Hi, all: i use zeppelin execute sql, FLink version is Flink 1.11 snapshot ,build from branch release-1.11 ,commit is 334f35cbd6da754d8b5b294032cd84c858b1f973 when the table type is datagen, Flink will thrown exception ,but the exception message is null ;
My DDL is : CREATE TABLE datagen_dijie2 ( f_sequence INT, f_random INT, f_random_str STRING, ts AS localtimestamp, WATERMARK FOR ts AS ts ) WITH ( 'connector' = 'datagen', 'rows-per-second'='5', 'fields.f_sequence.kind'='sequence', 'fields.f_sequence.start'='1', 'fields.f_sequence.end'='1000', 'fields.f_random.min'='1', 'fields.f_random.max'='1000', 'fields.f_random_str.length'='10' ); My query sql is : select * from datagen_dijie2; the exception is : Fail to run sql command: select * from datagen_dijie2 org.apache.flink.table.api.ValidationException: SQL validation failed. null at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:146) at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.validate(FlinkPlannerImpl.scala:108) at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:187) at org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78) at org.apache.flink.table.api.internal.TableEnvironmentImpl.sqlQuery(TableEnvironmentImpl.java:658) at org.apache.zeppelin.flink.sql.AbstractStreamSqlJob.run(AbstractStreamSqlJob.java:102) at org.apache.zeppelin.flink.FlinkStreamSqlInterpreter.callInnerSelect(FlinkStreamSqlInterpreter.java:89) at org.apache.zeppelin.flink.FlinkSqlInterrpeter.callSelect(FlinkSqlInterrpeter.java:526) at org.apache.zeppelin.flink.FlinkSqlInterrpeter.callCommand(FlinkSqlInterrpeter.java:297) at org.apache.zeppelin.flink.FlinkSqlInterrpeter.runSqlList(FlinkSqlInterrpeter.java:191) at org.apache.zeppelin.flink.FlinkSqlInterrpeter.interpret(FlinkSqlInterrpeter.java:156) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:110) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:776) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:668) at org.apache.zeppelin.scheduler.Job.run(Job.java:172) at org.apache.zeppelin.scheduler.AbstractScheduler.runJob(AbstractScheduler.java:130) at org.apache.zeppelin.scheduler.ParallelScheduler.lambda$runJobInScheduler$0(ParallelScheduler.java:39) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.UnsupportedOperationException at org.apache.flink.table.planner.ParserImpl.parseSqlExpression(ParserImpl.java:86) at org.apache.flink.table.api.internal.CatalogTableSchemaResolver.resolveExpressionDataType(CatalogTableSchemaResolver.java:119) at org.apache.flink.table.api.internal.CatalogTableSchemaResolver.resolve(CatalogTableSchemaResolver.java:83) at org.apache.flink.table.catalog.CatalogManager.resolveTableSchema(CatalogManager.java:380) at org.apache.flink.table.catalog.CatalogManager.getPermanentTable(CatalogManager.java:408) at org.apache.flink.table.catalog.CatalogManager.getTable(CatalogManager.java:375) at org.apache.flink.table.planner.catalog.DatabaseCalciteSchema.getTable(DatabaseCalciteSchema.java:75) at org.apache.calcite.jdbc.SimpleCalciteSchema.getImplicitTable(SimpleCalciteSchema.java:83) at org.apache.calcite.jdbc.CalciteSchema.getTable(CalciteSchema.java:289) at org.apache.calcite.sql.validate.EmptyScope.resolve_(EmptyScope.java:143) at org.apache.calcite.sql.validate.EmptyScope.resolveTable(EmptyScope.java:99) at org.apache.calcite.sql.validate.DelegatingScope.resolveTable(DelegatingScope.java:203) at org.apache.calcite.sql.validate.IdentifierNamespace.resolveImpl(IdentifierNamespace.java:112) at org.apache.calcite.sql.validate.IdentifierNamespace.validateImpl(IdentifierNamespace.java:184) at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1110) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3256) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3238) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3510) at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60) at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1110) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1084) at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232) at org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1059) at org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:766) at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org$apache$flink$table$planner$calcite$FlinkPlannerImpl$$validate(FlinkPlannerImpl.scala:141) ... 19 more How to deal with ?