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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-21146] Issuing moveChunk/mergeChunk/splitChunk, setShardVersion, _recvChunkStart on mongod can cause server hang</title>
                <link>https://jira.mongodb.org/browse/SERVER-21146</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On a single instance mongod, each of the 5 commands checks for the existence of the &quot;config&quot; or &quot;configdb&quot; field in the command object. If it exists and is a string, then shardingState is set to initializing in ShardingState::initialize. However the initialization never succeeds and the InitializationState is left in &quot;initializing&quot;. Which causes calls to while loops waiting on initializationState to never exit: &lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;

&lt;p&gt;This affects subsequent calls to &lt;tt&gt;move/merge/splitChunk&lt;/tt&gt;, &lt;tt&gt;setShardVersion&lt;/tt&gt;,  &lt;tt&gt;_recvChunkStart&lt;/tt&gt; and &lt;tt&gt;shutdown&lt;/tt&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="236249">SERVER-21146</key>
            <summary>Issuing moveChunk/mergeChunk/splitChunk, setShardVersion, _recvChunkStart on mongod can cause server hang</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="9">Done</resolution>
                                        <assignee username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="robert.guo@mongodb.com">Robert Guo</reporter>
                        <labels>
                            <label>fuzzer-blocker</label>
                    </labels>
                <created>Mon, 26 Oct 2015 21:49:25 +0000</created>
                <updated>Mon, 25 Apr 2016 02:49:17 +0000</updated>
                            <resolved>Wed, 11 Nov 2015 22:28:12 +0000</resolved>
                                    <version>3.2.0-rc0</version>
                                    <fixVersion>3.2.0-rc3</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1086169" author="xgen-internal-githook" created="Wed, 11 Nov 2015 22:31:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21146&quot; title=&quot;Issuing moveChunk/mergeChunk/splitChunk, setShardVersion, _recvChunkStart on mongod can cause server hang&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21146&quot;&gt;&lt;del&gt;SERVER-21146&lt;/del&gt;&lt;/a&gt; Fix duplicate fassert code&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1ea7a57bc3fcda0cf83f78fa6be2a769913cd7b1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1ea7a57bc3fcda0cf83f78fa6be2a769913cd7b1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1086157" author="xgen-internal-githook" created="Wed, 11 Nov 2015 22:26:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21146&quot; title=&quot;Issuing moveChunk/mergeChunk/splitChunk, setShardVersion, _recvChunkStart on mongod can cause server hang&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21146&quot;&gt;&lt;del&gt;SERVER-21146&lt;/del&gt;&lt;/a&gt; Add sharding state initialization error state&lt;/p&gt;

&lt;p&gt;This change introduces a kError state to the sharding state so that it can&lt;br/&gt;
be used for the cases where initialization fails instead of leaving the&lt;br/&gt;
sharding state in the initializing state.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7a369c3f57b57762fd689bb1301c5c4424abba8a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7a369c3f57b57762fd689bb1301c5c4424abba8a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1081063" author="misha.tyulenev" created="Thu, 5 Nov 2015 21:22:21 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21318&quot; title=&quot;Non internal user can execute moveChunk/mergeChunk/splitChunk commands on mongod&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21318&quot;&gt;&lt;del&gt;SERVER-21318&lt;/del&gt;&lt;/a&gt; addresses internal user privileges requirement.&lt;/p&gt;</comment>
                            <comment id="1081042" author="misha.tyulenev" created="Thu, 5 Nov 2015 21:06:29 +0000"  >&lt;p&gt;Agree, reopened&lt;/p&gt;</comment>
                            <comment id="1079607" author="spencer" created="Wed, 4 Nov 2015 18:53:24 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=misha.tyulenev&quot; class=&quot;user-hover&quot; rel=&quot;misha.tyulenev&quot;&gt;misha.tyulenev&lt;/a&gt;, I think it&apos;s misleading to mark this ticket as fixed as we didn&apos;t actually fix the hang, just restricted the ability to hit it if using access control.  Instead could you re-open this one but add a new ticket describing the access control change that was made and close that one?&lt;/p&gt;</comment>
                            <comment id="1078719" author="xgen-internal-githook" created="Tue, 3 Nov 2015 23:12:47 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;mikety&apos;, u&apos;name&apos;: u&apos;Misha Tyulenev&apos;, u&apos;email&apos;: u&apos;misha@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21146&quot; title=&quot;Issuing moveChunk/mergeChunk/splitChunk, setShardVersion, _recvChunkStart on mongod can cause server hang&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21146&quot;&gt;&lt;del&gt;SERVER-21146&lt;/del&gt;&lt;/a&gt; restrict splitChunk, moveChunk, mergeChunks on mongod to internal user only&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/730e2cfca84134d1564fb80d851a42cc17ebcdb3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/730e2cfca84134d1564fb80d851a42cc17ebcdb3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1076958" author="robert.guo" created="Mon, 2 Nov 2015 17:05:08 +0000"  >&lt;p&gt;&lt;tt&gt;_recvChunkStart&lt;/tt&gt; and &lt;tt&gt;setShardVersion&lt;/tt&gt; are similarly affected. I will update the ticket description to reflect this change.&lt;/p&gt;</comment>
                            <comment id="1073254" author="spencer" created="Wed, 28 Oct 2015 19:30:13 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=misha.tyulenev&quot; class=&quot;user-hover&quot; rel=&quot;misha.tyulenev&quot;&gt;misha.tyulenev&lt;/a&gt;, as part of this, can you please update the required privileges for the mongod versions of the commands to require internal user privileges so general end-users can&apos;t run the mongod version directly?  You can do this by modifying the &apos;checkAuthForCommand&apos; method in the Command definition.&lt;/p&gt;</comment>
                            <comment id="1071040" author="spencer" created="Mon, 26 Oct 2015 22:04:24 +0000"  >&lt;p&gt;This looks like a regression, so we should try to fix this before 3.2&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="238065">SERVER-21318</issuekey>
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