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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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<item>
            <title>[GODRIVER-876] findOne can fail to return </title>
                <link>https://jira.mongodb.org/browse/GODRIVER-876</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;Calling FindOne() &lt;b&gt;sometimes&lt;/b&gt;&#160;returns a empty singleResult, which causes Decode() to return an&#160;ErrNoDocuments&lt;/p&gt;

&lt;p&gt;This seems to be nondeterministic, occuring raround &lt;b&gt;10%&lt;/b&gt; of the time.&lt;/p&gt;

&lt;p&gt;The remaining 90% of the time, findOne() successfully decodes the expected document from the collection and no errors.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;db.mycollection.findOne({&quot;address&quot;: &lt;/p&gt;
{&quot;first_line&quot;: &quot;expected_first_line&quot;, &quot;second_line&quot; : &quot;expected_second_line&quot;}
&lt;p&gt; } )&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment>running mongo:3.6-stretch in docker&lt;br/&gt;
go version go1.11.5 darwin/amd64&lt;br/&gt;
mongo driver github.com/mongodb/mongo-go-driver v0.3.0</environment>
        <key id="716439">GODRIVER-876</key>
            <summary>findOne can fail to return </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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="matthewnolf">Matthew Nolf</reporter>
                        <labels>
                    </labels>
                <created>Wed, 13 Mar 2019 20:45:31 +0000</created>
                <updated>Thu, 14 Mar 2019 20:21:49 +0000</updated>
                            <resolved>Thu, 14 Mar 2019 20:21:49 +0000</resolved>
                                    <version>0.3.0</version>
                                                    <component>BSON</component>
                    <component>Core API</component>
                    <component>Error Handling</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2181152" author="jeff.yemin" created="Thu, 14 Mar 2019 20:21:40 +0000"  >&lt;p&gt;Looks like this duplicates &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-877&quot; title=&quot;FindOne() nondeterministically returns empty singleResult&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-877&quot;&gt;&lt;del&gt;GODRIVER-877&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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