我正在尝试使用 Azure 中的 HTTP 逻辑应用程序调用 api
我可以通过邮递员使通话成功。查看我的邮递员配置
我可以看到来自邮递员的 http 代码,如下所示,我使用它来使逻辑应用程序的格式类似于邮递员的格式。
POST /dcma/rest/initiateOcrClassifyExtract HTTP/1.1
Host: godemo.ephesoft.com
Authorization: Basic NDU=??????
Cache-Control: no-cache
Postman-Token: 3baf23e7-6b46-a5f4-094b-3df1879bbe21
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="000001.pdf"; filename="000001.pdf"
Content-Type: application/pdf
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="batchClassIdentifier"
BC590
------WebKitFormBoundary7MA4YWxkTrZu0gW--
下面是实际的逻辑应用 http 配置。
服务器上的日志显示以下错误
2017-09-07 20:12:51,784 [ajp-apr-8009-exec-3] ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/dcma].[DispatcherServlet]- Servlet.service() for servlet [DispatcherServlet] in context with path [/dcma] threw exception [Request processing failed; nested exception is org.springframework.web.multipart.MultipartException: Could not parse multipart servlet request; nested exception is org.apache.commons.fileupload.FileUploadException: Header section has more than 10240 bytes (maybe it is not properly terminated)] with root cause
org.apache.commons.fileupload.MultipartStream$MalformedStreamException: Header section has more than 10240 bytes (maybe it is not properly terminated)
at org.apache.commons.fileupload.MultipartStream.readHeaders(MultipartStream.java:541)
at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.findNextItem(FileUploadBase.java:999)
at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.java:965)
at org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:331)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:351)
at org.apache.commons.fileupload.servlet.ServletFileUpload.parseRequest(ServletFileUpload.java:126)
at org.springframework.web.multipart.commons.CommonsMultipartResolver.parseRequest(CommonsMultipartResolver.java:158)
at org.springframework.web.multipart.commons.CommonsMultipartResolver.resolveMultipart(CommonsMultipartResolver.java:142)
at org.springframework.web.servlet.DispatcherServlet.checkMultipart(DispatcherServlet.java:1070)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:912)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.ephesoft.dcma.webapp.AuthenticationFilter.doFilter(AuthenticationFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.ephesoft.dcma.webapp.SessionTimeoutFilter.doFilter(SessionTimeoutFilter.java:43)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:230)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.ephesoft.dcma.webapp.HTTPHeaderFilter.doFilter(HTTPHeaderFilter.java:75)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
对于 multipart/form-data 现在官方文档中有一个示例:
https://learn.microsoft.com/bs-latn-ba/azure/connectors/connectors-native-http#content-with-multipartform-data-type
"body": {
"$content-type": "multipart/form-data",
"$multipart": [
{
"body": "<output-from-trigger-or-previous-action>",
"headers": {
"Content-Disposition": "form-data; name=file; filename=<file-name>"
}
}
]
}
如果还有其他表单字段要发送,只需添加具有正确表单字段名称的类似对象即可。
Content-Disposition 标头将需要转义引号name and filename如果您没有使用上一步中的 TriggerBody,请使用此字段。
"Content-Disposition": "form-data; name=\"file\"; filename=\"<file-name>\""
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