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DIfy tool comfyUI the Image Node ID List not match your upload image files. #713
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Originally created by @lcy0520 on GitHub (Oct 14, 2025).
Self Checks
Dify version
1.9.1
Plugin version
0.3.2
Cloud or Self Hosted
Self Hosted (Docker)
Steps to reproduce
The plugin is comfyui workflow, the content in the workflow json is the workflow json API exported from the comfyui workflow, and its Chinese input has been replaced with the text generated by the LLM model, the image input is replaced with an empty string, and the image input is a single image data obtained by the list operation node.
✔️ Error log
The plugin accepts input as ：
{
"workflow_json": "{\n "84": {\n "inputs": {\n "clip_name": "umt5_xxl_fp8_e4m3fn_scaled.safetensors",\n "type": "wan",\n "device": "default"\n },\n "class_type": "CLIPLoader",\n "_meta": {\n "title": "加载CLIP"\n }\n },\n "85": {\n "inputs": {\n "add_noise": "disable",\n "noise_seed": 0,\n "steps": 4,\n "cfg": 1,\n "sampler_name": "euler",\n "scheduler": "simple",\n "start_at_step": 2,\n "end_at_step": 4,\n "return_with_leftover_noise": "disable",\n "model": [\n "103",\n 0\n ],\n "positive": [\n "98",\n 0\n ],\n "negative": [\n "98",\n 1\n ],\n "latent_image": [\n "86",\n 0\n ]\n },\n "class_type": "KSamplerAdvanced",\n "_meta": {\n "title": "K采样器（高级）"\n }\n },\n "86": {\n "inputs": {\n "add_noise": "enable",\n "noise_seed": 138073435077572,\n "steps": 4,\n "cfg": 1,\n "sampler_name": "euler",\n "scheduler": "simple",\n "start_at_step": 0,\n "end_at_step": 2,\n "return_with_leftover_noise": "enable",\n "model": [\n "104",\n 0\n ],\n "positive": [\n "98",\n 0\n ],\n "negative": [\n "98",\n 1\n ],\n "latent_image": [\n "98",\n 2\n ]\n },\n "class_type": "KSamplerAdvanced",\n "_meta": {\n "title": "K采样器（高级）"\n }\n },\n "87": {\n "inputs": {\n "samples": [\n "85",\n 0\n ],\n "vae": [\n "90",\n 0\n ]\n },\n "class_type": "VAEDecode",\n "_meta": {\n "title": "VAE解码"\n }\n },\n "89": {\n "inputs": {\n "text": "色调艳丽，过曝，静态，细节模糊不清，字幕，风格，作品，画作，画面，静止，整体发灰，最差质量，低质量，JPEG压缩残留，丑陋的，残缺的，多余的手指，画得不好的手部，画得不好的脸部，畸形的，毁容的，形态畸形的肢体，手指融合，静止不动的画面，杂乱的背景，三条腿，背景人很多，倒着走",\n "clip": [\n "84",\n 0\n ]\n },\n "class_type": "CLIPTextEncode",\n "_meta": {\n "title": "CLIP Text Encode (Negative Prompt)"\n }\n },\n "90": {\n "inputs": {\n "vae_name": "wan_2.1_vae.safetensors"\n },\n "class_type": "VAELoader",\n "_meta": {\n "title": "加载VAE"\n }\n },\n "93": {\n "inputs": {\n "text": "\n\nA girl dances on the beach.",\n "clip": [\n "84",\n 0\n ]\n },\n "class_type": "CLIPTextEncode",\n "_meta": {\n "title": "CLIP Text Encode (Positive Prompt)"\n }\n },\n "94": {\n "inputs": {\n "fps": 16,\n "images": [\n "87",\n 0\n ]\n },\n "class_type": "CreateVideo",\n "_meta": {\n "title": "创建视频"\n }\n },\n "95": {\n "inputs": {\n "unet_name": "wan2.2_i2v_high_noise_14B_fp8_scaled.safetensors",\n "weight_dtype": "default"\n },\n "class_type": "UNETLoader",\n "_meta": {\n "title": "UNet加载器"\n }\n },\n "96": {\n "inputs": {\n "unet_name": "wan2.2_i2v_low_noise_14B_fp8_scaled.safetensors",\n "weight_dtype": "default"\n },\n "class_type": "UNETLoader",\n "_meta": {\n "title": "UNet加载器"\n }\n },\n "97": {\n "inputs": {\n "image": ""\n },\n "class_type": "LoadImage",\n "_meta": {\n "title": "加载图像"\n }\n },\n "98": {\n "inputs": {\n "width": 640,\n "height": 640,\n "length": 81,\n "batch_size": 1,\n "positive": [\n "93",\n 0\n ],\n "negative": [\n "89",\n 0\n ],\n "vae": [\n "90",\n 0\n ],\n "start_image": [\n "97",\n 0\n ]\n },\n "class_type": "WanImageToVideo",\n "_meta": {\n "title": "Wan图像到视频"\n }\n },\n "101": {\n "inputs": {\n "lora_name": "wan2.2_i2v_lightx2v_4steps_lora_v1_high_noise.safetensors",\n "strength_model": 1.0000000000000002,\n "model": [\n "95",\n 0\n ]\n },\n "class_type": "LoraLoaderModelOnly",\n "_meta": {\n "title": "LoRA加载器（仅模型）"\n }\n },\n "102": {\n "inputs": {\n "lora_name": "wan2.2_i2v_lightx2v_4steps_lora_v1_low_noise.safetensors",\n "strength_model": 1.0000000000000002,\n "model": [\n "96",\n 0\n ]\n },\n "class_type": "LoraLoaderModelOnly",\n "_meta": {\n "title": "LoRA加载器（仅模型）"\n }\n },\n "103": {\n "inputs": {\n "shift": 5.000000000000001,\n "model": [\n "102",\n 0\n ]\n },\n "class_type": "ModelSamplingSD3",\n "_meta": {\n "title": "采样算法（SD3）"\n }\n },\n "104": {\n "inputs": {\n "shift": 5.000000000000001,\n "model": [\n "101",\n 0\n ]\n },\n "class_type": "ModelSamplingSD3",\n "_meta": {\n "title": "采样算法（SD3）"\n }\n },\n "108": {\n "inputs": {\n "filename_prefix": "video/ComfyUI",\n "format": "auto",\n "codec": "auto",\n "video": [\n "94",\n 0\n ]\n },\n "class_type": "SaveVideo",\n "meta": {\n "title": "保存视频"\n }\n }\n}",
"images": {
"dify_model_identity": "dify__file",
"id": null,
"tenant_id": "f09ae8e4-807c-4c82-b788-d05ca60e2735",
"type": "image",
"transfer_method": "tool_file",
"remote_url": null,
"related_id": "b3646fa9-7c06-4ea7-a327-5861b76736be",
"filename": "ComfyUI_00018.png",
"extension": ".png",
"mime_type": "image/png",
"size": 1588534,
"url": "http://xy.dnset.com:1280//files/tools/b3646fa9-7c06-4ea7-a327-5861b76736be.png?timestamp=1760426080&nonce=56e45394a15b333b577c6c90597a1392&sign=7_lVtM3SfH9VRXU79YGlXe_sihUh5PuVZbv8fcWVbZE="
},
"image_ids": ""
}
An error occurred in the plugin, please contact the author of langgenius/comfyui/comfyui for help, error type: ToolProviderCredentialValidationError, error details: the Image Node ID List not match your upload image files.
@dosubot[bot] commented on GitHub (Oct 14, 2025):
Hi @lcy0520! I'm Dosu and I’m helping the dify-official-plugins team.
The error happens because the comfyUI plugin expects the uploaded image files to match the image node IDs defined in your workflow JSON. In your case, node "97" (
LoadImage) has its "image" input set to an empty string, while you provide a PNG file but leaveimage_idsempty. This mismatch triggers the strict validation logic, resulting in the ToolProviderCredentialValidationError.To fix this, make sure:
LoadImagenode(s) reference the correct image filename or ID.image_idsfield is populated with the correct node ID(s) that correspond to the uploaded image(s).If your workflow expects a single image, set the "image" input in node "97" to the filename or ID of your uploaded image, and ensure
image_idsincludes the corresponding node ID. This will allow the plugin to validate and process the image correctly.The comfyUI plugin's validation is intentionally strict to prevent workflow errors, so any mismatch between workflow JSON and uploaded images will cause this error. For more details, see the implementation and validation logic in the plugin code (source).
To reply, just mention @dosu.
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