请求详情：
"request": {
"method": "POST",
"url": "https://o.wpsgo.com/api/v3/office/file/961f65c9f12749e49fe66c55c83f7c5d/open/word",
"httpVersion": "http/2.0",
"headers": [
{
"name": ":authority",
"value": "o.wpsgo.com"
},
{
"name": ":method",
"value": "POST"
},
{
"name": ":path",
"value": "/api/v3/office/file/961f65c9f12749e49fe66c55c83f7c5d/open/word"
},
{
"name": ":scheme",
"value": "https"
},
{
"name": "accept",
"value": "*/*"
},
{
"name": "accept-encoding",
"value": "gzip, deflate, br"
},
{
"name": "accept-language",
"value": "zh-CN,zh;q=0.9,en;q=0.8"
},
{
"name": "content-length",
"value": "256"
},
{
"name": "content-type",
"value": "text/plain;charset=UTF-8"
},
{
"name": "cookie",
"value": "SX20230626WDOUIE_token=1"
},
{
"name": "dnt",
"value": "1"
},
{
"name": "origin",
"value": "https://o.wpsgo.com"
},
{
"name": "referer",
"value": "https://o.wpsgo.com/office/w/961f65c9f12749e49fe66c55c83f7c5d?_w_appid=SX20230626WDOUIE&_w_tokentype=1"
},
{
"name": "sec-ch-ua",
"value": "\"Not.A/Brand\";v=\"8\", \"Chromium\";v=\"114\", \"Google Chrome\";v=\"114\""
},
{
"name": "sec-ch-ua-mobile",
"value": "?0"
},
{
"name": "sec-ch-ua-platform",
"value": "\"Windows\""
},
{
"name": "sec-fetch-dest",
"value": "empty"
},
{
"name": "sec-fetch-mode",
"value": "cors"
},
{
"name": "sec-fetch-site",
"value": "same-origin"
},
{
"name": "user-agent",
"value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"
},
{
"name": "x-app-id",
"value": "SX20230626WDOUIE"
},
{
"name": "x-csrf-rand",
"value": "XtA4+DyRkubGs2lqWYFAos9L2lE332hIb9bkHyfwz9PQvorriwbCI1rG0kMHsJfawtB8/A78PyV4Nw5AeBNBs9RboMtn5QlxEemkOI0tkUIvlMW1WbWdvApDf4zFarCH4/4wnoOhQ8GluVN6mlRf2t0mQL4v"
},
{
"name": "x-user-query",
"value": "_w_appid=SX20230626WDOUIE&_w_tokentype=1"
},
{
"name": "x-user-token",
"value": "1"
}
],
"queryString": [],
"cookies": [
{
"name": "SX20230626WDOUIE_token",
"value": "1",
"path": "/",
"domain": ".o.wpsgo.com",
"expires": "2023-06-28T09:26:51.000Z",
"httpOnly": false,
"secure": true,
"sameSite": "None"
}
],
"headersSize": -1,
"bodySize": 256,
"postData": {
"mimeType": "text/plain;charset=UTF-8",
"text": "{\"connid\":\"6a7fbf32b81a3a342760e271b8dcb9b1\",\"args\":{\"password\":\"\",\"readonly\":false,\"modifyPassword\":\"\",\"sync\":true,\"startVersion\":0,\"endVersion\":0},\"ex_args\":{\"queryInitArgs\":{}},\"group\":\"20230419213749-36baf9ff1e\",\"front_ver\":\"20230324121601-fb1762365c\"}"
}
},
"response": {
"status": 500,
"statusText": "",
"httpVersion": "http/2.0",
"headers": [
{
"name": "access-control-allow-credentials",
"value": "true"
},
{
"name": "access-control-allow-headers",
"value": "accept, content-type, x-user-query, x-device-id, x-requested-with, x-csrftoken, accept-encoding, accept-language, x-csrf-rand, x-server-id, x-endpoint-id, x-app-id, EagleEye-TraceID, EagleEye-SessionID, EagleEye-pAppName, x-user-token, x-app-id, x-app-token"
},
{
"name": "access-control-allow-methods",
"value": "GET, POST, PUT, DELETE, OPTIONS"
},
{
"name": "access-control-allow-origin",
"value": "https://o.wpsgo.com"
},
{
"name": "access-control-expose-headers",
"value": "accept, content-type, x-user-query, x-device-id, x-requested-with, x-csrftoken, accept-encoding, accept-language, x-csrf-rand, x-server-id, x-endpoint-id, x-app-id, EagleEye-TraceID, EagleEye-SessionID, EagleEye-pAppName, x-user-token, x-app-id, x-app-token"
},
{
"name": "content-length",
"value": "62"
},
{
"name": "content-type",
"value": "application/json; charset=utf-8"
},
{
"name": "date",
"value": "Tue, 27 Jun 2023 09:28:09 GMT"
},
{
"name": "server",
"value": "elb"
},
{
"name": "x-group",
"value": "green"
},
{
"name": "x-klb",
"value": "2"
},
{
"name": "x-region",
"value": "wq"
},
{
"name": "x-request-id",
"value": "0cc4701c279543327627b3e1cdc61527"
}
],
"cookies": [],
"content": {
"size": 62,
"mimeType": "application/json"
},
"redirectURL": "",
"headersSize": -1,
"bodySize": -1,
"_transferSize": 763,
"_error": null
},
返回值：
{"errno":15055,"msg":"","reason":"","result":"DownloadFailed"}
后端服务使用的是 https://gitee.com/wpsweboffice/weboffice-provider-demo-java 示例，输出的日志显示请求成功：
2023-06-27 17:34:49.307 DEBUG 26308 --- [nio-8888-exec-5] o.s.web.servlet.DispatcherServlet : GET "/download/961f65c9f12749e49fe66c55c83f7c5d/1", parameters={}
2023-06-27 17:34:49.307 DEBUG 26308 --- [nio-8888-exec-5] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped to cn.wps.solution.demo.controller.ConsoleController#download(String, int)
2023-06-27 17:34:49.308 DEBUG 26308 --- [nio-8888-exec-5] m.m.a.RequestResponseBodyMethodProcessor : Using 'application/octet-stream', given [*/*] and supported [application/octet-stream]
2023-06-27 17:34:49.328 DEBUG 26308 --- [nio-8888-exec-5] m.m.a.RequestResponseBodyMethodProcessor : Writing [{-48, -49, 17, -32, -95, -79, 26, -31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 3, 0, (truncated)...]
2023-06-27 17:34:49.329 DEBUG 26308 --- [nio-8888-exec-5] o.s.web.servlet.DispatcherServlet : Completed 200 OK
请问怎么排查问题？
