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How come this behavior did not occur before durable_interrupt? To my knowledge, It does nothing to the propagation mechanism for interrupts.
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can you leave a comment explaining why exactly this exception must be reraised. Without it it looks confusing for devs/llms that do not have the specific context of the issues.
Ideally with a link to langgraph docs about interrupt propagation
andreitava-uip
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Mar 11, 2026
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Synced with andrei async https://uipath-product.slack.com/archives/C08ANP7FJA3/p1773069850138399 |
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Fixes
durable_interrupttools like RPA tools (durable_interruptwas introduced 2w ago). This only broke for conversational agents because convo agents sethandle_tool_errors=Truewhich catches generic exceptions (likeGraphInterrupt/GraphBubbleUp) and converts it into an errorToolMessage(since we want to convey to user something went wrong instead of just crashing on exceptions)By raising
GraphBubbleUpbefore the generic handler, the interrupt properly bubbles up to Langgraph, pauses execution, saves the checkpoint - and allows the tool to resume