Help Center/ Application Performance Management/ FAQs（2.0）/ JavaAgent Connection FAQs/ Why Can't Classes Be Found When Multiple Agents Are Connected?
Updated on 2026-07-29 GMT+08:00
Why Can't Classes Be Found When Multiple Agents Are Connected?
Cause: When multiple Agents such as Java Code Coverage (JaCoCo) and APM Agents are connected, the Agents cannot find class exceptions.
Solution: Change the positions of the Agents. Specifically, place the JaCoCo Agent in front of the APM Agent. The APM Agent has no requirement on positions.
Parent topic: JavaAgent Connection FAQs
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