未在Jersey客户请求中设置Content-Length-Header [英] Content-Length-Header not set in Jersey Client request

问题描述

我正在使用Jersey客户端访问Web服务，如下所示:
response = r.accept(MediaType.TEXT_PLAIN_TYPE).header("content-length", 0).post(String.class);
其中r是WebResource

I'm using Jersey Client to access a webservice, like this:
response = r.accept(MediaType.TEXT_PLAIN_TYPE).header("content-length", 0).post(String.class);
where r is a WebResource

但是，Web服务返回411-缺少内容长度.

However, the Webservice returns 411 - Content-Length is missing.

使用tcpdump，我发现我可以指定自定义标头，即.header("myheader", 0)可以正常工作.

using tcpdump, i found out that i am able to specify custom headers, i.e. .header("myheader", 0) works fine.

因此，出于某些原因，球衣似乎正在删除content-length标头.

So it seems that jersey is deleting the content-length header for some reasons.

有人有什么主意吗?

推荐答案

呼叫的内容长度由Jersey Client计算，无法设置. 保罗·桑德兹(Paul Sandoz)(该项目的著名提交者)已回答一个类似的问题:

The content length of a call is computed by Jersey Client, it cannot be set. Paul Sandoz — a well known commiter on the project — have answered a similar question:

问:，我认为内容长度" 标头不是自动设置的.

Q: I think that "Content-Length" header is not being set automatically.

A:泽西岛运行时[...] 确定内容的长度.

A: The Jersey runtime [...] determine the length of content.

如果您需要更多信息，请解释一下将字符串发布到具有空大小的资源中期望得到什么结果.

If you need further informations, please explain what result did you expect from POSTing a String to a Resource with an empty size.

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