http://apache-flink.370.s1.nabble.com/Error-java-add-exports-java-base-sun-net-util-ALL-UNNAMED-tp943p1378.html
> I have the same problem when upgrade my IDEA to 2019.3.1.
> And the Biao's solution works for me too.
>
> Best,
> Jark
>
> On Thu, 21 Nov 2019 at 22:23, 刘建刚 <
[hidden email]> wrote:
>
>> Thank you very much. It works for me.
>>
>>> 在 2019年11月14日，下午1:06，Biao Liu <
[hidden email]> 写道：
>>>
>>> Hi,
>>>
>>> I have encountered the same issue when setting up a dev environment.
>>>
>>> It seems that the my Intellij (2019.2.1) unexpectedly activates java11
>>> profile of maven. It doesn't match the Java compiler (JDK8). I'm not sure
>>> why it happened silently.
>>>
>>> So for me, the solution is "Intellij" -> "View" -> "Tool Windows" ->
>>> "Maven" -> "Profiles" -> uncheck the "java11" -> reimport maven project.
>>>
>>> Thanks,
>>> Biao /'bɪ.aʊ/
>>>
>>>
>>>
>>> On Mon, 4 Nov 2019 at 18:01, OpenInx <
[hidden email]> wrote:
>>>
>>>> Hi
>>>> I met the same problem before. After some digging, I find that the idea
>>>> will detect the JDK version
>>>> and choose whether to use the jdk11 option to run the flink maven
>> building.
>>>> if you are in jdk11 env, then
>>>> it will add the option --add-exports when maven building in IDEA.
>>>>
>>>> For my case, I was in IntelliJIdea2019.2 which depends on the jdk11,
>> and
>>>> once I re-import the flink
>>>> modules then the IDEA will add the --add-exports flag even if I removed
>>>> all the flags in .idea/compile.xml
>>>> explicitly. I noticed that the Intellij's JDK affected the flink maven
>>>> building, so I turned to use the Intellij with JDK8
>>>> bundled, then the problem was gone.
>>>>
>>>> You can verify it, and if it's really the same. can just replace your
>> IDEA
>>>> with the pkg suffix with "with bundled JBR 8" in
>>>> here [1].
>>>> Say if you are using MacOS, then should download the package "2019.2.4
>> for
>>>> macOS with bundled JBR 8 (dmg)"
>>>>
>>>> Hope it works for you
>>>> Thanks.
>>>>
>>>> [1].
https://www.jetbrains.com/idea/download/other.html>>>>
>>>>
>>>> On Mon, Nov 4, 2019 at 5:44 PM Till Rohrmann <
[hidden email]>
>> wrote:
>>>>> Try to reimport that maven project. This should resolve this issue.
>>>>>
>>>>> Cheers,
>>>>> Till
>>>>>
>>>>> On Mon, Nov 4, 2019 at 10:34 AM 刘建刚 <
[hidden email]> wrote:
>>>>>
>>>>>> Hi, I am using flink 1.9 in idea. But when I run a unit test in
>>>>> idea.
>>>>>> The idea reports the following error:"Error:java: 无效的标记:
>>>>>> --add-exports=java.base/sun.net.util=ALL-UNNAMED".
>>>>>> Everything is ok when I use flink 1.6. I am using jdk 1.8. Is it
>>>>>> related to the java version?
>>>>>>
>>