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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-38355] WiredTigerRecoveryUnit::_txnOpen() should abort while commit/rollback handlers are running</title>
                <link>https://jira.mongodb.org/browse/SERVER-38355</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, we hit this &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6aee0c4dc67fc4adaa3af60948349de2512d8bc8/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.cpp#L137&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invariant&lt;/a&gt;  in WiredTigerRecoveryUnit if a rollback handler accidentally reopens the transaction. This invariant is triggered after all the rollback handlers have run, making it hard to identify the errant handler. As a rule, commit and rollback handlers should avoid accessing the OperationContext and RecoveryUnit.&lt;/p&gt;

&lt;p&gt;It would be useful for debugging to abort at the point where the rollback/commit handler is attempting to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6aee0c4dc67fc4adaa3af60948349de2512d8bc8/src/mongo/db/storage/wiredtiger/wiredtiger_recovery_unit.cpp#L337&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;reopen the transaction&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="641709">SERVER-38355</key>
            <summary>WiredTigerRecoveryUnit::_txnOpen() should abort while commit/rollback handlers are running</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                    </labels>
                <created>Sun, 2 Dec 2018 16:38:15 +0000</created>
                <updated>Sun, 29 Oct 2023 22:26:10 +0000</updated>
                            <resolved>Tue, 4 Dec 2018 21:31:30 +0000</resolved>
                                                    <fixVersion>4.1.7</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2080479" author="xgen-internal-githook" created="Tue, 4 Dec 2018 21:30:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38355&quot; title=&quot;WiredTigerRecoveryUnit::_txnOpen() should abort while commit/rollback handlers are running&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38355&quot;&gt;&lt;del&gt;SERVER-38355&lt;/del&gt;&lt;/a&gt; add invariant for commit and rollback handlers reopening the WT transaction&lt;/p&gt;

&lt;p&gt;The invariant is added to WiredTigerRecoveryUnit::_txnOpen().&lt;br/&gt;
This commit also adds WiredTigerRecoveryUnit::State which replaces _active and _inUnitOfWork.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4c5d05f9bb8457a389cb02d43f9d59aabbfec82c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4c5d05f9bb8457a389cb02d43f9d59aabbfec82c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2080415" author="xgen-internal-githook" created="Tue, 4 Dec 2018 20:57:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38355&quot; title=&quot;WiredTigerRecoveryUnit::_txnOpen() should abort while commit/rollback handlers are running&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38355&quot;&gt;&lt;del&gt;SERVER-38355&lt;/del&gt;&lt;/a&gt; invariant message for reopening WT transaction in recovery unit during commit/rollback&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/476554eafc1860bdd9996bd4eddb954a9218bdeb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/476554eafc1860bdd9996bd4eddb954a9218bdeb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2080414" author="xgen-internal-githook" created="Tue, 4 Dec 2018 20:56:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38355&quot; title=&quot;WiredTigerRecoveryUnit::_txnOpen() should abort while commit/rollback handlers are running&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38355&quot;&gt;&lt;del&gt;SERVER-38355&lt;/del&gt;&lt;/a&gt; remove WiredTigerRecoveryUnit::_areWriteUnitOfWorksBanned&lt;/p&gt;

&lt;p&gt;This member variable was last referenced in commit 8257a817bfaf596e68204ad858f811e294d986b5.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/74bea0ed6c5ac492b44145d79704f504a351c7e7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/74bea0ed6c5ac492b44145d79704f504a351c7e7&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="643044">SERVER-38397</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="631926">SERVER-38069</issuekey>
        </issuelink>
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