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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-38953] Missing early return in merge_chunks_command.cpp</title>
                <link>https://jira.mongodb.org/browse/SERVER-38953</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;To commit a mergeChunk, the shard merging the chunks sends &lt;tt&gt;_configsvrMergeChunkCommit&lt;/tt&gt; to the CSRS, which atomically updates the chunks collection. If the response to this request is lost, the shard will retry, but may receive an error if the first attempt finished successfully. Because of this, the shard &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2f67f3c662/src/mongo/db/s/merge_chunks_command.cpp#L241-L252&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;checks if the metadata was updated after getting a failed response&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Currently the shard logs a message in this case and will still throw with the failed response, but before the refactor in &lt;a href=&quot;https://github.com/mongodb/mongo/commit/dcf7e0dd89d34f58b592f1adb3d41e5edd6e2012#diff-8a1aaca03f98fad665a52f68881a5113L289&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this commit&lt;/a&gt; for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32198&quot; title=&quot;Missing collection metadata on the shard implies both UNSHARDED and &amp;quot;metadata not loaded yet&amp;quot;&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32198&quot;&gt;&lt;del&gt;SERVER-32198&lt;/del&gt;&lt;/a&gt;, it returned Status::OK(). This change in behavior was likely unintentional and can be fixed by returning Status::OK() &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2f67f3c662/src/mongo/db/s/merge_chunks_command.cpp#L251&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="670464">SERVER-38953</key>
            <summary>Missing early return in merge_chunks_command.cpp</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="13201">Fixed</resolution>
                                        <assignee username="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="jack.mulrow@mongodb.com">Jack Mulrow</reporter>
                        <labels>
                    </labels>
                <created>Fri, 11 Jan 2019 19:06:47 +0000</created>
                <updated>Sun, 29 Oct 2023 22:25:12 +0000</updated>
                            <resolved>Mon, 14 Jan 2019 15:29:59 +0000</resolved>
                                                    <fixVersion>4.1.7</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2114075" author="xgen-internal-githook" created="Mon, 14 Jan 2019 15:29:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;jsmulrow&apos;, &apos;email&apos;: &apos;jack.mulrow@mongodb.com&apos;, &apos;name&apos;: &apos;Jack Mulrow&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38953&quot; title=&quot;Missing early return in merge_chunks_command.cpp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38953&quot;&gt;&lt;del&gt;SERVER-38953&lt;/del&gt;&lt;/a&gt; Add missing early return in merge_chunks_command.cpp&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/18c4eaee719779f709e965b7e9fa039ee18a746c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/18c4eaee719779f709e965b7e9fa039ee18a746c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2112763" author="kaloian.manassiev" created="Fri, 11 Jan 2019 19:32:50 +0000"  >&lt;p&gt;Just fix it - it&apos;s 1 line change &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
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            <issuekey id="469026">SERVER-32198</issuekey>
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