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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>[SERVER-32450] Pipeline::createTopLevelOrFacetPipeline incorrectly handles StaleConfigExceptions</title>
                <link>https://jira.mongodb.org/browse/SERVER-32450</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While implementing sharded $lookup, I was able to hit a stale config exception on a mongod during pipeline validation which hit this &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5090e4efc24b88d28fa83d30457e1d097f2fc273/src/mongo/db/pipeline/pipeline.cpp#L135&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;exception handler&lt;/a&gt;. In the case of ErrorCodes::StaleConfig, converting back to a status will crash the server &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5090e4efc24b88d28fa83d30457e1d097f2fc273/src/mongo/db/service_entry_point_mongod.cpp#L180&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;It&apos;s not immediately obvious whether this is reproducible without the sharded $lookup changes, but still seems like a good opportunity for cleanup by changing the interface of Pipeline::parse to throw exceptions instead of returning status and uassertStatusOK at every callsite.&lt;/p&gt;</description>
                <environment></environment>
        <key id="475451">SERVER-32450</key>
            <summary>Pipeline::createTopLevelOrFacetPipeline incorrectly handles StaleConfigExceptions</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="nicholas.zolnierz@mongodb.com">Nicholas Zolnierz</reporter>
                        <labels>
                            <label>QFB</label>
                            <label>neweng</label>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Thu, 21 Dec 2017 22:10:19 +0000</created>
                <updated>Tue, 6 Dec 2022 03:43:09 +0000</updated>
                                                                            <component>Aggregation Framework</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1759069" author="schwerin" created="Sun, 24 Dec 2017 22:12:47 +0000"  >&lt;p&gt;This might be an appropriate place to leverage the work &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=redbeard0531&quot; class=&quot;user-hover&quot; rel=&quot;redbeard0531&quot;&gt;redbeard0531&lt;/a&gt; is doing to unify Status and DBException.&lt;/p&gt;</comment>
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