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[LINE Client] 400: Invalid reply token. #154

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MrOrz opened this issue Feb 11, 2020 · 2 comments · Fixed by #156
Open

[LINE Client] 400: Invalid reply token. #154

MrOrz opened this issue Feb 11, 2020 · 2 comments · Fixed by #156
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MrOrz commented Feb 11, 2020

View details in Rollbar: https://rollbar.com/mrorz/rumors-line-bot/items/56/

[LINE Client] 400: Invalid reply token.
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MrOrz commented Feb 11, 2020

Steps to reproduce: Submit a big picture with lots of text. Chatbot will be busy doing OCR and by the time OCR finishes, chatbot's reply will be swallowed and there will be "invalid reply token" error.

From LINE messaging API doc:

Because the reply token becomes invalid after a certain period of time, responses should be sent as soon as a message is received.
https://developers.line.biz/en/reference/messaging-api/#send-reply-message

It seems that the reply token is only available for 30-ish seconds. Replying beyond that time will raise such error, and from LINE user perspective, the chatbot reads the message but has no reply.

Similar encounter here: line/line-bot-sdk-python#145 (comment)

nonumpa added a commit that referenced this issue Feb 26, 2020
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Fix #154 Invalid reply token issue, add timeout mechanism
774294d
@nonumpa nonumpa mentioned this issue Feb 26, 2020
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nonumpa added a commit that referenced this issue Feb 26, 2020
@nonumpa
Fix #154 Invalid reply token issue, add timeout mechanism
1545013
@MrOrz MrOrz reopened this Feb 28, 2020
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MrOrz commented Feb 29, 2020

Fixed again by #157

@MrOrz MrOrz closed this as completed Feb 29, 2020
@MrOrz MrOrz reopened this Apr 16, 2020
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Fix invalid replyToken, add timeout mechanism cofacts/rumors-line-bot
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@MrOrz @nonumpa