栏目分类:
子分类:
返回
名师互学网用户登录
快速导航关闭
当前搜索
当前分类
子分类
实用工具
热门搜索
名师互学网 > IT > 前沿技术 > 大数据 > 大数据系统

Flink任务报Cannot have more than one execute() or executeAsync() call in a single environment

Flink任务报Cannot have more than one execute() or executeAsync() call in a single environment

问题描述:

使用Flink 1.12开发的任务在本地IDEA中可以正常运行,发布到集群上报如下错误:

java.util.concurrent.CompletionException: org.apache.flink.client.deployment.application.ApplicationExecutionException: Could not execute application

at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)

....

Caused by: org.apache.flink.client.deployment.ApplicationExecutionException: Could not execute application

Caused by: org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: Failed to execute sql

at org.apache.flink.client.program.PackageProgram.callMainMethod(PackageProgram.java:219)

....

Caused by: org.apache.flink.table.api.TableException: Failed to execute sql

Caused by: org.apache.flink.util.FlinkRuntimeException: Cannot have more than one execute() or executeAsync() call in a single enviroment

....

解决方法:

排查发现程序中使用遍历sql集合一条一条调用tEnv.executeSql(sql)的方式执行sql,如:

for(String sql: sqlList) {

      tEnv.executeSql(sql);

}

改成使用sqlUpdate、execute解决:

for(String sql: sqlList) {

      tEnv.sqlUpdate(sql);

}

tEnv.execute("jobName")

需要注意的是updateSql方法已经标记为废弃,在新版的1.14+ Flink中已经没有这个方法了,需要使用createStatementSet执行多条Sql

 

转载请注明:文章转载自 www.mshxw.com
本文地址:https://www.mshxw.com/it/745811.html
我们一直用心在做
关于我们 文章归档 网站地图 联系我们

版权所有 (c)2021-2022 MSHXW.COM

ICP备案号:晋ICP备2021003244-6号