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    <description>This file is an XML representation of an issue</description>
    <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-34508] Prevent race condition in Migration Destination Manager from swallowing an exception</title>
                <link>https://jira.mongodb.org/browse/SERVER-34508</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;A triggerable race condition exists in the Migration Destination Manager&apos;s use of the producer-consumer queue. Upon throwing from inside the insert batch function, both of these will happen:&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;The inserter thread will kill the operation with the insert batch function&apos;s exception.&lt;/li&gt;
	&lt;li&gt;The guard on the inserter thread will close the consumer end of the queue.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;If the main thread is currently fetching another batch from remote, it will try to push the batch to the queue before checking for an operation context interrupt. The queue will throw back its own exception, `ProducerConsumerQueueEndClosed`. The queue&apos;s exception will be the exception returned to the client. This results in the wrong error code returned.&lt;/p&gt;

&lt;p&gt;This can be fixed by adding another checkForInterrupt in between the fetch batch function and the push to the queue, in case this race condition is triggered.&lt;/p&gt;</description>
                <environment></environment>
        <key id="528888">SERVER-34508</key>
            <summary>Prevent race condition in Migration Destination Manager from swallowing an exception</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="blake.oler@mongodb.com">Blake Oler</assignee>
                                    <reporter username="blake.oler@mongodb.com">Blake Oler</reporter>
                        <labels>
                    </labels>
                <created>Mon, 16 Apr 2018 21:41:50 +0000</created>
                <updated>Sun, 29 Oct 2023 22:32:39 +0000</updated>
                            <resolved>Wed, 18 Apr 2018 00:14:35 +0000</resolved>
                                    <version>3.4.14</version>
                    <version>3.6.4</version>
                    <version>3.7.3</version>
                                    <fixVersion>3.4.15</fixVersion>
                    <fixVersion>3.6.5</fixVersion>
                    <fixVersion>3.7.6</fixVersion>
                    <fixVersion>4.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1867110" author="xgen-internal-githook" created="Tue, 17 Apr 2018 23:33:27 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Blake Oler&apos;, &apos;email&apos;: &apos;blake.oler@mongodb.com&apos;, &apos;username&apos;: &apos;BlakeIsBlake&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34508&quot; title=&quot;Prevent race condition in Migration Destination Manager from swallowing an exception&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34508&quot;&gt;&lt;del&gt;SERVER-34508&lt;/del&gt;&lt;/a&gt; Prevent race condition in Migration Destination Manager from swallowing an exception&lt;/p&gt;

&lt;p&gt;(cherry-picked from commit a8d13f8329478996e315f390089039f7b7a29ab8)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/eef95e921c97c8809bccf439e179a7df5e0859d4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/eef95e921c97c8809bccf439e179a7df5e0859d4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1867104" author="xgen-internal-githook" created="Tue, 17 Apr 2018 23:23:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Blake Oler&apos;, &apos;email&apos;: &apos;blake.oler@mongodb.com&apos;, &apos;username&apos;: &apos;BlakeIsBlake&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34508&quot; title=&quot;Prevent race condition in Migration Destination Manager from swallowing an exception&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34508&quot;&gt;&lt;del&gt;SERVER-34508&lt;/del&gt;&lt;/a&gt; Prevent race condition in Migration Destination Manager from swallowing an exception&lt;/p&gt;

&lt;p&gt;(cherry-picked from commit a8d13f8329478996e315f390089039f7b7a29ab8)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/694b8966c8e24c20a6a11b35c0ebdb79b699b778&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/694b8966c8e24c20a6a11b35c0ebdb79b699b778&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1866850" author="xgen-internal-githook" created="Tue, 17 Apr 2018 19:49:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Blake Oler&apos;, &apos;email&apos;: &apos;blake.oler@mongodb.com&apos;, &apos;username&apos;: &apos;BlakeIsBlake&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34508&quot; title=&quot;Prevent race condition in Migration Destination Manager from swallowing an exception&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34508&quot;&gt;&lt;del&gt;SERVER-34508&lt;/del&gt;&lt;/a&gt; Prevent race condition in Migration Destination Manager from swallowing an exception&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a8d13f8329478996e315f390089039f7b7a29ab8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a8d13f8329478996e315f390089039f7b7a29ab8&lt;/a&gt;&lt;/p&gt;</comment>
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