Azure的CloudBlob SetMetadata失败＆QUOT;指定的元数据是无效的。它有不允许的字符＆QUOT。 [英] Azure CloudBlob SetMetadata fails with "The metadata specified is invalid. It has characters that are not permitted."

问题描述

我是pretty知道这是在Windows Azure SDK的限制（使用最新的1.4），但一定是解决​​的办法，而无需使用人工REST ...

I'm pretty sure this is a limitation of the Windows Azure SDK (Using the latest, 1.4), but there has got to be a way around this without using manual REST...

在code：

CloudBlob blob = container.GetBlobReference(url); // works
blob.UploadByteArray(bytes); // works
blob.Metadata["test"] = "public, max-age=259200"; // works
// FAILS with "The metadata specified is invalid. It has characters that are not permitted."
blob.Metadata["x-ms-blob-cache-control"] = "public, max-age=259200";
blob.SetMetadata(); // FAILS due to the 2nd meta data

这是pretty从我的测试中明确指出，客户端吹起来，由于这些破折号 - ，但我想不出解决这个办法。设置缓存控制是非常重要的，常见的操作，这令我感到困惑，为什么我找不到其他任何人对这个问题的报告。

It's pretty clear from my tests that the client is blowing up due to these dashes '-', but I cannot think of any way around this. Setting cache control is very important, and common operation, which baffles me as to why I cannot find anyone else reporting on this problem.

我也试过的数据，这在技术上不应该是必要的编码，但绝望的我就是这么做的。想法？

I've also tried encoding the data, which technically shouldn't be necessary, but out of desperation I did it anyway. Ideas?

推荐答案

它结束了一个愚蠢的SDK的限制毕竟还有是轮流设置为你具体的元数据...我不特定属性考虑到这一点属性作为帮手，但我看不出有任何理由直接设置应元无法正常工作。

It ended up being a silly SDK limitation after all, there is a specific property which in turns sets that specific meta data for you... I don't mind having this property as a helper, but I see no reason why setting the meta directly shouldn't work.

blob.Properties.CacheControl = "public, max-age=259200";
blob.UploadByteArray(bytes);

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