[Bug] [dbgpt-core] Agent binding knowledge retrieval error

[FOkvj]

Search before asking

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

Operating system information

Linux

Python version information

=3.11

DB-GPT version

main

Related scenes

• Chat Data
• Chat Excel
• Chat DB
• Chat Knowledge
• Model Management
• Dashboard
• Plugins

Installation Information

• Installation From Source

• Docker Installation

• Docker Compose Installation

• Cluster Installation

• AutoDL Image

• Other

Device information

Device: CPU

Models information

LLM: DeepSeek-V3

What happened

Create an agent application. For example, if the binding of the Assistant Agent to the knowledge base fails

What you expected to happen

the reason is that the initialization of the RetrieverResource fails due to the lack of a configured reranker

How to reproduce

Create an agent application binding a knowledge and without reranker configeration

Additional context

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!