Odata4 model import fails to load metadata in Teiid

Issue

• TEIID-5071
  • Teiid designer Odata4 model import fails to load metadata and throws java.lang.NullPointerException
• server.log entry similar to

WARN [org.teiid.RUNTIME] (teiid-async-threads - 3) TEIID50036 VDB importVDB1.1 model "<model>" metadata failed to load. Reason:java.lang.NullPointerException: java.lang.NullPointerException
at org.teiid.translator.odata4.ODataMetadataProcessor.addPrimaryKey(ODataMetadataProcessor.java:331)
at org.teiid.translator.odata4.ODataMetadataProcessor.addEntityTypeProperties(ODataMetadataProcessor.java:243)
at org.teiid.translator.odata4.ODataMetadataProcessor.addTable(ODataMetadataProcessor.java:219)
at org.teiid.translator.odata4.ODataMetadataProcessor.getMetadata(ODataMetadataProcessor.java:122)
at org.teiid.translator.odata4.ODataMetadataProcessor.process(ODataMetadataProcessor.java:105)
at org.teiid.translator.odata4.ODataExecutionFactory.getMetadata(ODataExecutionFactory.java:119)
at org.teiid.translator.odata4.ODataExecutionFactory.getMetadata(ODataExecutionFactory.java:69)
at org.teiid.query.metadata.NativeMetadataRepository.getMetadata(NativeMetadataRepository.java:96) [teiid-engine-8.12.10.6_3-redhat-2.jar:8.12.10.6_3-redhat-2]
at org.teiid.query.metadata.NativeMetadataRepository.loadMetadata(NativeMetadataRepository.java:62) [teiid-engine-8.12.10.6_3-redhat-2.jar:8.12.10.6_3-redhat-2]
at org.teiid.query.metadata.ChainingMetadataRepository.loadMetadata(ChainingMetadataRepository.java:55) [teiid-engine-8.12.10.6_3-redhat-2.jar:8.12.10.6_3-redhat-2]
at org.teiid.jboss.VDBService$6.run(VDBService.java:395) [teiid-jboss-integration-8.12.10.6_3-redhat-2.jar:8.12.10.6_3-redhat-2]
at org.teiid.jboss.VDBService$7.run(VDBService.java:446) [teiid-jboss-integration-8.12.10.6_3-redhat-2.jar:8.12.10.6_3-redhat-2]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_60]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_60]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_60]
at org.jboss.threads.JBossThread.run(JBossThread.java:122)