(OlingoBridge.java:54)
> 	org.teiid.olingo.web.ODataFilter.internalDoFilter(ODataFilter.java:228)
> 	org.teiid.olingo.web.ODataFilter.doFilter(ODataFilter.java:100)
> 	org.teiid.olingo.web.CorsFilter.doFilter(CorsFilter.java:80)
> JBWEB000071: root cause 
> java.lang.NullPointerException
> 	org.teiid.olingo.service.ODataSchemaBuilder.addReverseNavigation(ODataSchemaBuilder.java:308)
> 	org.teiid.olingo.service.ODataSchemaBuilder.buildNavigationProperties(ODataSchemaBuilder.java:251)
> 	org.teiid.olingo.service.ODataSchemaBuilder.buildEntityTypes(ODataSchemaBuilder.java:144)
> 	org.teiid.olingo.service.ODataSchemaBuilder.buildMetadata(ODataSchemaBuilder.java:54)
> 	org.teiid.olingo.service.OlingoBridge.getHandler(OlingoBridge.java:54)
> 	org.teiid.olingo.web.ODataFilter.internalDoFilter(ODataFilter.java:228)
> 	org.teiid.olingo.web.ODataFilter.doFilter(ODataFilter.java:100)
> 	org.teiid.olingo.web.CorsFilter.doFilter(CorsFilter.java:80)



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