你们是否在多线程环境下使用 TableEnvironment ? TableEnvironment 不是线程安全的，多线程情况使用可能出现一些莫名其妙的问题。
godfrey he <godfre...@gmail.com> 于2020年7月28日周二 上午9:55写道： > hi 能给出详细的schema信息吗？ > > wind.fly....@outlook.com <wind.fly....@outlook.com> 于2020年7月27日周一 > 下午7:02写道： > >> 补充一下，执行的sql如下： >> >> select order_no, order_time from >> x.ods.ods_binlog_test_trip_create_t_order_1 >> >> ________________________________ >> 发件人: wind.fly....@outlook.com <wind.fly....@outlook.com> >> 发送时间: 2020年7月27日 18:49 >> 收件人: user-zh@flink.apache.org <user-zh@flink.apache.org> >> 主题: flink1.11.0 执行sqlQuery时报NullPointException >> >> Hi,all： >> 本人正在为公司之前基于flink1.10的gateway升级flink版本到1.11，用的hive >> catalog，建表后，执行sqlQuery方法时报NullPointException，希望给出排错建议，具体报错信息如下： >> Caused by: java.lang.NullPointerException >> at java.util.Objects.requireNonNull(Objects.java:203) >> at >> org.apache.calcite.rel.metadata.RelMetadataQuery.<init>(RelMetadataQuery.java:141) >> at >> org.apache.calcite.rel.metadata.RelMetadataQuery.<init>(RelMetadataQuery.java:106) >> at >> org.apache.flink.table.planner.plan.metadata.FlinkRelMetadataQuery.<init>(FlinkRelMetadataQuery.java:73) >> at >> org.apache.flink.table.planner.plan.metadata.FlinkRelMetadataQuery.instance(FlinkRelMetadataQuery.java:52) >> at >> org.apache.flink.table.planner.calcite.FlinkRelOptClusterFactory$$anon$1.get(FlinkRelOptClusterFactory.scala:39) >> at >> org.apache.flink.table.planner.calcite.FlinkRelOptClusterFactory$$anon$1.get(FlinkRelOptClusterFactory.scala:38) >> at >> org.apache.calcite.plan.RelOptCluster.getMetadataQuery(RelOptCluster.java:178) >> at >> org.apache.calcite.rel.logical.LogicalProject.create(LogicalProject.java:118) >> at >> org.apache.calcite.rel.logical.LogicalProject.create(LogicalProject.java:111) >> at >> org.apache.calcite.rel.core.RelFactories$ProjectFactoryImpl.createProject(RelFactories.java:180) >> at org.apache.calcite.tools.RelBuilder.project_(RelBuilder.java:1462) >> at org.apache.calcite.tools.RelBuilder.project(RelBuilder.java:1256) >> at >> org.apache.calcite.tools.RelBuilder.projectNamed(RelBuilder.java:1521) >> at >> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectList(SqlToRelConverter.java:4125) >> at >> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:685) >> at >> org.apache.calcite.sql2rel.SqlToRelConverter.convertSelect(SqlToRelConverter.java:642) >> at >> org.apache.calcite.sql2rel.SqlToRelConverter.convertQueryRecursive(SqlToRelConverter.java:3345) >> at >> org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:568) >> at org.apache.flink.table.planner.calcite.FlinkPlannerImpl.org >> $apache$flink$table$planner$calcite$FlinkPlannerImpl$$rel(FlinkPlannerImpl.scala:164) >> at >> org.apache.flink.table.planner.calcite.FlinkPlannerImpl.rel(FlinkPlannerImpl.scala:151) >> at >> org.apache.flink.table.planner.calcite.SqlExprToRexConverterImpl.convertToRexNodes(SqlExprToRexConverterImpl.java:81) >> at >> org.apache.flink.table.planner.calcite.SqlExprToRexConverterImpl.convertToRexNode(SqlExprToRexConverterImpl.java:73) >> at >> org.apache.flink.table.planner.delegation.ParserImpl.parseSqlExpression(ParserImpl.java:93) >> 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) >> ... 54 more >> >
