aloyszhang opened a new issue, #9876:
URL: https://github.com/apache/inlong/issues/9876
### What happened
Manager-client print error message when met exception like :
```shell
java.lang.IllegalArgumentException: Request to Inlong Inlong group already
exists failed: null
at
org.apache.inlong.manager.common.util.Preconditions.expectTrue(Preconditions.java:138)
at
org.apache.inlong.manager.client.api.util.ClientUtils.assertRespSuccess(ClientUtils.java:121)
at
org.apache.inlong.manager.client.api.inner.client.InlongGroupClient.createGroup(InlongGroupClient.java:166)
at org.example.Main.testGroup(Main.java:65)
at org.example.Main.main(Main.java:58)
```
The error message `Request to Inlong Inlong group already exists failed:
null` has the wrong format.
### What you expected to happen
The manager client prints the error message in a readable way.
### How to reproduce
Call the manager-client to generate an exception(e.g. create a duplicated
group) and see the error message.
### Environment
_No response_
### InLong version
master
### InLong Component
InLong Manager
### 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](https://www.apache.org/foundation/policies/conduct)
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