环境信息:flink-1.11.0, blink-planner, 本地ide开发测试(IDEA)
问题描述:使用executeSql()方法执行DDL语句,控制台打印如下异常信息。(flink-connector-kafka_2.11依赖已添加)
我不确定是否还有某个必要的依赖没有添加,还是有其他的地方没有考虑完整,请大佬赐教。
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Exception in thread "main" org.apache.flink.table.api.ValidationException: Unable to create a source for reading table 'default_catalog.default_database.kafka_out'.
Table options are:
'connector'='kafka'
'format'='json'
'properties.bootstrap.servers'='localhost:9092'
'properties.group.id'='flink-1.11'
'scan.startup.mode'='group-offsets'
'topic'='flink-kafka'
at org.apache.flink.table.factories.FactoryUtil.createTableSource(FactoryUtil.java:125)
at org.apache.flink.table.planner.plan.schema.CatalogSourceTable.buildTableScan(CatalogSourceTable.scala:135)
at org.apache.flink.table.planner.plan.schema.CatalogSourceTable.toRel(CatalogSourceTable.scala:78)
at org.apache.calcite.sql2rel.SqlToRelConverter.toRel(SqlToRelConverter.java:3492)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertIdentifier(SqlToRelConverter.java:2415)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2102)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2051)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:661)
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.convertFrom(SqlToRelConverter.java:2178)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertFrom(SqlToRelConverter.java:2051)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertSelectImpl(SqlToRelConverter.java:661)
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.operations.SqlToOperationConverter.toQueryOperation(SqlToOperationConverter.java:773)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlQuery(SqlToOperationConverter.java:745)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:238)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convertSqlInsert(SqlToOperationConverter.java:527)
at org.apache.flink.table.planner.operations.SqlToOperationConverter.convert(SqlToOperationConverter.java:204)
at org.apache.flink.table.planner.delegation.ParserImpl.parse(ParserImpl.java:78)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.executeSql(TableEnvironmentImpl.java:678)
at example.Example.main(Example.java:77)
Caused by: org.apache.flink.table.api.ValidationException: Could not find any factories that implement 'org.apache.flink.table.factories.DeserializationFormatFactory' in the classpath.
at org.apache.flink.table.factories.FactoryUtil.discoverFactory(FactoryUtil.java:229)
at org.apache.flink.table.factories.FactoryUtil$TableFactoryHelper.discoverOptionalFormatFactory(FactoryUtil.java:538)
at org.apache.flink.table.factories.FactoryUtil$TableFactoryHelper.discoverOptionalDecodingFormat(FactoryUtil.java:426)
at org.apache.flink.table.factories.FactoryUtil$TableFactoryHelper.discoverDecodingFormat(FactoryUtil.java:413)
at org.apache.flink.streaming.connectors.kafka.table.KafkaDynamicTableFactoryBase.createDynamicTableSource(KafkaDynamicTableFactoryBase.java:73)
at org.apache.flink.table.factories.FactoryUtil.createTableSource(FactoryUtil.java:122)
... 25 more
*来自志愿者整理的flink邮件归档
看起来是format找不到实现,你可以添加一下flink-json的依赖看一下。
*来自志愿者整理的flink邮件归档
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