Infinispan-dsl-cache translator: NPE when inserting data if a table doesn't have primary key defined

ERROR [org.teiid.CONNECTOR] (Worker12_QueryProcessorQueue194) Connector worker process failed for atomic-request=ziNYENHc9zCz.0.0.33: java.lang.NullPointerException
	at org.teiid.translator.infinispan.dsl.InfinispanUpdateExecution.handleInsert(InfinispanUpdateExecution.java:149)
	at org.teiid.translator.infinispan.dsl.InfinispanUpdateExecution.execute(InfinispanUpdateExecution.java:107)
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem$1.execute(ConnectorWorkItem.java:358) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.datamgr.ConnectorWorkItem.execute(ConnectorWorkItem.java:325) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.DataTierTupleSource.getResults(DataTierTupleSource.java:298) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:110) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.DataTierTupleSource$1.call(DataTierTupleSource.java:107) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) [rt.jar:1.7.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:166) [rt.jar:1.7.0_25]
	at org.teiid.dqp.internal.process.FutureWork.run(FutureWork.java:58) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:274) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:210) [teiid-engine-8.7.1.6_2-redhat-1.jar:8.7.1.6_2-redhat-1]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_25]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_25]
	at java.lang.Thread.run(Thread.java:724) [rt.jar:1.7.0_25]