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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-50627] Handle nested shard key fields in ShardVersionMap construction</title>
                <link>https://jira.mongodb.org/browse/SERVER-50627</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Shard keys containing dotted fields are not properly handled when &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cb536486fa6500fa2c9ea03529aec7371a97f22d/src/mongo/s/chunk_manager.cpp#L183-L184&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;constructing the ShardVersionMap&lt;/a&gt;: the &lt;span class=&quot;error&quot;&gt;&amp;#91;Min|Max&amp;#93;&lt;/span&gt;Key &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cb536486fa6500fa2c9ea03529aec7371a97f22d/src/mongo/s/chunk_manager.cpp#L52-L59&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;check function&lt;/a&gt; is only expecting a non-nested object potentially leading to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cb536486fa6500fa2c9ea03529aec7371a97f22d/src/mongo/s/chunk_manager.cpp#L62-L64&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ConflictingOperationError&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;That&apos;s an example of error raised following &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e213ad984d8f72560ab14bb63c0c7dbdb9cc4efa/jstests/sharding/refine_collection_shard_key_basic.js#L488-L489&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;a refine shard key&lt;/a&gt; with nested fields:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;error&quot;:&quot;ConflictingOperationInProgress: Not all elements of { a: MinKey, b: { c: MinKey } } are of type minKey&quot;&lt;/span&gt;&lt;/pre&gt;
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                <environment></environment>
        <key id="1456175">SERVER-50627</key>
            <summary>Handle nested shard key fields in ShardVersionMap construction</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13202">Works as Designed</resolution>
                                        <assignee username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Fri, 28 Aug 2020 19:53:36 +0000</created>
                <updated>Fri, 27 Oct 2023 13:52:40 +0000</updated>
                            <resolved>Fri, 4 Sep 2020 07:32:28 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3375809" author="pierlauro.sciarelli" created="Thu, 3 Sep 2020 22:54:30 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50750&quot; title=&quot;Refining shard key to include nested field causes &amp;quot;Error refreshing cached collection&amp;quot; on shard primaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50750&quot;&gt;&lt;del&gt;SERVER-50750&lt;/del&gt;&lt;/a&gt; addresses a bug in the way refine shard key generates the new Min and Max keys and will solve the problem. Closing as &quot;Works as Designed&quot;.&lt;/p&gt;</comment>
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            <issuekey id="1451493">SERVER-50507</issuekey>
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            <issuekey id="1462110">SERVER-50750</issuekey>
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