NPE on Complex Query with Procedure Call in SELECT -------------------------------------------------- Key: TEIID-5474 URL: https://issues.jboss.org/browse/TEIID-5474 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 11.1 Environment: teiid-11.1.0 (from 01.09.2018) on WildFly Full 11.0.0.Final (WildFly Core 3.0.8.Final) Reporter: dalex dalex Assignee: Steven Hawkins Priority: Critical Fix For: 11.2 Running the following query: {code:sql} SELECT (exec "SYSADMIN.logMsg"( "level" => 'INFO', "context" => 'DEBUG.FOO.BAR', "msg" => tccd.bank_account_holder_name)) as something FROM ( SELECT c.city AS "bank_account_holder_name" FROM "adventureworks.address" c JOIN ( select ca.addressid from "adventureworks.customeraddress" ca cross JOIN ( WITH latest_exchange_rates AS ( SELECT exchange_rate_date AS month_begin FROM ( SELECT CURDATE() as exchange_rate_date )t ) SELECT DISTINCT dt.month_start AS month_begin FROM ( CALL views.createDateDimensionsTable( "startdate" => TIMESTAMPADD(SQL_TSI_MONTH, 1, (SELECT month_begin FROM latest_exchange_rates)), "enddate" => TIMESTAMPADD(SQL_TSI_YEAR, 15, (SELECT month_begin FROM latest_exchange_rates)) ) ) AS dt ) fx ) ci ON ci.addressid = c.addressid ) tccd ;; {code} will throw out the following stacktrace with NPE: {code:noformat} 2018-09-13 13:35:21,777 ERROR [org.teiid.PROCESSOR] (Worker5_QueryProcessorQueue36) ZvEDctN1yjKY TEIID30019 Unexpected exception for request ZvEDctN1yjKY.15: java.lang.NullPointerExc eption at org.teiid.query.optimizer.relational.rules.RuleMergeVirtual.doMerge(RuleMergeVirtual.java:218) at org.teiid.query.optimizer.relational.rules.RuleMergeVirtual.execute(RuleMergeVirtual.java:80) at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:1025) at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:228) at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:179) at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:458) at org.teiid.dqp.internal.process.Request.processRequest(Request.java:486) at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:672) at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:351) at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:47) at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:285) at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:277) at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:115) at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:206) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) {code}