flink sql 完整报错 Caused by: java.lang.NullPointerExceptionat StreamExecCalc$1148.processElement_split178(Unknown Source) ~[?:?]at StreamExecCalc$1148.processElement(Unknown Source) ~[?:?]at org.apache

官方文档 Asynchronous I/O for External Data Access 异步 I/O | Apache Flink 核心问题 问什么有官方文档,我还要写个博客,因为scala Future这块有坑. 1 为什么我的算子显示反压100% 2 为什么我的任务不报错,也没有输出 3 Future对象我该怎么构建,有哪些注意事项. pom <project x

savepoint命令 flink savepoint e04813d4e7480c526912eb4d32bba510 hdfs://flink/flink/migration/savepoint56650 -Dyarn.application.id=application_1683808492336_1222 报错内容 org.apache.flink.util.FlinkEx