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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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-42338] transaction_coordinator_test can self deadlock</title>
                <link>https://jira.mongodb.org/browse/SERVER-42338</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;when hang failpoint is enabled and when promiseFuture decides to run the future callback inline (which include the hang failpont) inside runCommit&lt;/p&gt;</description>
                <environment></environment>
        <key id="870450">SERVER-42338</key>
            <summary>transaction_coordinator_test can self deadlock</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="randolph@mongodb.com">Randolph Tan</assignee>
                                    <reporter username="randolph@mongodb.com">Randolph Tan</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Mon, 22 Jul 2019 20:41:57 +0000</created>
                <updated>Sun, 29 Oct 2023 22:18:54 +0000</updated>
                            <resolved>Wed, 31 Jul 2019 21:03:31 +0000</resolved>
                                                    <fixVersion>4.2.1</fixVersion>
                    <fixVersion>4.3.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2371099" author="xgen-internal-githook" created="Wed, 14 Aug 2019 17:51:05 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;renctan&apos;, &apos;email&apos;: &apos;randolph@10gen.com&apos;, &apos;name&apos;: &apos;Randolph Tan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42338&quot; title=&quot;transaction_coordinator_test can self deadlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42338&quot;&gt;&lt;del&gt;SERVER-42338&lt;/del&gt;&lt;/a&gt; Make the hang failpoint callback always ran on the executor thread&lt;/p&gt;

&lt;p&gt;(cherry picked from commit f083be87fa096353b004e3f4ddd0503b77f7ef06)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5706e608e514786deaae3f4fa7916fc7e6371dfe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5706e608e514786deaae3f4fa7916fc7e6371dfe&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2353141" author="xgen-internal-githook" created="Wed, 31 Jul 2019 21:02:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Randolph Tan&apos;, &apos;email&apos;: &apos;randolph@10gen.com&apos;, &apos;username&apos;: &apos;renctan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-42338&quot; title=&quot;transaction_coordinator_test can self deadlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-42338&quot;&gt;&lt;del&gt;SERVER-42338&lt;/del&gt;&lt;/a&gt; Make the hang failpoint callback always ran on the executor thread&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f083be87fa096353b004e3f4ddd0503b77f7ef06&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f083be87fa096353b004e3f4ddd0503b77f7ef06&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2337549" author="renctan" created="Mon, 22 Jul 2019 20:53:43 +0000"  >&lt;p&gt;I think we might be able to fix this by calling thenRunOn instead of then &lt;a href=&quot;https://github.com/mongodb/mongo/blob/ff82d37ddc23305230a395077a9b12c2ef080636/src/mongo/db/s/transaction_coordinator.cpp#L144&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; so it will not be executed inline.&lt;/p&gt;</comment>
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