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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-32106] Migration of txn oplog entries can trigger fassert in secondary replication</title>
                <link>https://jira.mongodb.org/browse/SERVER-32106</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;During migration, oplog entries generated by transactions are converted to type &apos;n&apos; no-op entries and sent to the destination side. These new oplog entries also retain the original fields, like &apos;ns&apos; and &apos;uuid&apos;. If the collection with the same name is drop and re-sharded, the secondaries will trigger an fassert when processing this type &apos;n&apos; entries because the uuid no longer exists.&lt;/p&gt;

&lt;p&gt;Example log in secondary:&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;
		&lt;tbody &gt;
				&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-top: 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;Fatal assertion 16359 NamespaceNotFound: Failed to apply operation due to missing collection (32c50ae4-cec3-4f80-b70a-d1a60a74835c): ...&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="464827">SERVER-32106</key>
            <summary>Migration of txn oplog entries can trigger fassert in secondary replication</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>SWNA</label>
                    </labels>
                <created>Tue, 28 Nov 2017 19:23:42 +0000</created>
                <updated>Mon, 30 Oct 2023 23:10:18 +0000</updated>
                            <resolved>Thu, 30 Nov 2017 16:11:19 +0000</resolved>
                                    <version>3.6.0-rc6</version>
                                    <fixVersion>3.6.1</fixVersion>
                    <fixVersion>3.7.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1755838" author="xgen-internal-githook" created="Tue, 19 Dec 2017 17:16:10 +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-32106&quot; title=&quot;Migration of txn oplog entries can trigger fassert in secondary replication&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32106&quot;&gt;&lt;del&gt;SERVER-32106&lt;/del&gt;&lt;/a&gt; Don&apos;t lookup collection from catalog when applying optype &apos;n&apos; oplog entries in secondaries&lt;/p&gt;

&lt;p&gt;(cherry picked from commit dbb028ac3b40a4fcfd9502402aec729f26004fbe)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bfa801da7c4031fd6711fccc5b4916d310fa4ff0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bfa801da7c4031fd6711fccc5b4916d310fa4ff0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1738380" author="xgen-internal-githook" created="Thu, 30 Nov 2017 15:24:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Randolph Tan&apos;, &apos;username&apos;: &apos;renctan&apos;, &apos;email&apos;: &apos;randolph@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32106&quot; title=&quot;Migration of txn oplog entries can trigger fassert in secondary replication&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32106&quot;&gt;&lt;del&gt;SERVER-32106&lt;/del&gt;&lt;/a&gt; Don&apos;t lookup collection from catalog when applying optype &apos;n&apos; oplog entries in secondaries&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/dbb028ac3b40a4fcfd9502402aec729f26004fbe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/dbb028ac3b40a4fcfd9502402aec729f26004fbe&lt;/a&gt;&lt;/p&gt;</comment>
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                            <attachment id="171840" name="test.js" size="1110" author="randolph@mongodb.com" created="Tue, 28 Nov 2017 19:24:08 +0000"/>
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