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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>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-7093] Mongos crashed because of &quot;got not master&quot; with signal 11</title>
                <link>https://jira.mongodb.org/browse/SERVER-7093</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Mongos always crashed!!! And 5 mongos crashed almost at the same time. The reason is that it &quot;got not master for: 192.168.99.1&quot;, then &quot;DBClientCursor::init call() failed&quot; and it received signal 11. &lt;/p&gt;

&lt;p&gt;The version is 2.2.0. &lt;/p&gt;

&lt;p&gt;This bug is similar to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6539&quot; title=&quot;Mongos crashed because of mongod cannot reach.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-6539&quot;&gt;&lt;del&gt;SERVER-6539&lt;/del&gt;&lt;/a&gt;: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-6539&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/SERVER-6539&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Backtraces below:&lt;/p&gt;

&lt;p&gt;&#8212; 1 &#8212;&lt;br/&gt;
Thu Sep 13 13:57:24 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S023:2012&lt;br/&gt;
Thu Sep 13 13:57:34 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S021:2012&lt;br/&gt;
Thu Sep 13 13:57:34 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S023:2012&lt;br/&gt;
Thu Sep 13 13:57:44 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S021:2012&lt;br/&gt;
Thu Sep 13 13:57:44 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S023:2012&lt;br/&gt;
Thu Sep 13 13:57:54 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S021:2012&lt;br/&gt;
Thu Sep 13 13:57:54 &lt;span class=&quot;error&quot;&gt;&amp;#91;ReplicaSetMonitorWatcher&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S023:2012&lt;br/&gt;
Thu Sep 13 13:57:54 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S023:2012&amp;#93;&lt;/span&gt; DBClientCursor::init call() failed&lt;br/&gt;
Thu Sep 13 13:57:54 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S023:2012&amp;#93;&lt;/span&gt; WriteBackListener exception : DBClientBase::findN: transport error: SNode_S023:2012 ns: admin.$cmd query: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;50516d98ac39cc0cc08f7ad3&apos;) }
&lt;p&gt;Thu Sep 13 13:57:55 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn584&amp;#93;&lt;/span&gt; ChunkManager: time to load chunks for infodb.docinfo: 132ms sequenceNumber: 3330 version: 3420|1||504836f4ed66ab254ec61a1e based on: 3419|5||504836f4ed66ab254ec61a1e&lt;br/&gt;
Thu Sep 13 13:57:55 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn589&amp;#93;&lt;/span&gt; ChunkManager: time to load chunks for textdb.doctext: 212ms sequenceNumber: 3331 version: 2856|3||504836f4ed66ab254ec61a1f based on: 2856|1||504836f4ed66ab254ec61a1f&lt;br/&gt;
Thu Sep 13 13:57:55 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn589&amp;#93;&lt;/span&gt; got not master for: SNode_S023:2012&lt;br/&gt;
Thu Sep 13 13:57:55 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn458&amp;#93;&lt;/span&gt; ChunkManager: time to load chunks for infodb.docinfo: 109ms sequenceNumber: 3332 version: 3420|1||504836f4ed66ab254ec61a1e based on: 3419|5||504836f4ed66ab254ec61a1e&lt;br/&gt;
Received signal 11&lt;br/&gt;
Backtrace: 0x8386d5 0x361f632920 &lt;br/&gt;
./mongos(_ZN5mongo17printStackAndExitEi+0x75)&lt;span class=&quot;error&quot;&gt;&amp;#91;0x8386d5&amp;#93;&lt;/span&gt;&lt;br/&gt;
/lib64/libc.so.6&lt;span class=&quot;error&quot;&gt;&amp;#91;0x361f632920&amp;#93;&lt;/span&gt;&lt;br/&gt;
===&lt;/p&gt;

&lt;p&gt;&#8212; /1 &#8212;&lt;/p&gt;

