s.[1]
[1]
https://ci.apache.org/projects/flink/flink-docs-release-1.8/dev/projectsetup/java_api_quickstart.html#requirements
From: 126
Sent: Sunday, April 28, 2019 8:24
To: 胡逸才
Cc: imj...@gmail.com; dev; user
Subject: Re: How to let Flink 1.7.X run Flink session cluster on YARN in Java 7
default e
Thank you for your reminder, I will pay attention to this issue in the future.
I read some flink source code and saw that there are a lot of new features of
java8, such as CompletableFuture and Lambda expressions, which causes flink do
not run in jdk 1.7 environment, so you may need to upgrade y
Flink session cluster on YARN in Java 7
default environment
Flink源码中用到了很多java1.8的特性，所以用jdk1.7是不行的
发自我的 iPhone
在 2019年4月26日，17:48，胡逸才 mailto:huyc...@163.com>> 写道：
At present, all YARN clusters adopt JAVA 7 environment.
While trying to use FLINK to handle the deployment of flow proc
Flink源码中用到了很多java1.8的特性，所以用jdk1.7是不行的
发自我的 iPhone
> 在 2019年4月26日，17:48，胡逸才 写道：
>
> At present, all YARN clusters adopt JAVA 7 environment.
>
> While trying to use FLINK to handle the deployment of flow processing
> business scenarios, it was found that FLINK ON YARN mode always failed to
> p
At present, all YARN clusters adopt JAVA 7 environment.
While trying to use FLINK to handle the deployment of flow processing business
scenarios, it was found that FLINK ON YARN mode always failed to perform a
session task. The application log of YARN shows Unsupported major. minor
version 52.0
