getDbzConfiguration(), // JdbcConnectionFactory是mysql-cdc对debezium的ConnectionFactory的实现,用来创建mysql连接 new JdbcConnectionFactory(sourceConfig)); try { // 创建连接并校验连接的可用性 jdbc.connect(); } catch (Exception e) { LOG.error("Failed to open MySQL connection", e); throw new ...
19 more Caused by: java.util.ServiceConfigurationError: org.apache.flink.table.factories.Factory: Provider org.apache.flink.connector.jdbc.catalog.factory.JdbcCatalogFactory not a subtype at java.util.ServiceLoader.fail(ServiceLoader.java:239) at java.util.ServiceLoader.access$300(ServiceLoader.java:185...
All configuration is done inconf/flink-conf.yaml, which is expected to be a flat collection ofYAML key value pairswith formatkey: value. The system and run scripts parse the config at startup time. Changes to the configuration file require restarting the Flink JobManager and TaskManagers. ...
You can add the 'file.compression' = 'zstd' configuration when you create a table and use the Zstandard data compression algorithm to save data files. This reduces the total size of data files. Note The file.compression parameter can be configured only when you create a table. After the...
Then, the client returns the metadata of each broker, including the endpoint, based on the configuration. The client uses the acquired endpoint to connect to a broker to produce or consume data. If the broker is misconfigured, the client will receive an incorrect endpoint. In this case, ...
export PATH=$JAVA_HOME/bin:$PATH export CLASSPATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib 4. Go to the confluent-5.5.2/etc/schema-registry/ directory and modify the following configuration items in the schema-registry.properties file: listeners=http://:...
error reading tables: No database selected jobmanager_1 | 2022-05-06T01:54:19.373209226Z 2022-05-06 01:54:19,373 WARN com.ververica.cdc.connectors.mysql.source.utils.TableDiscoveryUtils [] - skipping database 'performance_schema' due to error reading tables: No database selected jobmanager_...
1、File-based 2、Socket-based 3、Collection-based 4、Custom 2)、Transformations介绍 1、map 2、flatmap 3、Filter 5、Reduce 6、Aggregations 7、Window 8、WindowAll 9、Window Apply 10、Window Reduce 11、Aggregations on windows 12、Union 13、Window Join ...
// this.flinkChainedProgram = FlinkStreamProgramWithoutPhysical.buildProgram(configuration);/*** Calling each program's optimize method in sequence.*/privateRelNodeoptimize(RelNoderelNode) {returnflinkChainedProgram.optimize(relNode,newStreamOptimizeContext() {@OverridepublicbooleanisBatchMode() {returnfalse;...
error 第二部分:Flink 扩展支持用户自定义 Hive UDF。 内置函数解决不了用户的复杂需求,用户就需要自己写 Hive UDF,并且这部分自定义 UDF 也想在 flink sql 中使用。 下面看看怎么在 Flink SQL 中进行这两种扩展。 ⭐ flink 扩展支持 hive 内置 udf 步骤如下: ⭐ 引入 hive 的 connector。其中包含了 flink...