&lt;p&gt;and&lt;br/&gt;
&#8212; 2 &#8212;&lt;br/&gt;
Thu Sep 13 14:27:01 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn5&amp;#93;&lt;/span&gt; ChunkManager: time to load chunks for textdb.doctext: 181ms sequenceNumber: 529 version: 2856|185||504836f4ed66ab254ec61a1f based on: 2856|47||504836f4ed66ab254ec61a1f&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn8&amp;#93;&lt;/span&gt; Socket recv() errno:104 Connection reset by peer 10.9.0.23:2012&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S023:2012&amp;#93;&lt;/span&gt; DBClientCursor::init call() failed&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn8&amp;#93;&lt;/span&gt; SocketException: remote: 10.9.0.23:2012 error: 9001 socket exception &lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt; server &lt;span class=&quot;error&quot;&gt;&amp;#91;10.9.0.23:2012&amp;#93;&lt;/span&gt; &lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn8&amp;#93;&lt;/span&gt; DBClientCursor::init call() failed&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S023:2012&amp;#93;&lt;/span&gt; WriteBackListener exception : DBClientBase::findN: transport error: SNode_S023:2012 ns: admin.$cmd query: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;5051795ec69e943c6fb769f9&apos;) }
&lt;p&gt;Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn8&amp;#93;&lt;/span&gt; warning: db exception when initializing on shard01:shard01/SNode_S021:2012,SNode_S022:2012,SNode_S023:2012, current connection state is { state: &lt;/p&gt;
{ conn: &quot;shard01/SNode_S021:2012,SNode_S022:2012,SNode_S023:2012&quot;, vinfo: &quot;textdb.doctext @ 2856|185||504836f4ed66ab254ec61a1f&quot;, cursor: &quot;(none)&quot;, count: 0, done: false }
&lt;p&gt;, retryNext: false, init: false, finish: false, errored: false } :: caused by :: 10276 DBClientBase::findN: transport error: SNode_S023:2012 ns: admin.$cmd query: { setShardVersion: &quot;textdb.doctext&quot;, configdb: &quot;SNode_S038:2020,SNode_S039:2020,SNode_S040:2020&quot;, version: Timestamp 2856000|173, versionEpoch: ObjectId(&apos;504836f4ed66ab254ec61a1f&apos;), serverID: ObjectId(&apos;5051795ec69e943c6fb769f9&apos;), shard: &quot;shard01&quot;, shardHost: &quot;shard01/SNode_S021:2012,SNode_S022:2012,SNode_S023:2012&quot;, $auth: {} }&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn29&amp;#93;&lt;/span&gt; got not master for: SNode_S023:2012&lt;br/&gt;
Thu Sep 13 14:27:02 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn3&amp;#93;&lt;/span&gt; Primary for replica set shard01 changed to SNode_S021:2012&lt;br/&gt;
Received signal 11&lt;br/&gt;
Backtrace: 0x8386d5 0x361f632920 0xc61e30 &lt;br/&gt;
./mongos(_ZN5mongo17printStackAndExitEi+0x75)&lt;span class=&quot;error&quot;&gt;&amp;#91;0x8386d5&amp;#93;&lt;/span&gt;&lt;br/&gt;
/lib64/libc.so.6&lt;span class=&quot;error&quot;&gt;&amp;#91;0x361f632920&amp;#93;&lt;/span&gt;&lt;br/&gt;
./mongos(_ZTVN5mongo18DBClientConnectionE+0x10)&lt;span class=&quot;error&quot;&gt;&amp;#91;0xc61e30&amp;#93;&lt;/span&gt;&lt;br/&gt;
===&lt;br/&gt;
&#8212; /2 &#8212;&lt;/p&gt;

&lt;p&gt;and &lt;br/&gt;
&#8212; 3 &#8212;&lt;br/&gt;
Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S029:2012&amp;#93;&lt;/span&gt; Socket recv() errno:104 Connection reset by peer 10.9.0.29:2012&lt;br/&gt;
Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S029:2012&amp;#93;&lt;/span&gt; SocketException: remote: 10.9.0.29:2012 error: 9001 socket exception &lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt; server &lt;span class=&quot;error&quot;&gt;&amp;#91;10.9.0.29:2012&amp;#93;&lt;/span&gt; &lt;br/&gt;
Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S029:2012&amp;#93;&lt;/span&gt; DBClientCursor::init call() failed&lt;br/&gt;
Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;WriteBackListener-SNode_S029:2012&amp;#93;&lt;/span&gt; WriteBackListener exception : DBClientBase::findN: transport error: SNode_S029:2012 ns: admin.$cmd query: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;50570a6870b81f72dd22c467&apos;) }
&lt;p&gt;Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;mongosMain&amp;#93;&lt;/span&gt; connection accepted from 10.9.0.1:38044 #2861 (1062 connections now open)&lt;br/&gt;
Tue Sep 18 14:36:38 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn2861&amp;#93;&lt;/span&gt; got not master for: SNode_S029:2012&lt;br/&gt;
Received signal 11&lt;br/&gt;
Backtrace: 0x8386d5 0x361f632920 0x7f665e428d80 &lt;br/&gt;
./mongos(_ZN5mongo17printStackAndExitEi+0x75)&lt;span class=&quot;error&quot;&gt;&amp;#91;0x8386d5&amp;#93;&lt;/span&gt;&lt;br/&gt;
/lib64/libc.so.6&lt;span class=&quot;error&quot;&gt;&amp;#91;0x361f632920&amp;#93;&lt;/span&gt;&lt;br/&gt;
&lt;span class=&quot;error&quot;&gt;&amp;#91;0x7f665e428d80&amp;#93;&lt;/span&gt;&lt;br/&gt;
===&lt;br/&gt;
&#8212; /3 &#8212;&lt;/p&gt;</description>
                <environment>CentOS6.3, 12 replica sets (3 replication with each shard) in sharding, 3 config server, 5 mongos</environment>
        <key id="51042">SERVER-7093</key>
            <summary>Mongos crashed because of &quot;got not master&quot; with signal 11</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.mongodb.org/images/icons/priorities/blocker.svg">Blocker - P1</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="matrixyy">Tieying Zhang</reporter>
                        <labels>
                            <label>crash</label>
                            <label>mongos</label>
                    </labels>
                <created>Fri, 21 Sep 2012 07:41:03 +0000</created>
                <updated>Fri, 15 Feb 2013 15:06:41 +0000</updated>
                            <resolved>Fri, 21 Sep 2012 13:56:54 +0000</resolved>
                                    <version>2.2.0</version>
                                                    <component>Stability</component>
                                        <votes>10</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="166639" author="matrixyy" created="Fri, 21 Sep 2012 09:10:29 +0000"  >&lt;p&gt;A similar problem &quot;mongos consistently crashing after Primary replica change&quot; : &lt;a href=&quot;https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/NeeB86n9-JU&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://groups.google.com/forum/?fromgroups=#!topic/mongodb-user/NeeB86n9-JU&lt;/a&gt;&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="50782">SERVER-7061</issuekey>
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