[Bug]: Milvus connection exception etcd, generate coredump.

[zhoujiaqi1998]

Is there an existing issue for this?

• [X] I have searched the existing issues

Environment

- Milvus version:2.4.12
- Deployment mode(standalone or cluster):standalone and cluster
- MQ type(rocksmq, pulsar or kafka):    rocksmq and pulsar
- SDK version(e.g. pymilvus v2.0.0rc2):
- OS(Ubuntu or CentOS): CentOS
- CPU/Memory: 
- GPU: 
- Others:

Current Behavior

coredump.zip

Expected Behavior

No response

Steps To Reproduce

Create a new milvus and configure non-existent etcd.

Milvus Log

milvus.log

Anything else?

No response

[xiaofan-luan]

this is expected. Milvus can not serve with etcd. On other word, etcd is strong dependency for milvus

[zhoujiaqi1998]

The program can exit, but I think generating a core dump is abnormal. @xiaofan-luan