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DeepSeek LLM node in Iteration Parallel Mode frequently encounter ERROR "PluginDaemonInnerError" "\u003c" #12692

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opened 2026-02-21 19:08:34 -05:00 by yindo · 1 comment
yindo commented 2026-02-21 19:08:34 -05:00
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Originally created by @Zerglingzl on GitHub (Apr 9, 2025).

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  • This is only for bug report, if you would like to ask a question, please head to Discussions.
  • I have searched for existing issues search for existing issues, including closed ones.
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  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:)
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Dify version

1.1.3

Cloud or Self Hosted

Cloud

Steps to reproduce

1, Add DeepSeek LLM node in Iteration, (and turn on "retry").
2, Turn on Parallel Mode, set num to 10.
3, Input 5 to 20 tasks in Array[obj] to Iteration.
4, Run.

✔️ Expected Behavior

tasks should be executed simultaneously in branch (below 10), then No. 10-20. most importantly, all task should be executed SUCCESSFULLY!

❌ Actual Behavior

Deep seek LLM node frequntly encounter error：“[deepseek] Error: PluginInvokeError: {"args":null,"error_type":"PluginDaemonInnerError","message":"encountered an error: invalid character '\u003c' looking for beginning of value status: 504 Gateway Time-out original response: \u003c!DOCTYPE html\u003e"}”.

note: when I turn off Parallel Mode, or set num to 1(which actually means 1 by 1), it works fine.
note2: I have tried "retry" in LLM node(max 10 times), but it remains fail no matter how many times "retry"

Image

Originally created by @Zerglingzl on GitHub (Apr 9, 2025). ### Self Checks - [x] This is only for bug report, if you would like to ask a question, please head to [Discussions](https://github.com/langgenius/dify/discussions/categories/general). - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit this report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:) - [x] Please do not modify this template :) and fill in all the required fields. ### Dify version 1.1.3 ### Cloud or Self Hosted Cloud ### Steps to reproduce 1, Add DeepSeek LLM node in Iteration, (and turn on "retry"). 2, Turn on Parallel Mode, set num to 10. 3, Input 5 to 20 tasks in Array[obj] to Iteration. 4, Run. ### ✔️ Expected Behavior tasks should be executed simultaneously in branch (below 10), then No. 10-20. most importantly, all task should be executed **SUCCESSFULLY**! ### ❌ Actual Behavior Deep seek LLM node frequntly encounter error：“[deepseek] Error: PluginInvokeError: {"args":null,"error_type":"PluginDaemonInnerError","message":"encountered an error: invalid character '\u003c' looking for beginning of value status: 504 Gateway Time-out original response: \u003c!DOCTYPE html\u003e"}”. note: when I turn off Parallel Mode, or set num to 1(which actually means 1 by 1), it works fine. note2: I have tried "retry" in LLM node(max 10 times), but it remains fail no matter how many times "retry" ![Image](https://github.com/user-attachments/assets/9d0cd914-f507-4a3c-bd14-0f48c03dff20)
yindo added the 🐞 bug label 2026-02-21 19:08:34 -05:00
yindo closed this issue 2026-02-21 19:08:35 -05:00
yindo commented 2026-02-21 19:08:35 -05:00
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@crazywoola commented on GitHub (Apr 9, 2025):

In parallel mode you could easily hit the rate limit of the provider, if it takes too long to response, then you will get an error like this.

504 Gateway Time-out original response: \u003c!DOCTYPE html\u003e

@crazywoola commented on GitHub (Apr 9, 2025): In parallel mode you could easily hit the rate limit of the provider, if it takes too long to response, then you will get an error like this. `504 Gateway Time-out original response: \u003c!DOCTYPE html\u003e`
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Reference: langgenius/dify#12692
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