[Bug] [Parameter Context] The preparameter OUT is null

[cheneychoi]

Search before asking

• I had searched in the issues and found no similar issues.

What happened

在首节点设定两个OUT参数，其中一个给常量，另一个以shell设置参数值传递的方式，传递到下一个节点时，其中常量的参数为null

What you expected to happen

AbstractParameters中在给OUT参数设置value时，把原有的常量值设置了为null

How to reproduce

Anything else

每次都会发生

Version

2.0.1

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct

[github-actions]

Search before asking

-[X] I had searched in the issues and found no similar issues.

What happened

Set two OUT parameters at the first node, one of which is a constant, and the other is passed to the next node by means of the shell setting parameter value, and the constant parameter is null

What you expected to happen

In AbstractParameters, when setting the value of the OUT parameter, the original constant value is set to null

How to reproduce

Anything else

Happens every time

Version

2.0.1

Are you willing to submit PR?

-[X] Yes I am willing to submit a PR!

Code of Conduct

-[X] I agree to follow this project's Code of Conduct

[github-actions]

Hi:

• Thank you for your feedback, we have received your issue, Please wait patiently for a reply.
• In order for us to understand your request as soon as possible, please provide detailed information、version or pictures.
• If you haven't received a reply for a long time, you can subscribe to the developer's email，Mail subscription steps reference https://dolphinscheduler.apache.org/en-us/community/development/subscribe.html ,Then write the issue URL in the email content and send question to dev@dolphinscheduler.apache.org.