<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> <dfn><code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">424</anchor></code></dfn> (<dfn><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">Failed Dependency</anchor></dfn>) は、
依存する他の処理が失敗したために実行できなかったことを表す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor>です。</p><section><h1>仕様書</h1><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-9.2">http://tools.ietf.org/html/rfc4918#section-9.2</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-9.6">http://tools.ietf.org/html/rfc4918#section-9.6</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[8]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-9.8">http://tools.ietf.org/html/rfc4918#section-9.8</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[9]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-9.9">http://tools.ietf.org/html/rfc4918#section-9.9</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[10]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-9.10">http://tools.ietf.org/html/rfc4918#section-9.10</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <strong><cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-11.4">http://tools.ietf.org/html/rfc4918#section-11.4</anchor-external></strong></li></ul></refs></section><section><h1>意味</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">424</anchor></code> は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>された動作が他の動作に依存しており、
その動作が失敗したために実行できなかったことを示す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor>です <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。</p></section><section><h1>文脈</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="12" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[12]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPPATCH</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に対する <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">207</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>内の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">status</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>では、
より前に実行された命令が失敗したことを表すために使うことができます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;6</anchor-internal>, <anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="7" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[7]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">DELETE</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor> <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;4</anchor-internal></src> や
<code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">COPY</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor> <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="8" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;8</anchor-internal></src> や
<code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">MOVE</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor> <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="9" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;9</anchor-internal></src> に対する <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">207</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>内の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">status</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>では使う<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきではありません</strong></anchor>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="11" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[11]</anchor-end> <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">LOCK</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>に対する <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">207</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>内の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">status</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>では、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">対象資源</anchor>以外の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>が原因で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>できないとき、
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">対象資源</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor>として <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">424</anchor></code>
を使うことができます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="10" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;10</anchor-internal></src>。</p></section><section><h1>歴史</h1><figure class="quote"><figcaption><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> RFC 2518 (WebDAV) 10.5 424 Failed Dependency</figcaption><blockquote><p>The 424 (Failed Dependency) status code means that the method could
not be performed on the resource because the requested action
depended on another action and that action failed.  For example, if a
command in a PROPPATCH method fails then, at minimum, the rest of the
commands will also fail with 424 (Failed Dependency).</p></blockquote><p><code class="HTTP">424</code> (依存性失敗) 状態符号は、要求された動作が他の動作に依存しており、その動作が失敗したためにその method
を実施できなかったことを意味します。例えば、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">PROPPATCH</anchor></code> method 中の命令の1つが失敗したとすると、
少なくても、命令の残りも失敗して <code class="HTTP">424</code>
(依存性失敗) になります。</p></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="13" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[13]</anchor-end> <cite xml:lang="en">RFC 4791 - Calendaring Extensions to WebDAV (CalDAV)</cite>
(<time>2017-09-24 16:22:36 +09:00</time>)
<anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="https://tools.ietf.org/html/rfc4791#section-5.3.1.1">https://tools.ietf.org/html/rfc4791#section-5.3.1.1</anchor-external></p></section></body></html>