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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-62682] PrimaryOnlyService Does Not Call _rebuildCV.notify_all() leading to calls to waitForConditionOrInterrupt not being triggered</title>
                <link>https://jira.mongodb.org/browse/SERVER-62682</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Since PrimaryOnlyService does not adhere to the contract of notifying the users of the condition variable whenever the underlying _state variable changes, its possible for its users such as lookUpInstance to end up &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/repl/primary_only_service.cpp#L550-L551&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting forever on the condition or interrupt&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;For instance on step down, the function updates the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da6685f2648051ce806ad700d31787a1f365cfdc/src/mongo/db/repl/primary_only_service.cpp#L442-L445&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_state to kPaused but does not notify the condition variable&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Adding a &lt;b&gt;_rebuildCV.notify_all()&lt;/b&gt; after every update to _state should fix this issue.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1964638">SERVER-62682</key>
            <summary>PrimaryOnlyService Does Not Call _rebuildCV.notify_all() leading to calls to waitForConditionOrInterrupt not being triggered</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="luis.osta@mongodb.com">Luis Osta</assignee>
                                    <reporter username="luis.osta@mongodb.com">Luis Osta</reporter>
                        <labels>
                            <label>sharding-nyc-subteam1</label>
                    </labels>
                <created>Fri, 14 Jan 2022 23:22:55 +0000</created>
                <updated>Sun, 29 Oct 2023 21:44:02 +0000</updated>
                            <resolved>Wed, 26 Jan 2022 14:07:44 +0000</resolved>
                                                    <fixVersion>5.3.0</fixVersion>
                    <fixVersion>5.2.1</fixVersion>
                    <fixVersion>5.0.7</fixVersion>
                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4316590" author="xgen-internal-githook" created="Wed, 26 Jan 2022 20:28:08 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Luis Osta&apos;, &apos;email&apos;: &apos;luis.osta@mongodb.com&apos;, &apos;username&apos;: &apos;LuisOsta&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62682&quot; title=&quot;PrimaryOnlyService Does Not Call _rebuildCV.notify_all() leading to calls to waitForConditionOrInterrupt not being triggered&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62682&quot;&gt;&lt;del&gt;SERVER-62682&lt;/del&gt;&lt;/a&gt; Add _rebuildCV.notify_all() after all mutations to _state&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fd6fb9e6a49955828c12355e33edf8b328e44a43)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f27135ef2b94b67806614cea3e72216187897e7e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f27135ef2b94b67806614cea3e72216187897e7e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4316462" author="xgen-internal-githook" created="Wed, 26 Jan 2022 19:35:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Luis Osta&apos;, &apos;email&apos;: &apos;luis.osta@mongodb.com&apos;, &apos;username&apos;: &apos;LuisOsta&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62682&quot; title=&quot;PrimaryOnlyService Does Not Call _rebuildCV.notify_all() leading to calls to waitForConditionOrInterrupt not being triggered&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62682&quot;&gt;&lt;del&gt;SERVER-62682&lt;/del&gt;&lt;/a&gt; Add _rebuildCV.notify_all() after all mutations to _state&lt;/p&gt;

&lt;p&gt;(cherry picked from commit fd6fb9e6a49955828c12355e33edf8b328e44a43)&lt;br/&gt;
Branch: v5.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9896465dce171454a8311294d6485f4e5408449d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9896465dce171454a8311294d6485f4e5408449d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4315208" author="xgen-internal-githook" created="Wed, 26 Jan 2022 14:06:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Luis Osta&apos;, &apos;email&apos;: &apos;luis.osta@mongodb.com&apos;, &apos;username&apos;: &apos;LuisOsta&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-62682&quot; title=&quot;PrimaryOnlyService Does Not Call _rebuildCV.notify_all() leading to calls to waitForConditionOrInterrupt not being triggered&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-62682&quot;&gt;&lt;del&gt;SERVER-62682&lt;/del&gt;&lt;/a&gt; Add _rebuildCV.notify_all() after all mutations to _state&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fd6fb9e6a49955828c12355e33edf8b328e44a43&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fd6fb9e6a49955828c12355e33edf8b328e44a43&lt;/a&gt;&lt;/p&gt;</comment>
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