使用最新的 uvicorn[标准] 0.17.1。尝试config(timeout_keep_alive=0, http='h11',...)了默认的（http='auto'，它使用 httptools）。使用uvloop.
在另一个进程中运行服务器；使用httpx. 不断收到“无效的 HTTP 请求”（httptools 和 h11 都有问题，看起来性质相似）。随机出现。再打几次电话后，有时会失败。
使用starlette TestClient相同的数据可以正常工作。
刚刚得到一些详细的错误信息（但请注意：具有相同客户端有效负载的此调用并不总是失败）：
[2022-02-02 19:22:37.128 US/Pacific; WARNING; uvicorn.error, handle_events, 139] [Process-3:1] Invalid HTTP request received.
Traceback (most recent call last):
File "/usr/local/lib/python3.8/dist-packages/uvicorn/protocols/http/h11_impl.py", line 136, in handle_events
event = self.conn.next_event()
File "/usr/local/lib/python3.8/dist-packages/h11/_connection.py", line 443, in next_event
exc._reraise_as_remote_protocol_error()
File "/usr/local/lib/python3.8/dist-packages/h11/_util.py", line 76, in _reraise_as_remote_protocol_error
raise self
File "/usr/local/lib/python3.8/dist-packages/h11/_connection.py", line 425, in next_event
event = self._extract_next_receive_event()
File "/usr/local/lib/python3.8/dist-packages/h11/_connection.py", line 367, in _extract_next_receive_event
event = self._reader(self._receive_buffer)
File "/usr/local/lib/python3.8/dist-packages/h11/_readers.py", line 72, in maybe_read_from_IDLE_client
matches = validate(
File "/usr/local/lib/python3.8/dist-packages/h11/_util.py", line 88, in validate
raise LocalProtocolError(msg)
h11._util.RemoteProtocolError: illegal request line: bytearray(b'{"top_k":null,"data":{"product_id":"4JQX8FA96PDF","product_attributes":{"":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"product_short_description":{"values":[{"value":"Gildan Pre-Shrunk Apparel 100% Cotton Jersey Fashion Fit: Missy contoured silhouette with side seam Double-needle stitched hems. Seamless double needle 1/2 collar Proudly designed / printed in the United States and we ship from beautiful California Wash Inside Out with Cold Water. Hand dry recommended. Backed by JHI 100% Money Back Comfort Guarantee. We take great pride in our strong reputation for ethical business practices and the success of our customer care program. Commercial grade, durable high quality print professionally applied. A soft breathable secure fit wash after wash. All of our garment print production is done in our state-of-the-art production facility located in the U.S. This garment is designed and printed in USA with new age printing technology. Eco-friendly water-soluble ink-so it is safe for you and the environment. Each garment is handled separately in order for us to control the quality. Our garments are top quality, designed to give you maximum comfort and style. It features a comfortable and stylish design and is great for parties, casual get-togethers or everyday wear. This garment will be an everyday staple in your wardrobe. Super cute and super trendy, it\'s perfectly paired with your favorite jeans or leggings. You can pair it with shorts or pants for a relaxed and casual look. This garment will be an everyday staple in your wardrobe. Super cute and super trendy, it\'s perfectly paired with your favorite jeans, leggings, shorts, pants, hats for a relaxed and casual look. This item is available in a variety of colors and a range of sizes so you can find the ideal fit. Men\'s, Women\'s and Youth version available for most of our products. Fabric Care Instructions: Regular Cold Wash. Machine wash cold with like colors; inside out if decorated; non chlorine bleach when needed; tumble dry low; low iron excluding decoration. Great for Christmas gifts, birthdays, holidays or just to treat yourself to a great graphic garment. We offer a large variety of graphic designs, colors and sizes for men, women and kids. Among our products: t-shirts, tank tops, long-sleeve tees, sweatshirts, fleece, hoodies and other activewear. "}],"properties":{"source":"mp"}},"features":{"values":[{"value":"Tear away label adds to the comfort eliminating scratchy irritation."}],"properties":{"source":"mp"}},"color":{"values":[{"value":"Black"}],"properties":{"source":"mp"}},"color_category":{"values":[{"value":"Black"}],"properties":{"source":"MARKETPLACE_PARTNER"}},"autographed":{"values":[{"value":"N"}],"properties":{"source":"braavos"}},"clothing_size_group":{"values":[{"value":"Women"}],"properties":{"source":"mp"}},"clothing_shoulder_style":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"age_group":{"values":[{"value":"Adult"}],"properties":{"source":"mp"}},"fabric_care_instructions":{"values":[{"value":"Machine Wash Cold, Gentle Cycle"}],"properties":{"source":"mp"}},"global_product_type":{"values":[{"value":"default","id":"-1"}],"properties":{"source":"braavos_classification"}},"pattern":{"values":[{"value":"Graphic Design"}],"properties":{"source":"mp"}},"style_sleeve_length":{"values":[{"value":"Short Sleeve"}],"properties":{"source":"mp"}},"material_name":{"values":[{"value":"Cotton"}],"properties":{"source":"attribute_extraction"}},"product_category":{"values":[{"value":"Clothing, Shoes & Accessories"}],"properties":{"source":"crowd:nextwealth"}},"product_name":{"values":[{"value":"Novelty T-Shirt DAE in Yellow Womens Shirts"}],"properties":{"source":"mp"}},"clothing_size":{"values":[{"value":"S"}],"properties":{"source":"mp"}},"style_clothing_top":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"brand":{"values":[{"value":"J_H_I"}],"properties":{"source":"mp"}},"style_sleeve":{"values":[{"value":"Short Sleeve"}],"properties":{"source":"mp"}},"clothing_style":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"condition":{"values":[{"value":"New"}],"properties":{"source":"braavos"}},"actual_color":{"values":[{"value":"Black"}],"properties":{"source":"mp"}},"product_type":{"values":[{"value":"T-Shirts","tag_source":"crowd:nextwealth","id":"t_shirts"}],"properties":{"source":"crowd:nextwealth"}},"product_pt_family":{"values":[{"value":"Upper-Body Garments"}],"properties":{"source":"crowd:nextwealth"}},"fit_clothing":{"values":[{"value":"Women\'s"}],"properties":{"source":"mp"}},"gender":{"values":[{"value":"Female"}],"properties":{"source":"mp"}},"country_of_origin_textiles":{"values":[{"value":"USA"}],"properties":{"source":"mp"}},"shirt_neck_style":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"style_shirt":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"age_demographic":{"values":[{"value":"Women"}],"properties":{"source":"merchant_manual"}},"shirt_size":{"values":[{"value":"S"}],"properties":{"source":"mp"}},"clothing_back_style":{"values":[{"value":"Womens Shirts"}],"properties":{"source":"mp"}},"ironbank_category":{"values":[{"value":"Clothing"}],"properties":{"source":"mp"}},"apparel_category":{"values":[{"value":"Women"}],"properties":{"source":"braavos"}}},"assets":{"values":[{"properties":{"assetUrl":"https://i5.walmartimages.com/asr/d4a5c7ff-4209-4296-89cb-d8af04b2ef98_1.62c8cf0295e81998bcba24929b587ed0.jpeg"}}]},"source_assets":{"values":[{"properties":{"assetUrl":"NOT FOUND"}}]}},"prefiltered":true}POST /predict_pcf HTTP/1.1')
请帮忙。谢谢！