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remote debug return no node available #239

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opened 2026-02-16 01:15:04 -05:00 by yindo · 1 comment
yindo commented 2026-02-16 01:15:04 -05:00
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Originally created by @fatelei on GitHub (Jan 27, 2026).

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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！:)
  • "Please do not modify this template :) and fill in all the required fields."

Versions

  1. dify-plugin-daemon Version
  2. dify-api 1.11.4

Describe the bug
remote debug return no node available

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To Reproduce
Steps to reproduce the behavior:

  1. Go to '...'
  2. Click on '....'
  3. Scroll down to '....'
  4. See error

Expected behavior
A clear and concise description of what you expected to happen.

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Additional context
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Originally created by @fatelei on GitHub (Jan 27, 2026). **Self Checks** To make sure we get to you in time, please check the following :) - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify-plugin-daemon/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." **Versions** 1. dify-plugin-daemon Version 2. dify-api 1.11.4 **Describe the bug** remote debug return no node available <img width="1296" height="500" alt="Image" src="https://github.com/user-attachments/assets/e8b0366f-2358-4913-a0ef-708ec611eed4" /> **To Reproduce** Steps to reproduce the behavior: 1. Go to '...' 2. Click on '....' 3. Scroll down to '....' 4. See error **Expected behavior** A clear and concise description of what you expected to happen. **Screenshots** If applicable, add screenshots to help explain your problem. **Additional context** Add any other context about the problem here.
yindo added the bug label 2026-02-16 01:15:04 -05:00
yindo commented 2026-02-16 01:15:05 -05:00
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@dosubot[bot] commented on GitHub (Jan 27, 2026):

The "no node available" error during remote debug usually means the plugin runtime environment isn't properly initialized or registered. This can happen for several reasons:

  • A required configuration value (often the version number) must match exactly between your plugin and dify-plugin-daemon in certain versions (like 0.5.2+); mismatches will cause this error even if the plugin appears in the UI. Double-check your config for version alignment (details).
  • If you're running in a Kubernetes cluster with multiple pods, plugin runtime registration isn't synchronized across pods. Only the pod that registered the plugin can serve requests, so most requests routed to other pods will fail with this error. Workarounds include running a single replica, using a shared PVC for persistent storage, or implementing distributed locking for environment setup (details).
  • Rapid plugin restarts during debugging can trigger a 5-second sleep in the lifecycle code, making the node unavailable. Skipping this delay for remote runtimes can help (details).
  • Missing or malformed manifest.yaml, misaligned Docker volume mounts or environment variables, or persistent storage misconfiguration can also prevent the runtime from registering (details).

Troubleshooting checklist:

  1. Check that your manifest.yaml is complete and correctly formatted (no encoding issues).
  2. Make sure plugin files are mounted and readable inside the daemon container.
  3. If using Docker, verify volume mounts and environment variables like PLUGIN_STORAGE_LOCAL_ROOT.
  4. For K8s, use a shared PVC for plugin pods and avoid multi-pod deployments unless you have distributed locking.
  5. If debugging, consider patching the lifecycle code to skip the restart delay for remote runtimes.
  6. Review plugin daemon logs for environment initialization errors—any failure here will prevent runtime registration.

If the problem persists, sharing your manifest.yaml and relevant logs will help pinpoint the issue.

To reply, just mention @dosu.

