A2A agent with remote A2A subagents in Agent Engine

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Hi community,

I wonder if there is any guidance / doc provided for the following setup:

  • I have two A2A agents deployed in Agent Engine: they work fine
  • I have deployed another one (call it root_agent / orchestrator) that has as subagents the other 2 deployed agents

In local laptop, the root agent works fine when invoking the deployed subagents. However, when I test the deployed version I get the error ‘a2a.client.errors.A2AClientHTTPError: HTTP Error 400: Client error ‘400 Bad Request’ for url …’ I tried several things without any result (also iterating several times with the AI assistant). Any ideas ?

Has anybody tried this? Happy to share my code if that helps.

Cheers,
Jorge.