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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-8420] GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()</title>
                <link>https://jira.mongodb.org/browse/SERVER-8420</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If a ClientCursor is dropped between batches (or during a batch because of an exception like kill op) the DBClientCursor for this ClientCursor will become &quot;isDead()&quot;.  If the DBClientCursor &apos;cursor&apos; held by an OplogReader is dead, OplogReader::haveCursor() still returns true.  In order to detect cursors, OplogReader::tailCheck() must be called.  GhostSync::percolate() should call OplogReader::tailCheck() before using an old cursor in its oplog reader.  Otherwise, percolate() may repeatedly attempt to read from a dead cursor and fail to see any results.&lt;/p&gt;</description>
                <environment></environment>
        <key id="63850">SERVER-8420</key>
            <summary>GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="milkie@mongodb.com">Eric Milkie</assignee>
                                    <reporter username="aaron">Aaron Staple</reporter>
                        <labels>
                    </labels>
                <created>Thu, 31 Jan 2013 00:09:42 +0000</created>
                <updated>Mon, 11 Jul 2016 17:58:06 +0000</updated>
                            <resolved>Mon, 8 Apr 2013 16:44:43 +0000</resolved>
                                                    <fixVersion>2.2.5</fixVersion>
                    <fixVersion>2.4.3</fixVersion>
                    <fixVersion>2.5.0</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="350317" author="auto" created="Fri, 31 May 2013 23:46:42 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;milkie&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8420&quot; title=&quot;GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8420&quot;&gt;&lt;del&gt;SERVER-8420&lt;/del&gt;&lt;/a&gt; add a tailcheck to detect cursor deadness&lt;br/&gt;
Branch: v2.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/db3bc3e7e12c56a06a17b1d67bb1987da5b1e9af&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/db3bc3e7e12c56a06a17b1d67bb1987da5b1e9af&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="316437" author="auto" created="Thu, 18 Apr 2013 17:56:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-04-18T17:55:26Z&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-9093&quot; title=&quot;Make copydb command work with auth on mongos&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-9093&quot;&gt;&lt;del&gt;SERVER-9093&lt;/del&gt;&lt;/a&gt; remove unit test in 2.4 branch (needs &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8420&quot; title=&quot;GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8420&quot;&gt;&lt;del&gt;SERVER-8420&lt;/del&gt;&lt;/a&gt;)&lt;br/&gt;
Branch: v2.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/52c1e65d6fd86c84a116650ab072899a65585b7f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/52c1e65d6fd86c84a116650ab072899a65585b7f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="316435" author="auto" created="Thu, 18 Apr 2013 17:56:17 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-04-08T16:44:02Z&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8420&quot; title=&quot;GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8420&quot;&gt;&lt;del&gt;SERVER-8420&lt;/del&gt;&lt;/a&gt; add a tailcheck to detect cursor deadness&lt;br/&gt;
Branch: v2.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0239789a5b1ef3057673288cb024e8ec286dbde3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0239789a5b1ef3057673288cb024e8ec286dbde3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="308665" author="auto" created="Mon, 8 Apr 2013 16:44:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-04-08T16:44:02Z&apos;, u&apos;name&apos;: u&apos;Eric Milkie&apos;, u&apos;email&apos;: u&apos;milkie@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-8420&quot; title=&quot;GhostSync::percolate() should refresh dead cursors with OplogReader::tailCheck()&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-8420&quot;&gt;&lt;del&gt;SERVER-8420&lt;/del&gt;&lt;/a&gt; add a tailcheck to detect cursor deadness&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d5fad724e291ca8af3b47e4622cc97a3a85b62a0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d5fad724e291ca8af3b47e4622cc97a3a85b62a0&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="60857">SERVER-8073</issuekey>
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