Teiid throws TEIID31071 if sub query uses "in memory" materialized view and "external" materialized view

Issue

• Teiid Engine throws "Invalid table"[1] if a query includes a sub query which uses 2 different types of tables, one is "in memory" materialized view, and the other one is "external" materialized view.
• Although the Exception[1] says "Table xxxxx has no columns defined", columns are defined.
• If user does not use a sub query and JOIN "in memory" materialized view and "external" materialized view, its works fine
• The issue always occurs even rebooting JBoss DV

[1]

15:46:00,634 ERROR [org.teiid.PROCESSOR] (Worker16_QueryProcessorQueue324) TEIID30019 Unexpected exception for request MwL2Tasy3Q3e.0: org.teiid.api.exception.query.QueryMetadataException: TEIID31071 Invalid table; Table xxxxx has no columns defined
        at org.teiid.query.metadata.TransformationMetadata.getElementIDsInGroupID(TransformationMetadata.java:279) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.metadata.TempMetadataAdapter.getElementIDsInGroupID(TempMetadataAdapter.java:218) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.resolver.util.ResolverUtil.getGroupInfo(ResolverUtil.java:508) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.resolver.util.ResolverUtil.resolveElementsInGroup(ResolverUtil.java:492) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.getOutputCols(NewCalculateCostUtil.java:585) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.createColStats(NewCalculateCostUtil.java:533) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.estimateSourceNodeCost(NewCalculateCostUtil.java:521) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.computeNodeCost(NewCalculateCostUtil.java:154) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:136) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:133) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.updateCardinality(NewCalculateCostUtil.java:133) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.NewCalculateCostUtil.computeCostForTree(NewCalculateCostUtil.java:122) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.JoinRegion.initializeCostingInformation(JoinRegion.java:390) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.rules.RulePlanJoins.execute(RulePlanJoins.java:163) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:584) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:245) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:159) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:409) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.Request.processRequest(Request.java:436) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:600) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:309) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:51) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:248) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:269) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:119) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:214) [teiid-engine-8.4.1-redhat-7.jar:8.4.1-redhat-7]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_71]