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Kafka Connect运用用户快速定义并实现各种Connector(File,Jdbc,Hdfs等)，这些功能让大批量数据导入/导出Kaf...
请教大佬一个Flink CDC问题:org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot load user class: pig.joolgo.mysql.DataChangeSink ClassLoader info: URL ClassLoader: Class not resolvable through given classloader. at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFacto...
hi all: flink 启动报错,调整了配置classloader.resolve-order: parent-first 也没用效果,请问该问题如何排查? 2020-10-25 22:14:00 org.apache.flink.streaming.runtime.tasks.StreamTaskException: Cannot instantiate user function. at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperatorFactory(...
java.lang.IllegalStateException: No Executor found. Please make sure to export the HADOOP_CLASSPATH environment variable or have hadoop in your classpath. 方法1:配置环境变量 vi /etc/profile #添加下面一行 export HADOOP_CLASSPATH=`hadoop classpath` ...
二,UnsupportedFileSystemSchemeException: Hadoop is not in the classpath/dependencies. 三,javademo错误 四,flink wordcount没有输出 五,Hadoop is not in the classpath/dependencies. 六,结果写入hdfs报错 七,命令行提交per job报错 八,运行滚动窗口demo报错 九,使用flink sql时报错 十,使用flink sql报错 十一...
configurations of the deployments that use the CREATE TABLE AS statement are the same, you can configure the same server ID for each MySQL CDC source table to reuse the data source and reduce the load on the database. For more information, seeExample 4: execution of multiple CREATE TABLE ...
This type (GenericType<Test>) cannot be used as key remains even for ordinary case class (not generated via reflection) caseclassTest(a:String, b:Int, c:String, d:Long) The first issueis that this case class is not a POJO https://ci.apache.org/projects/flink/flink-docs-stable/dev/...
java.sql.SQLException;importjava.util.HashMap;importjava.util.Map;importjava.util.Properties;publicclassFlinkDemo{// Define the data structure.publicstaticclassStudent{publicintid;publicString name;publicintscore;publicStudent(intid, String name,intscore){this.id = id;this.name = name;this.score ...
Data Lake Insight What's New Function Overview Product Bulletin Service Overview Billing Getting Started User Guide Best Practices Developer Guide SQL Syntax Reference API Reference SDK Reference FAQs DLI Basics DLI Elastic Resource Pools and Queues DLI Databases and Tables Enhanced Datasource Connections...