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    <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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            <title>[SERVER-11860] removeUnneededJournalFiles assumes journal files exist, causing spurious warnings</title>
                <link>https://jira.mongodb.org/browse/SERVER-11860</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;For files that are eligible, dur::Journal::removeUnneededJournalFiles() calls removeOldJournalFile to recycle/remove the journal file.&lt;/p&gt;

&lt;p&gt;However, in the meantime, another thread may have already done this, via dropDatabase or fsyncLock, both of which call&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;syncDataAndTruncateJournal&lt;/li&gt;
	&lt;li&gt;journalCleanup&lt;/li&gt;
	&lt;li&gt;Journal::cleanup&lt;/li&gt;
	&lt;li&gt;removeJournalFiles&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;This causes removeOldJournalFile to spuriously complain about the missing journal file when it tries to rename/remove it, falsely suggesting that the journal file has been prematurely removed (either by mongod or by something else).&lt;/p&gt;

&lt;p&gt;A quick fix would be for removeOldJournalFile to simply check that the given path exists and short circuit return if not.  That will still leave a brief TOCTTOU race, so it might be better to figure out a real/more appropriate fix.&lt;/p&gt;</description>
                <environment></environment>
        <key id="99976">SERVER-11860</key>
            <summary>removeUnneededJournalFiles assumes journal files exist, causing spurious warnings</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="kevin.pulo@mongodb.com">Kevin Pulo</reporter>
                        <labels>
                            <label>journal</label>
                    </labels>
                <created>Tue, 26 Nov 2013 05:11:09 +0000</created>
                <updated>Tue, 6 Dec 2022 05:14:24 +0000</updated>
                            <resolved>Fri, 14 Sep 2018 20:07:15 +0000</resolved>
                                    <version>2.5.4</version>
                                                    <component>MMAPv1</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
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