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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>[CDRIVER-3301] Unskip txn tests with readConcern=snapshot against mongos</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-3301</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description>&lt;p&gt;In &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3287&quot; title=&quot;Run mongos txn tests in evergreen&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3287&quot;&gt;&lt;del&gt;CDRIVER-3287&lt;/del&gt;&lt;/a&gt; code was added to skip transaction tests that use &lt;tt&gt;readConcern: snapshot&lt;/tt&gt; when running against mongos because of error like this:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Begin /transactions/transaction-options, seed 3108210480&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  - no transaction options set&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  - transaction options inherited from client&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  - transaction options inherited from defaultTransactionOptions&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Expected success, got error &quot;Transaction 3af8b362-1d5d-44fa-9e86-361f0343da15:1 was aborted on statement 0 due to: a non-retryable snapshot error :: caused by :: Encountered error from localhost:27019 during a transaction :: caused by :: Read timestamp Timestamp(1565446708, 5) is older than the oldest available timestamp.&quot;:&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;We&apos;ve skipped those tests from running against mongos for now.&lt;/p&gt;

&lt;p&gt;Note, this is different from the stale DBVersion error from distinct commands, which we are accounting for per &lt;a href=&quot;https://github.com/mongodb/specifications/blob/600c54adfc22f9937ff42b3f4d1fd28edba048b0/source/transactions/tests/README.rst#why-do-tests-that-run-distinct-sometimes-fail-with-staledbversion&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the test README&lt;/a&gt;, though the server tickets discuss both.&lt;/p&gt;</description>
                <environment></environment>
        <key id="890356">CDRIVER-3301</key>
            <summary>Unskip txn tests with readConcern=snapshot against mongos</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="13203">Gone away</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="kevin.albertson@mongodb.com">Kevin Albertson</reporter>
                        <labels>
                    </labels>
                <created>Sat, 10 Aug 2019 14:27:48 +0000</created>
                <updated>Fri, 27 Oct 2023 19:50:17 +0000</updated>
                            <resolved>Mon, 8 Jun 2020 21:10:28 +0000</resolved>
                                    <version>1.15.0</version>
                                                    <component>libmongoc</component>
                    <component>tests</component>
                    <component>Transactions</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3195984" author="kevin.albertson" created="Mon, 8 Jun 2020 21:10:28 +0000"  >&lt;p&gt;This was resolved with &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3373&quot; title=&quot;Avoid using readConcern snapshot in sharded transaction tests&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3373&quot;&gt;&lt;del&gt;CDRIVER-3373&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="701590">SERVER-39704</issuekey>
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            <issuekey id="740068">SERVER-40685</issuekey>
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            <issuekey id="789867">SERVER-41532</issuekey>
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