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@dosubot[bot] commented on GitHub (Jan 27, 2026): <!-- Answer --> The "no node available" error during remote debug usually means the plugin runtime environment isn't properly initialized or registered. This can happen for several reasons: - A required configuration value (often the version number) must match exactly between your plugin and dify-plugin-daemon in certain versions (like 0.5.2+); mismatches will cause this error even if the plugin appears in the UI. Double-check your config for version alignment [(details)](https://github.com/langgenius/dify-plugin-daemon/issues/574). - If you're running in a Kubernetes cluster with multiple pods, plugin runtime registration isn't synchronized across pods. Only the pod that registered the plugin can serve requests, so most requests routed to other pods will fail with this error. Workarounds include running a single replica, using a shared PVC for persistent storage, or implementing distributed locking for environment setup [(details)](https://github.com/langgenius/dify-plugin-daemon/issues/577). - Rapid plugin restarts during debugging can trigger a 5-second sleep in the lifecycle code, making the node unavailable. Skipping this delay for remote runtimes can help [(details)](https://github.com/langgenius/dify-plugin-daemon/issues/386). - Missing or malformed manifest.yaml, misaligned Docker volume mounts or environment variables, or persistent storage misconfiguration can also prevent the runtime from registering [(details)](https://github.com/langgenius/dify-plugin-daemon/issues/574). Troubleshooting checklist: 1. Check that your manifest.yaml is complete and correctly formatted (no encoding issues). 2. Make sure plugin files are mounted and readable inside the daemon container. 3. If using Docker, verify volume mounts and environment variables like `PLUGIN_STORAGE_LOCAL_ROOT`. 4. For K8s, use a shared PVC for plugin pods and avoid multi-pod deployments unless you have distributed locking. 5. If debugging, consider patching the lifecycle code to skip the restart delay for remote runtimes. 6. Review plugin daemon logs for environment initialization errors—any failure here will prevent runtime registration. If the problem persists, sharing your manifest.yaml and relevant logs will help pinpoint the issue. <!-- Dosu Comment Footer --> *To reply, just mention [@dosu](https://go.dosu.dev/dosubot).* --- <sup>How did I do? [Good](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=great_response) | [Irrelevant](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=irrelevant_answer) | [Incorrect](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=incorrect_sources) | [Verbose](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=too_verbose) | [Hallucination](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=hallucination) | [Report 🐛](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=bug_report) | [Other](https://app.dosu.dev/response-feedback/caaa7b1e-42e2-4db0-871f-668d83f25110?feedback_type=other)</sup> [![Open in Cursor](https://dosu.dev/dosu-in-cursor.svg)](https://cursor.com/link/prompt?text=The%20%22no%20node%20available%22%20error%20during%20remote%20debug%20usually%20means%20the%20plugin%20runtime%20environment%20isn%27t%20properly%20initialized%20or%20registered.%20This%20can%20happen%20for%20several%20reasons%3A%0A%0A-%20A%20required%20configuration%20value%20%28often%20the%20version%20number%29%20must%20match%20exactly%20between%20your%20plugin%20and%20dify-plugin-daemon%20in%20certain%20versions%20%28like%200.5.2%2B%29%3B%20mismatches%20will%20cause%20this%20error%20even%20if%20the%20plugin%20appears%20in%20the%20UI.%20Double-check%20your%20config%20for%20version%20alignment%20%5B%28details%29%5D%28https%3A//github.com/langgenius/dify-plugin-daemon/issues/574%29.%0A-%20If%20you%27re%20running%20in%20a%20Kubernetes%20cluster%20with%20multiple%20pods%2C%20plugin%20runtime%20registration%20isn%27t%20synchronized%20across%20pods.%20Only%20the%20pod%20that%20registered%20the%20plugin%20can%20serve%20requests%2C%20so%20most%20requests%20routed%20to%20other%20pods%20will%20fail%20with%20this%20error.%20Workarounds%20include%20running%20a%20single%20replica%2C%20using%20a%20shared%20PVC%20for%20persistent%20storage%2C%20or%20implementing%20distributed%20locking%20for%20environment%20setup%20%5B%28details%29%5D%28https%3A//github.com/langgenius/dify-plugin-daemon/issues/577%29.%0A-%20Rapid%20plugin%20restarts%20during%20debugging%20can%20trigger%20a%205-second%20sleep%20in%20the%20lifecycle%20code%2C%20making%20the%20node%20unavailable.%20Skipping%20this%20delay%20for%20remote%20runtimes%20can%20help%20%5B%28details%29%5D%28https%3A//github.com/langgenius/dify-plugin-daemon/issues/386%29.%0A-%20Missing%20or%20malformed%20manifest.yaml%2C%20misaligned%20Docker%20volume%20mounts%20or%20environment%20variables%2C%20or%20persistent%20storage%20misconfiguration%20can%20also%20prevent%20the%20runtime%20from%20registering%20%5B%28details%29%5D%28https%3A//github.com/langgenius/dify-plugin-daemon/issues/574%29.%0A%0ATroubleshooting%20checklist%3A%0A1.%20Check%20that%20your%20manifest.yaml%20is%20complete%20and%20correctly%20formatted%20%28no%20encoding%20issues%29.%0A2.%20Make%20sure%20plugin%20files%20are%20mounted%20and%20readable%20inside%20the%20daemon%20container.%0A3.%20If%20using%20Docker%2C%20verify%20volume%20mounts%20and%20environment%20variables%20like%20%60PLUGIN_STORAGE_LOCAL_ROOT%60.%0A4.%20For%20K8s%2C%20use%20a%20shared%20PVC%20for%20plugin%20pods%20and%20avoid%20multi-pod%20deployments%20unless%20you%20have%20distributed%20locking.%0A5.%20If%20debugging%2C%20consider%20patching%20the%20lifecycle%20code%20to%20skip%20the%20restart%20delay%20for%20remote%20runtimes.%0A6.%20Review%20plugin%20daemon%20logs%20for%20environment%20initialization%20errors%E2%80%94any%20failure%20here%20will%20prevent%20runtime%20registration.%0A%0AIf%20the%20problem%20persists%2C%20sharing%20your%20manifest.yaml%20and%20relevant%20logs%20will%20help%20pinpoint%20the%20issue.)&nbsp;[![Join Discord](https://img.shields.io/badge/join-5865F2?logo=discord&logoColor=white&label=)](https://go.dosu.dev/discord-bot)&nbsp;[![Share on X](https://img.shields.io/badge/X-share-black)](https://twitter.com/intent/tweet?text=%40dosu_ai%20helped%20me%20solve%20this%20issue!&url=https%3A//github.com/langgenius/dify-plugin-daemon/issues/588)
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Reference: langgenius/dify-plugin-daemon#239
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