ClassCastException during query Optimization -------------------------------------------- Key: TEIID-5300 URL: https://issues.jboss.org/browse/TEIID-5300 Project: Teiid Issue Type: Bug Components: Query Engine Affects Versions: 10.1 Environment: Teiid 10.1 Reporter: Mike Higgins Assignee: Steven Hawkins Fix For: 10.3 Using Teiid 10.1 against an Oracle database, if I submit a query with exactly two bind variables such as the following: SELECT "Small Molecules"."MOLREGNO", "Small Molecules"."CHEMBL_ID", "Small Molecules_2"."FULL_MWT", CHEMBL_20.ACTIVITIES."ACTIVITY_ID", CHEMBL_20.ACTIVITIES."ACTIVITY_ID", ((CHEMBL_20.ACTIVITIES."ASSAY_ID" || '#') || CHEMBL_20.ACTIVITIES."STANDARD_TYPE") "ID_RESULT", CHEMBL_20.ACTIVITIES."STANDARD_UNITS", CHEMBL_20.ACTIVITIES."ACTIVITY_COMMENT", CHEMBL_20.ACTIVITIES."STANDARD_VALUE" FROM (SELECT CHEMBL_20.COMPOUND_STRUCTURES."MOLREGNO", SM_DICTIONARY_PRIME."CHEMBL_ID" FROM chembl_20.compound_structures INNER JOIN chembl_20.molecule_dictionary SM_DICTIONARY_PRIME ON ( CHEMBL_20.COMPOUND_STRUCTURES."MOLREGNO" = SM_DICTIONARY_PRIME."MOLREGNO") UNION ALL SELECT CHEMBL_20.SM_REPOSITORY."MOLREGNO", CHEMBL_20.SM_REPOSITORY."CHEMBL_ID" FROM chembl_20.sm_repository) "Small Molecules" LEFT OUTER JOIN chembl_20.compound_properties "Small Molecules_2" ON ("Small Molecules"."MOLREGNO" = "Small Molecules_2"."MOLREGNO") INNER JOIN chembl_20.activities ON (( "Small Molecules"."MOLREGNO" = CHEMBL_20.ACTIVITIES."MOLREGNO") AND (( CHEMBL_20.ACTIVITIES."STANDARD_TYPE" = 'IC50') AND ( CHEMBL_20.ACTIVITIES."ASSAY_ID" IN ('654926', '654933')))) WHERE ("Small Molecules"."MOLREGNO" IN (?, ?) I get the following traceback, indicating that a class that does not implement Comparable is being stored in a TreeMap: [exec] 23 Mar 2018 15:04:28,282 [Worker67_QueryProcessorQueue3267] ERROR PROCESSOR- TEIID30019 Unexpected exception for request RkVKlFhEnEgf.0: java.lang.ClassCastException: org.teiid.query.sql.symbol.Reference cannot be cast to java.lang.Comparable [exec] at java.util.TreeMap.getEntry(TreeMap.java:349) [exec] at java.util.TreeMap.containsKey(TreeMap.java:232) [exec] at java.util.TreeSet.contains(TreeSet.java:234) [exec] at java.util.AbstractCollection.containsAll(AbstractCollection.java:318) [exec] at org.teiid.query.sql.lang.SetCriteria.equals(SetCriteria.java:136) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.copyCriteria(RuleCopyCriteria.java:169) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.createCriteria(RuleCopyCriteria.java:341) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.tryToCopy(RuleCopyCriteria.java:268) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.visitChildern(RuleCopyCriteria.java:384) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.tryToCopy(RuleCopyCriteria.java:294) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.visitChildern(RuleCopyCriteria.java:384) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.tryToCopy(RuleCopyCriteria.java:294) [exec] at org.teiid.query.optimizer.relational.rules.RuleCopyCriteria.execute(RuleCopyCriteria.java:99) [exec] at org.teiid.query.optimizer.relational.RelationalPlanner.executeRules(RelationalPlanner.java:995) [exec] at org.teiid.query.optimizer.relational.RelationalPlanner.optimize(RelationalPlanner.java:228) [exec] at org.teiid.query.optimizer.QueryOptimizer.optimizePlan(QueryOptimizer.java:179) [exec] at org.teiid.dqp.internal.process.Request.generatePlan(Request.java:458) [exec] at org.teiid.dqp.internal.process.PreparedStatementRequest.generatePlan(PreparedStatementRequest.java:124) [exec] at org.teiid.dqp.internal.process.Request.processRequest(Request.java:486) [exec] at org.teiid.dqp.internal.process.PreparedStatementRequest.processRequest(PreparedStatementRequest.java:345) [exec] at org.teiid.dqp.internal.process.RequestWorkItem.processNew(RequestWorkItem.java:660) [exec] at org.teiid.dqp.internal.process.RequestWorkItem.process(RequestWorkItem.java:339) [exec] at org.teiid.dqp.internal.process.AbstractWorkItem.run(AbstractWorkItem.java:47) [exec] at org.teiid.dqp.internal.process.RequestWorkItem.run(RequestWorkItem.java:276) [exec] at org.teiid.dqp.internal.process.DQPWorkContext.runInContext(DQPWorkContext.java:280) [exec] at org.teiid.dqp.internal.process.ThreadReuseExecutor$RunnableWrapper.run(ThreadReuseExecutor.java:115) [exec] at org.teiid.dqp.internal.process.ThreadReuseExecutor$3.run(ThreadReuseExecutor.java:206) [exec] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [exec] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [exec] at java.lang.Thread.run(Thread.java:745) [exec]