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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>[SERVER-41918] CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock</title>
                <link>https://jira.mongodb.org/browse/SERVER-41918</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, CollectionBulkLoaderImpl uses CollectionBulkLoaderImpl::_runTaskReleaseResourcesOnFailure() to wrap function calls into other components such as the MultiIndexBlock index builder component.  CollectionBulkLoaderImpl::_runTaskReleaseResourcesOnFailure() assumes no exceptions will reach its top level, since it catches all exceptions and immediately calls std::terminate() when they are caught.&lt;/p&gt;

&lt;p&gt;Since some MultiIndexBlock functions can uassert, I believe we ought to convert exceptions into Statuses either in CollectionBulkLoaderImpl at its call sites, or within the MultiIndexBlock functions themselves. &lt;/p&gt;</description>
                <environment></environment>
        <key id="814256">SERVER-41918</key>
            <summary>CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock</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="mihai.andrei@mongodb.com">Mihai Andrei</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                            <label>former-quick-wins</label>
                            <label>former-robust-initial-sync</label>
                    </labels>
                <created>Tue, 25 Jun 2019 19:18:18 +0000</created>
                <updated>Sun, 29 Oct 2023 22:19:35 +0000</updated>
                            <resolved>Mon, 9 Sep 2019 13:49:43 +0000</resolved>
                                                    <fixVersion>4.0.13</fixVersion>
                    <fixVersion>4.2.1</fixVersion>
                    <fixVersion>4.3.1</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="2434740" author="xgen-internal-githook" created="Thu, 26 Sep 2019 15:55:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41918&quot; title=&quot;CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41918&quot;&gt;&lt;del&gt;SERVER-41918&lt;/del&gt;&lt;/a&gt; CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 6dc4461c0db2954da0a43d3934bb6c97ac02fd8e)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/91be8f3008241107539ab26cd085be923588bc9a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/91be8f3008241107539ab26cd085be923588bc9a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2420222" author="xgen-internal-githook" created="Fri, 13 Sep 2019 21:00:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41918&quot; title=&quot;CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41918&quot;&gt;&lt;del&gt;SERVER-41918&lt;/del&gt;&lt;/a&gt; CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock (cherry picked from commit 6dc4461c0db2954da0a43d3934bb6c97ac02fd8e)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0566df6204f1eda96e889db6319ceba2811efb6a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0566df6204f1eda96e889db6319ceba2811efb6a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2412682" author="xgen-internal-githook" created="Mon, 9 Sep 2019 13:46:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Mihai Andrei&apos;, &apos;email&apos;: &apos;mihai.andrei@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41918&quot; title=&quot;CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41918&quot;&gt;&lt;del&gt;SERVER-41918&lt;/del&gt;&lt;/a&gt; CollectionBulkLoader does not anticipate exceptions from MultiIndexBlock&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6dc4461c0db2954da0a43d3934bb6c97ac02fd8e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6dc4461c0db2954da0a43d3934bb6c97ac02fd8e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2398432" author="milkie" created="Wed, 28 Aug 2019 20:47:24 +0000"  >&lt;p&gt;After in-person discussion, we will implement this ticket by adorning MultiIndexBlock&apos;s calls of functions that might throw with try-catch&apos;s that convert exceptions to Statuses.&lt;/p&gt;</comment>
                            <comment id="2306754" author="matthew.russotto" created="Mon, 1 Jul 2019 14:32:33 +0000"  >&lt;p&gt;It appears the intention is that the MultiIndexBlock functions which return &#8220;Status&#8221; values are not supposed to uassert.  In theory this should hold all the way down the chain; that is, a function which returns a Status should be able to be trusted not to uassert instead, and it appears MultiIndexBlock assumes this.  In practice there is no way to enforce this (statically) in the language, so it is not reliable. &lt;/p&gt;

&lt;p&gt;The MultiIndexBlock already catches some lower-level uasserts and returns them as statuses, and sometimes it special-cases some of the errors, which CollectionBulkLoaderImpl wouldn&#8217;t know how to do.  So we should probably enforce this constraint at the MultiIndexBlock level.  Any outside function called should be wrapped in a try/catch.&lt;/p&gt;</comment>
                    </comments>
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