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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-15883] Deadlock exceptions thrown during delete unsafe and skip documents</title>
                <link>https://jira.mongodb.org/browse/SERVER-15883</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Also may occur during update - haven&apos;t dug in.&lt;/p&gt;

&lt;p&gt;When a deadlock exception is thrown in the DeleteStage, the stage is not restored before reusing via DeleteStage::restoreStage - this can allow a primary stepdown to go undetected or undetected cursor invalidation and is generally undefined behavior.  Also, the DeleteStage does not store the working set member (WSM) when the problem occurs, so on resume the child stage will return the next member.&lt;/p&gt;</description>
                <environment></environment>
        <key id="166431">SERVER-15883</key>
            <summary>Deadlock exceptions thrown during delete unsafe and skip documents</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.mongodb.org/images/icons/priorities/blocker.svg">Blocker - P1</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="9">Done</resolution>
                                        <assignee username="greg_10gen">Greg Studer</assignee>
                                    <reporter username="greg_10gen">Greg Studer</reporter>
                        <labels>
                    </labels>
                <created>Thu, 30 Oct 2014 17:56:21 +0000</created>
                <updated>Wed, 10 Dec 2014 23:10:55 +0000</updated>
                            <resolved>Fri, 31 Oct 2014 20:43:15 +0000</resolved>
                                                                    <component>Concurrency</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="753867" author="greg_10gen" created="Fri, 31 Oct 2014 20:43:15 +0000"  >&lt;p&gt;There&apos;s more work needed with yielding and DeadlockExceptions, but this issue is no longer relevant given other changes.&lt;/p&gt;</comment>
                            <comment id="752770" author="greg_10gen" created="Thu, 30 Oct 2014 17:57:46 +0000"  >&lt;p&gt;Just raising this issue so it isn&apos;t lost - discovered during the general yield audit.  Working on some sort of a fix related to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15850&quot; title=&quot;DeadlockExceptions thrown during multi-writes may trigger stale configs&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15850&quot;&gt;&lt;del&gt;SERVER-15850&lt;/del&gt;&lt;/a&gt;, but this is a separate issue that is definitely a blocker.&lt;/p&gt;</comment>
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