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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-65184] Avoid concurrent election and stepdown in downgrade_default_write_concern_majority.js</title>
                <link>https://jira.mongodb.org/browse/SERVER-65184</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As part of &lt;a href=&quot;https://github.com/10gen/mongo/blob/1cc143da4077560d714d99471b8006c0dec5f66a/jstests/multiVersion/downgrade_default_write_concern_majority.js#L77&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;downgrading the cluster&lt;/a&gt;, we &lt;a href=&quot;https://github.com/10gen/mongo/blob/1cc143da4077560d714d99471b8006c0dec5f66a/jstests/multiVersion/libs/multi_cluster.js#L47&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;stop the config server mongod&lt;/a&gt;. Part of the process includes &lt;a href=&quot;https://github.com/10gen/mongo/blob/1cc143da4077560d714d99471b8006c0dec5f66a/jstests/libs/override_methods/validate_collections_on_shutdown.js#L67&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;stepping down the node&lt;/a&gt;&#160;before collection validation. However, there is a concurrent election that happens during stepdown. This causes the killOp thread to kill the stepDown with InterrupedDueToReplStateChange:&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;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 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;[js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.425+00:00 I ELECTION 21450 [ReplCoord-9] &quot;Election succeeded, assuming primary role&quot;,&quot;attr&quot;:&lt;/span&gt;&lt;/pre&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 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;[js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.425+00:00 I REPL 21358 [ReplCoord-9] &quot;Replica set state transition&quot;,&quot;attr&quot;:&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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;...&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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; [js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.456+00:00 I COMMAND 21579 [conn94] &quot;Attempting to step down in response to replSetStepDown command&quot;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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; ...&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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; [js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.487+00:00 I REPL 21343 [RstlKillOpThread] &quot;Starting to kill user operations&quot;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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; [js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.490+00:00 I REPL 21344 [RstlKillOpThread] &quot;Stopped killing user operations&quot;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 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; [js_test:downgrade_default_write_concern_majority] c20781| 2022-03-28T15:18:37.490+00:00 I REPL 21340 [RstlKillOpThread] &quot;State transition ops metrics&quot;,&quot;attr&quot;:\\{&quot;metrics&quot;:{&quot;lastStateTransition&quot;:&quot;stepUp&quot;,&quot;userOpsKilled&quot;:1,&quot;userOpsRunning&quot;:4}}&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;

&lt;p&gt;One way to fix this is to either set the cluster secondaries to votes: 0 since we don&apos;t expect to test election behavior in this test. An alternative is to add InterruptedDueToReplStateChange &lt;a href=&quot;https://github.com/10gen/mongo/blob/1cc143da4077560d714d99471b8006c0dec5f66a/jstests/libs/override_methods/validate_collections_on_shutdown.js#L87&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/1cc143da4077560d714d99471b8006c0dec5f66a/jstests/libs/override_methods/validate_collections_on_shutdown.js#L87&lt;/a&gt; of validate_collections_in_stepdown.js&lt;/p&gt;</description>
                <environment></environment>
        <key id="2014390">SERVER-65184</key>
            <summary>Avoid concurrent election and stepdown in downgrade_default_write_concern_majority.js</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="jason.chan@mongodb.com">Jason Chan</assignee>
                                    <reporter username="jason.chan@mongodb.com">Jason Chan</reporter>
                        <labels>
                    </labels>
                <created>Fri, 1 Apr 2022 17:28:41 +0000</created>
                <updated>Sun, 29 Oct 2023 21:40:08 +0000</updated>
                            <resolved>Thu, 21 Apr 2022 19:59:58 +0000</resolved>
                                                    <fixVersion>5.0.9</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4498210" author="xgen-internal-githook" created="Thu, 21 Apr 2022 19:53:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jason Chan&apos;, &apos;email&apos;: &apos;jason.chan@mongodb.com&apos;, &apos;username&apos;: &apos;jasonjhchan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65184&quot; title=&quot;Avoid concurrent election and stepdown in downgrade_default_write_concern_majority.js&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65184&quot;&gt;&lt;del&gt;SERVER-65184&lt;/del&gt;&lt;/a&gt; Avoid concurrent election and stepdown in downgrade_default_write_concern_majority.js&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5c94c99848074252570baa36a0d5b21a7493143c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5c94c99848074252570baa36a0d5b21a7493143c&lt;/a&gt;&lt;/p&gt;</comment>
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