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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-5347] getMore: cursor ScopedDbConnection: _conn != null</title>
                <link>https://jira.mongodb.org/browse/SERVER-5347</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If we run a simple query on a sharded collection it failes after the reads have finished the first shard.&lt;/p&gt;


&lt;p&gt;we can reproduce it with:&lt;/p&gt;

&lt;p&gt;Javascript test query as file &quot;script&quot;:&lt;br/&gt;
function logi(pub) {&lt;br/&gt;
  print(new Date());&lt;br/&gt;
  print(pub.someId);&lt;br/&gt;
};&lt;/p&gt;

&lt;p&gt;db.collection.find().forEach(logi);&lt;/p&gt;

&lt;p&gt;log output from this script with command &quot;mongo refind &amp;lt; script ; date&quot;:&lt;br/&gt;
Wed Mar 21 2012 17:21:23 GMT+0000 (UTC)&lt;br/&gt;
NumberLong(1836664)&lt;br/&gt;
Wed Mar 21 2012 17:21:23 GMT+0000 (UTC)&lt;br/&gt;
NumberLong(1836859)&lt;br/&gt;
Wed Mar 21 2012 17:21:23 GMT+0000 (UTC)&lt;br/&gt;
NumberLong(1836883)&lt;br/&gt;
Wed Mar 21 2012 17:21:23 GMT+0000 (UTC)&lt;br/&gt;
undefined&lt;br/&gt;
getMore: cursor didn&apos;t exist on server, possible restart or timeout?&lt;br/&gt;
Wed Mar 21 17:21:23 UTC 2012&lt;/p&gt;

&lt;p&gt;log output router which we connect to:&lt;br/&gt;
Wed Mar 21 17:21:23 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn11974&amp;#93;&lt;/span&gt; ~ScopedDbConnection: _conn != null&lt;br/&gt;
Wed Mar 21 17:21:23 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn11974&amp;#93;&lt;/span&gt; end connection 127.0.0.1:12880&lt;/p&gt;</description>
                <environment>Linux 2.6.32-38-server, Ubuntu 10.04, MongoDB 2.0.1, 4 shards each Replicaset with 3 or more Nodes, NUMA, 2x XEON E5620 , 24 GB RAM </environment>
        <key id="33476">SERVER-5347</key>
            <summary>getMore: cursor ScopedDbConnection: _conn != null</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="9">Done</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="steffen">Steffen</reporter>
                        <labels>
                            <label>mongos</label>
                            <label>sharding</label>
                    </labels>
                <created>Wed, 21 Mar 2012 17:31:14 +0000</created>
                <updated>Tue, 6 Dec 2022 05:34:42 +0000</updated>
                            <resolved>Thu, 22 Feb 2018 19:52:57 +0000</resolved>
                                    <version>2.0.3</version>
                                                    <component>Querying</component>
                    <component>Sharding</component>
                                        <votes>2</votes>
                                    <watches>3</watches>
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