Sorry, I didn't see the original message already mentioned in these
configurations. But it do works for me. I put these into flink-conf.yml,
not try the way you did.
On Mon, Apr 29, 2019 at 9:45 AM Yaoting Gong <
[hidden email]>
wrote:
> Hi， @胡逸才， I've met the same problem. Add some configs as blow will help
> you .
>
> env.java.home: /usr/jdk1.8.0_51containerized.master.env.JAVA_HOME:
> /usr/jdk1.8.0_51containerized.taskmanager.env.JAVA_HOME: /usr/jdk1.8.0_51yarn.taskmanager.env.JAVA_HOME:
> /usr/jdk1.8.0_51
>
>
>
> On Sun, Apr 28, 2019 at 1:58 PM 张军 <
[hidden email]> wrote:
>
>> 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
>> your jdk to 1.8.
>>
>>
>>
>>
>> > 在 2019年4月28日，上午8:24，126 <
[hidden email]> 写道：
>> >
>> > 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 <
[hidden email]> 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
>> perform a session task. The application log of YARN shows Unsupported
>> major. minor version 52.0.
>> >>
>> >> I tried to add env. java. home: < JDK 1.8PATH > in flink-conf. yaml of
>> the mailing list solution. And the startup command adds -yD yarn.
>> taskmanager. env. JAVA_HOME= < JDK1.8PATH>、-yD containerized. master. env.
>> JAVA_HOME= < JDK1.8PATH>, -yD containerized. taskmanager. env. JAVA_HOME= <
>> JDK1.8PATH>. Flink session cluster in YARN can not run Application in JAVA
>> 8 environment.
>> >>
>> >> So can I use Flink1.7.X submit Flink session cluster application in
>> YARN under JAVA 7 environment?
>> >>
>> >>
>> >>
>>
>>
Locked
