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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>[GODRIVER-2222] Fix srvMaxHosts SRV polling shuffling logic</title>
                <link>https://jira.mongodb.org/browse/GODRIVER-2222</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;In SRV polling, if &lt;tt&gt;srvMaxHosts&lt;/tt&gt; is declared, we currently &lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/blob/master/x/mongo/driver/topology/topology.go#L546-L559&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;shuffle&lt;/a&gt; the list of parsed hosts returned from &lt;tt&gt;t.dnsResolver.ParseHosts&lt;/tt&gt; and &lt;em&gt;then&lt;/em&gt; call &lt;tt&gt;processSRVResults&lt;/tt&gt; on those parsed hosts. Depending on the outcome of the shuffle, that logic can result in accidentally losing an existing SRV record. We should move the shuffling logic for SRV polling into &lt;tt&gt;processSRVResults&lt;/tt&gt; to account for this.&lt;/p&gt;

&lt;p&gt;Also, now that we&apos;ve dropped support for Golang 1.9, we can just use rand.Shuffle&#160;&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/blob/master/x/mongo/driver/topology/topology.go#L550&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;&#160;and&#160;&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/blob/master/x/mongo/driver/connstring/connstring.go#L309&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; as stated in the TODO (I missed this in &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-1876&quot; title=&quot;Drop pre Go 1.10 workarounds&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-1876&quot;&gt;&lt;del&gt;GODRIVER-1876&lt;/del&gt;&lt;/a&gt;).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1921542">GODRIVER-2222</key>
            <summary>Fix srvMaxHosts SRV polling shuffling logic</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="matt.dale@mongodb.com">Matt Dale</assignee>
                                    <reporter username="benji.rewis@mongodb.com">Benji Rewis</reporter>
                        <labels>
                    </labels>
                <created>Tue, 9 Nov 2021 17:00:32 +0000</created>
                <updated>Sat, 28 Oct 2023 11:37:41 +0000</updated>
                            <resolved>Tue, 23 Nov 2021 19:08:33 +0000</resolved>
                                                    <fixVersion>1.8.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4208250" author="xgen-internal-githook" created="Tue, 23 Nov 2021 19:08:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Matt Dale&apos;, &apos;email&apos;: &apos;9760375+matthewdale@users.noreply.github.com&apos;, &apos;username&apos;: &apos;matthewdale&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-2222&quot; title=&quot;Fix srvMaxHosts SRV polling shuffling logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-2222&quot;&gt;&lt;del&gt;GODRIVER-2222&lt;/del&gt;&lt;/a&gt; Prevent removing valid servers when updating SRV hosts. (#805)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/a452f5120afd0bc3bb7c3086f39f2895d3c581f8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/a452f5120afd0bc3bb7c3086f39f2895d3c581f8&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4186999" author="JIRAUSER1259527" created="Sat, 13 Nov 2021 01:09:20 +0000"  >&lt;p&gt;PR: &lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/pull/805&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/pull/805&lt;/a&gt;&lt;/p&gt;</comment>
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                                                                <inwardlinks description="is related to">
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            <issuekey id="1922209">DRIVERS-1981</issuekey>
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