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Getting “411 Length Required” after a PUT request from HTTP Client

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I am working on a Java program that implements an HTTP Client. I test it sending requests to a server. GET, POST and DELETE requests work ok. For example after a POST request I get an output Data extracted: {"status":{"message":"ok"}} and the database reflects the changes made. After a PUT request, however I get the following html markup of a webpage indicating an error. Data extracted: <html> <head><title>411 Length Required</title></head> <body bgcolor="white"> <center><h1>411 Length Required</h1></center> <hr><center>nginx/1.2.6</center> </body> </html> and accordingly no changes in the

Getting “411 Length Required” after a PUT request from HTTP Client

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问题 I am working on a Java program that implements an HTTP Client. I test it sending requests to a server. GET, POST and DELETE requests work ok. For example after a POST request I get an output Data extracted: {"status":{"message":"ok"}} and the database reflects the changes made. After a PUT request, however I get the following html markup of a webpage indicating an error. Data extracted: <html> <head><title>411 Length Required</title></head> <body bgcolor="white"> <center><h1>411 Length

System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse

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I am getting the "System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse" error when calling to the "BeginGetResponse" method of the web request. This is my code: try { Stream dataStream = null; WebRequest Webrequest; Webrequest = WebRequest.Create(this.EndPointAddress); Webrequest.Credentials = new NetworkCredential(this.username, this.password); Webrequest.ContentType = "text/xml"; Webrequest.Method = WebRequestMethods.Http.Post; byteArray = System.Text.Encoding.UTF8.GetBytes(xmlRequest.Children[0].InnerXML);

What are the consequences of not including a content-length header in a server response?

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The RFC says the content-length header is optional ("..Applications SHOULD use this field..."). From what I can gather if its not included then the client will not know how much data to expect, therefore will not be able to show a determinate progress bar when downloading the body (i.e. the top bar instead of the bottom). Are there any other side effects or bugs that arise from omitting this header? I think your implicit question is "How does a client detect the end of an HTTP message?" . See RFC 7230 - HTTP/1.1 Message Syntax and Routing - Message Body Length : The length of a message body is

How to get the size of an InputStream? [duplicate]

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This question already has an answer here: Determine the size of an InputStream 10 answers I'm having an InputStream from a ProcessBuilder that acutally reads the stdout stream. Question: how can I know the size of that inmemory InputStream , so I can write it to a HttpResponse http header? InputStream is = process.getInputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); OutputStream out = response.getOutputStream(); int bytes; while ((bytes = br.read()) != -1) { out.write(bytes); } //how can I know the size of the inmemory stream/file

System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse

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问题 I am getting the "System.Net.ProtocolViolationException: You must write ContentLength bytes to the request stream before calling [Begin]GetResponse" error when calling to the "BeginGetResponse" method of the web request. This is my code: try { Stream dataStream = null; WebRequest Webrequest; Webrequest = WebRequest.Create(this.EndPointAddress); Webrequest.Credentials = new NetworkCredential(this.username, this.password); Webrequest.ContentType = "text/xml"; Webrequest.Method =

What are the consequences of not including a content-length header in a server response?

阅读更多关于 What are the consequences of not including a content-length header in a server response?

问题 The RFC says the content-length header is optional ("..Applications SHOULD use this field..."). From what I can gather if its not included then the client will not know how much data to expect, therefore will not be able to show a determinate progress bar when downloading the body (i.e. the top bar instead of the bottom). Are there any other side effects or bugs that arise from omitting this header? 回答1: I think your implicit question is "How does a client detect the end of an HTTP message?"

How is an HTTP multipart “Content-length” header value calculated?

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问题 I've read conflicting and somewhat ambiguous replies to the question "How is a multipart HTTP request content length calculated?". Specifically I wonder: What is the precise content range for which the "Content-length" header is calculated? Are CRLF ("\r\n") octet sequences counted as one or two octets? Can someone provide a clear example to answer these questions? 回答1: The following live example should hopefully answer the questions. Perform multipart request with Google's OAuth 2.0

How is an HTTP multipart “Content-length” header value calculated?

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I've read conflicting and somewhat ambiguous replies to the question "How is a multipart HTTP request content length calculated?". Specifically I wonder: What is the precise content range for which the "Content-length" header is calculated? Are CRLF ("\r\n") octet sequences counted as one or two octets? Can someone provide a clear example to answer these questions? The following live example should hopefully answer the questions. Perform multipart request with Google's OAuth 2.0 Playground Google's OAuth 2.0 Playground web page is an excellent way to perform a multipart HTTP request against

Content-Length header always zero

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I set a header in the following way: header('Content-Length: ' . filesize($strPath)); On my PC with ZendServer it works fine and I can download a file with the correct file size. On the production server, a Solaris with Apache and compiled PHP, I get a file with the file size equal to zero, so an empty file. Is there a config parameter? Something that can prevent to set 'Content-Length: 1222'? Thanks. The code: <?php error_reporting(E_ALL); ini_set('display_errors', '1'); require 'includes/prepend.inc.php'; require __ADMIN_DIR__.'/AdminInfo.php'; $intFile = QApplication::QueryString('fileID');

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