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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-60006] Investigate throwing WriteConflictException on EBUSY in WiredTigerSession::getNewCursor</title>
                <link>https://jira.mongodb.org/browse/SERVER-60006</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When attempting to open a cursor on a WT table returns &lt;tt&gt;EBUSY&lt;/tt&gt;, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0bc8d6bd356392745764362465cfcbe836b9854a/src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp#L87-L92&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;currently we handle this by throwing a WriteConflictException&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The comment states that this can only occur on the oplog. However, as of lock-free reads, this can now occur for other collections as well.&lt;/p&gt;

&lt;p&gt;Additionally, this appears to be the only place where we convert &lt;tt&gt;EBUSY&lt;/tt&gt; to a &lt;tt&gt;WriteConflictException&lt;/tt&gt;. (Typically, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0bc8d6bd356392745764362465cfcbe836b9854a/src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp#L134-L136&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;WT_ROLLBACK&lt;/tt&gt; is converted to &lt;tt&gt;WriteConflictException&lt;/tt&gt;&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0bc8d6bd356392745764362465cfcbe836b9854a/src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp#L152-L154&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;EBUSY&lt;/tt&gt; is converted to &lt;tt&gt;ObjectIsBusy&lt;/tt&gt;&lt;/a&gt;.)&lt;/p&gt;

&lt;p&gt;We should update the comment to reflect the current state of things. Additionally, we should evaluate whether it still makes to use &lt;tt&gt;WriteConflictException&lt;/tt&gt; here, or whether &lt;tt&gt;ObjectIsBusy&lt;/tt&gt; should be used instead. If we stick with &lt;tt&gt;WriteConflictException&lt;/tt&gt;, we should document why doing so makes sense here.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1875674">SERVER-60006</key>
            <summary>Investigate throwing WriteConflictException on EBUSY in WiredTigerSession::getNewCursor</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="ian.boros@mongodb.com">Ian Boros</assignee>
                                    <reporter username="gregory.noma@mongodb.com">Gregory Noma</reporter>
                        <labels>
                    </labels>
                <created>Thu, 16 Sep 2021 00:03:35 +0000</created>
                <updated>Sun, 29 Oct 2023 21:48:34 +0000</updated>
                            <resolved>Wed, 29 Sep 2021 16:36:44 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4106532" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 17:27:32 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="4090274" author="xgen-internal-githook" created="Tue, 28 Sep 2021 19:47:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ian Boros&apos;, &apos;email&apos;: &apos;ian.boros@mongodb.com&apos;, &apos;username&apos;: &apos;borosaurus&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60006&quot; title=&quot;Investigate throwing WriteConflictException on EBUSY in WiredTigerSession::getNewCursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60006&quot;&gt;&lt;del&gt;SERVER-60006&lt;/del&gt;&lt;/a&gt; Update comment and error thrown when WT cursor open fails&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7b6276324267dc7261de886e9ff1f9eb90d8061b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7b6276324267dc7261de886e9ff1f9eb90d8061b&lt;/a&gt;&lt;/p&gt;</comment>
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                                                        </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="1881142">SERVER-60154</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1989038">SERVER-63945</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1989039">SERVER-63946</issuekey>
        </issuelink>
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