[Bug] [dolphinscheduler-task-sql] sql task error！！！！

[hkun0120]

Search before asking

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

What happened

What you expected to happen

try to connect postgresql ,sometimes we got the error,what can i do ,the connection param is right . Version is 3.0.0

How to reproduce

..

Anything else

No response

Version

3.0.x

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]

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 join our slack and send your question to channel #troubleshooting

[DarkAssassinator]

hi @hkun0120 , may u should check your sql and params.

[hkun0120]

hi @hkun0120 , may u should check your sql and params.

yes ,after check.SQL is oK. and the null is from connection.not THE EXECUTE SQL.

[hkun0120]

connection is null ,why this happens

[DarkAssassinator]

connection is null ,why this happens

this is 3.0.x source code?

[hkun0120]

connection is null ,why this happens

this is 3.0.x source code?

logger.info is I add later

[hkun0120]

@ruanwenjun 大神帮忙，看看能不能给点思路

[hkun0120]

今天不报错了，估计是我们积压的task太多，导致占据了连接数