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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-2276] Require hello command + OP_MSG when &apos;loadBalanced=True&apos;</title>
                <link>https://jira.mongodb.org/browse/GODRIVER-2276</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;This ticket was split from &lt;tt&gt;DRIVERS-2033&lt;/tt&gt;, please see that ticket for a detailed description. &lt;/p&gt;</description>
                <environment></environment>
        <key id="1967872">GODRIVER-2276</key>
            <summary>Require hello command + OP_MSG when &apos;loadBalanced=True&apos;</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="benji.rewis@mongodb.com">Benji Rewis</assignee>
                                    <reporter username="dbeng-pm-bot">PM Bot</reporter>
                        <labels>
                    </labels>
                <created>Thu, 20 Jan 2022 21:36:20 +0000</created>
                <updated>Tue, 22 Feb 2022 16:14:19 +0000</updated>
                            <resolved>Tue, 22 Feb 2022 16:14:19 +0000</resolved>
                                                    <fixVersion>1.9.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4368693" author="xgen-internal-githook" created="Tue, 22 Feb 2022 16:13:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benjamin Rewis&apos;, &apos;email&apos;: &apos;32186188+benjirewis@users.noreply.github.com&apos;, &apos;username&apos;: &apos;benjirewis&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-2276&quot; title=&quot;Require hello command + OP_MSG when &amp;#39;loadBalanced=True&amp;#39;&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-2276&quot;&gt;&lt;del&gt;GODRIVER-2276&lt;/del&gt;&lt;/a&gt; Use OP_MSG and hello with loadBalanced (#847)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/e7214cc18b5894e9d06112fbcf484a0522802739&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/e7214cc18b5894e9d06112fbcf484a0522802739&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4365733" author="benji.rewis" created="Sun, 20 Feb 2022 03:19:11 +0000"  >&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/pull/847&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/pull/847&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4361554" author="benji.rewis" created="Thu, 17 Feb 2022 15:37:26 +0000"  >&lt;p&gt;Cool thanks for the note, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=julius.park&quot; class=&quot;user-hover&quot; rel=&quot;julius.park&quot;&gt;julius.park&lt;/a&gt;. This is still blocked on fixing our load balancer tests in Evergreen (&lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-2292&quot; title=&quot;Update load balancer tests to support dedicated load balancer port&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-2292&quot;&gt;&lt;del&gt;GODRIVER-2292&lt;/del&gt;&lt;/a&gt;), but I&apos;ll get back to this soon.&lt;/p&gt;</comment>
                            <comment id="4354421" author="JIRAUSER1253561" created="Mon, 14 Feb 2022 20:08:59 +0000"  >&lt;p&gt;As &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jeff_y&quot; class=&quot;user-hover&quot; rel=&quot;jeff_y&quot;&gt;jeff_y&lt;/a&gt; uncovered I neglected to include a  &lt;p/&gt;
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&lt;p/&gt; line for test &quot;connection establishment if loadBalanced is specified for non-load balanced clusters&quot; in non-lb-connection-establishment. This was not needed in PyMongo as we do not support &amp;lt;= MongoDB 3.6, but as the Go driver supports &amp;lt;= 3.6, y&apos;all will run into this issue. &lt;/p&gt;</comment>
                            <comment id="4331512" author="benji.rewis" created="Wed, 2 Feb 2022 20:12:14 +0000"  >&lt;p&gt;There&apos;s no way to test this functionality in Evergreen until we fix our failing load balanced tests with &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-2292&quot; title=&quot;Update load balancer tests to support dedicated load balancer port&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-2292&quot;&gt;&lt;del&gt;GODRIVER-2292&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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            <issuekey id="1974587">GODRIVER-2292</issuekey>
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                            <customfieldvalue>&lt;p&gt;DRIVERS-2033:&lt;br/&gt;
This ticket is an add-on to DRIVERS-1916. This ticket similarly specifies drivers must ensure that if load balancing mode is enabled, both &quot;hello&quot; and OP_MSG should be used for the connection handshake.&lt;br/&gt;
 For an example of what your connection process should look like after this change, take a look at the &lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/mongodb-handshake/handshake.rst#connection-handshake&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Python pseudocode implementation&lt;/a&gt; in the handshake spec.&lt;/p&gt;</customfieldvalue>

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