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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>[JAVA-2894] FindIterable.map().first() does not seem to close the underlying cursor</title>
                <link>https://jira.mongodb.org/browse/JAVA-2894</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;With the current MappingIterable.first() implementation:&lt;/p&gt;

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

&lt;p&gt;&lt;font color=&quot;#808000&quot;&gt;@Nullable&lt;/font&gt;&lt;font color=&quot;#808000&quot;&gt;@Override&lt;/font&gt;&lt;font color=&quot;#000080&quot;&gt;public &lt;/font&gt;&lt;font color=&quot;#20999d&quot;&gt;V &lt;/font&gt;first() {&lt;br/&gt;
 MongoCursor&amp;lt;&lt;font color=&quot;#20999d&quot;&gt;V&lt;/font&gt;&amp;gt; iterator = iterator();&lt;br/&gt;
 &lt;font color=&quot;#000080&quot;&gt;if &lt;/font&gt;(!iterator.hasNext()) {&lt;br/&gt;
 &lt;font color=&quot;#000080&quot;&gt;return null&lt;/font&gt;;&lt;br/&gt;
 }&lt;br/&gt;
 &lt;font color=&quot;#000080&quot;&gt;return &lt;/font&gt;iterator.next();&lt;br/&gt;
}&lt;/p&gt;

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

&lt;p&gt;It seems that the MongoCursor.close() method is not called on a col.find().map().first() call.&lt;/p&gt;

&lt;p&gt;HTH&lt;/p&gt;</description>
                <environment></environment>
        <key id="563529">JAVA-2894</key>
            <summary>FindIterable.map().first() does not seem to close the underlying cursor</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="13201">Fixed</resolution>
                                        <assignee username="ross@mongodb.com">Ross Lawley</assignee>
                                    <reporter username="jburet">Julien Buret</reporter>
                        <labels>
                    </labels>
                <created>Sun, 24 Jun 2018 20:25:26 +0000</created>
                <updated>Sat, 28 Oct 2023 11:22:48 +0000</updated>
                            <resolved>Tue, 26 Jun 2018 18:54:01 +0000</resolved>
                                    <version>3.7.1</version>
                                    <fixVersion>3.8.0</fixVersion>
                                    <component>Query Operations</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1932069" author="xgen-internal-githook" created="Tue, 26 Jun 2018 18:21:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;rozza&apos;, &apos;name&apos;: &apos;Ross Lawley&apos;, &apos;email&apos;: &apos;ross.lawley@gmail.com&apos;}
&lt;p&gt;Message: Ensure MappingIterables delegate to wrapped iterable&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2894&quot; title=&quot;FindIterable.map().first() does not seem to close the underlying cursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2894&quot;&gt;&lt;del&gt;JAVA-2894&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/1ff4ce53cfd9376a2cdcbf378a10a00c6e5141a5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/1ff4ce53cfd9376a2cdcbf378a10a00c6e5141a5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1930506" author="ross@10gen.com" created="Mon, 25 Jun 2018 14:53:13 +0000"  >&lt;p&gt;Thanks &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jburet&quot; class=&quot;user-hover&quot; rel=&quot;jburet&quot;&gt;jburet&lt;/a&gt; for the ticket.&lt;/p&gt;

&lt;p&gt;We&apos;ll look to fix in a forthcoming release.&lt;/p&gt;

&lt;p&gt;Ross&lt;/p&gt;</comment>
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