openclaw - 💡(How to fix) Fix [Bug] workflow agent runs causing nested timeout cascading failures [1 participants]

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openclaw/openclaw#62469Fetched 2026-04-08 03:03:51
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Error Message

[diagnostic] lane task error: lane=session:agent:main:cron:76c9acdf-1f41-4bbe-b584-f9b956d05728 durationMs=119986 error="FailoverError: LLM request timed out." [diagnostic] lane task error: lane=nested durationMs=119985 error="FailoverError: LLM request timed out."

Root Cause

Impact

  • Outer workflows get contaminated by inner agent failures
  • Timeout in isolated session propagates to parent
  • Cron delivery fails because agent run itself failed

Code Example

[diagnostic] lane task error: lane=session:agent:main:cron:76c9acdf-1f41-4bbe-b584-f9b956d05728 durationMs=119986 error="FailoverError: LLM request timed out."
[diagnostic] lane task error: lane=nested durationMs=119985 error="FailoverError: LLM request timed out."
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Bug Description

When a nested agent run (e.g., cron-triggered GitHub intel collector) times out on MiniMax, the outer workflow also fails with cascading timeout, instead of the failure being contained.

Log Evidence

[diagnostic] lane task error: lane=session:agent:main:cron:76c9acdf-1f41-4bbe-b584-f9b956d05728 durationMs=119986 error="FailoverError: LLM request timed out."
[diagnostic] lane task error: lane=nested durationMs=119985 error="FailoverError: LLM request timed out."

Impact

  • Outer workflows get contaminated by inner agent failures
  • Timeout in isolated session propagates to parent
  • Cron delivery fails because agent run itself failed

Suggested Fix

  • Nested/isolated session failures should be contained, not propagate to parent
  • Timeout should trigger retry in isolated session without affecting outer context

extent analysis

TL;DR

Implementing a retry mechanism for isolated sessions and containing failures within nested agents can prevent cascading timeouts.

Guidance

  • Review the current implementation of nested agent runs to identify where the failure propagation is occurring and consider adding error handling to contain the failure.
  • Investigate the possibility of implementing a retry mechanism for isolated sessions that time out, to prevent the outer workflow from failing.
  • Analyze the logging evidence to understand the sequence of events leading to the cascading timeout and identify potential points of intervention.
  • Consider modifying the workflow configuration to allow for more robust error handling and failure containment.

Example

# Pseudo-code example of a retry mechanism for isolated sessions
def run_isolated_session():
    max_retries =

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