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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-50942] CallbackCanceled for ShardRegistry</title>
                <link>https://jira.mongodb.org/browse/SERVER-50942</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hello, in our MongoDB Cluster (3 mongos, 3 data-replica, 3 config-replica)&lt;br/&gt;
sometime we catch errors like this (with logging level 5)&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Timer received error: CallbackCanceled: Callback was canceled&lt;/p&gt;

&lt;p&gt;What&apos;s wrong, what can be a reason of this timeouts?&lt;/p&gt;</description>
                <environment></environment>
        <key id="1474231">SERVER-50942</key>
            <summary>CallbackCanceled for ShardRegistry</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="eric.sedor@mongodb.com">Eric Sedor</assignee>
                                    <reporter username="andy_lar@mail.ru">Andrey Larionov</reporter>
                        <labels>
                    </labels>
                <created>Tue, 15 Sep 2020 01:43:25 +0000</created>
                <updated>Thu, 19 Nov 2020 23:13:18 +0000</updated>
                            <resolved>Thu, 19 Nov 2020 23:13:18 +0000</resolved>
                                    <version>4.0.12</version>
                                                    <component>Networking</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3406436" author="eric.sedor" created="Tue, 22 Sep 2020 23:03:56 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=andy_lar%40mail.ru&quot; class=&quot;user-hover&quot; rel=&quot;andy_lar@mail.ru&quot;&gt;andy_lar@mail.ru&lt;/a&gt;, would you be able to start by seek troubleshooting assistance from our community by posting on the &lt;a href=&quot;https://community.mongodb.com&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MongoDB Developer Community Forums&lt;/a&gt; or on &lt;a href=&quot;https://stackoverflow.com/questions/tagged/mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Stack Overflow with the &lt;tt&gt;mongodb&lt;/tt&gt; tag&lt;/a&gt;?&lt;/p&gt;

&lt;p&gt;A timeout error isn&apos;t necessarily indicative of a bug, and the SERVER project is for bugs and feature suggestions for the MongoDB server. If there is reason after troubleshooting to suspect a bug, we&apos;d be happy to help here.&lt;/p&gt;

&lt;p&gt;Sincerely,&lt;br/&gt;
Eric&lt;/p&gt;</comment>
                            <comment id="3400484" author="andy_lar@mail.ru" created="Fri, 18 Sep 2020 06:57:12 +0000"  >&lt;p&gt;Hello Eric,&lt;/p&gt;

&lt;p&gt;&amp;gt;&#160;Are you experiencing any specific issues around the logging of this line?&lt;/p&gt;

&lt;p&gt;Yes, application get errors/timeouts at this time. In attach fresh logs (application and mongos) from dev-stand. Time of error in application -&#160;2020-09-17 16:25:47,2547. &lt;br/&gt;
Application&#160; and mongos working on the same Windows-servers (Windows 2012 R2).&lt;br/&gt;
Data and config replicas working on others Linux-servers (4.1.12-124.32.1.el7uek.x86_64).&lt;/p&gt;</comment>
                            <comment id="3397716" author="eric.sedor" created="Wed, 16 Sep 2020 19:28:48 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=andy_lar%40mail.ru&quot; class=&quot;user-hover&quot; rel=&quot;andy_lar@mail.ru&quot;&gt;andy_lar@mail.ru&lt;/a&gt;, this log line is not an issue by itself, and is even omitted in later versions, as of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37098&quot; title=&quot;reduce verbosity of frequently logged log line in NetworkInterfaceTL (currently logged at level 2, which some sharding suites run at)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37098&quot;&gt;&lt;del&gt;SERVER-37098&lt;/del&gt;&lt;/a&gt;. Are you experiencing any specific issues around the logging of this line?&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;2020-09-07T05:04:07.366+0300 I COMMAND &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;conn17&amp;#93;&lt;/span&gt; command admin.$cmd command: isMaster { isMaster: 1, $db: &quot;admin&quot;, $readPreference: &lt;/p&gt;
{ mode: &quot;primaryPreferred&quot; }
&lt;p&gt; } numYields:0 reslen:356 protocol:op_msg 0ms&lt;/p&gt;

&lt;p&gt;2020-09-07T05:04:07.366+0300 D SHARDING &lt;span class=&quot;error&quot;&gt;&amp;#91;conn17&amp;#93;&lt;/span&gt; Command begin db: admin msg id: 69856&lt;br/&gt;
2020-09-07T05:04:07.366+0300 D SHARDING &lt;span class=&quot;error&quot;&gt;&amp;#91;conn17&amp;#93;&lt;/span&gt; Command end db: admin msg id: 69856&lt;br/&gt;
2020-09-07T05:04:07.366+0300 I COMMAND &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;conn17&amp;#93;&lt;/span&gt; command admin.$cmd command: buildInfo { buildInfo: 1, $db: &quot;admin&quot;, $readPreference: &lt;/p&gt;
{ mode: &quot;primaryPreferred&quot; }
&lt;p&gt; } numYields:0 reslen:1117 protocol:op_msg 0ms&lt;br/&gt;
2020-09-07T05:04:08.127+0300 D TRACKING &lt;span class=&quot;error&quot;&gt;&amp;#91;UserCacheInvalidator&amp;#93;&lt;/span&gt; Cmd: NotSet, TrackingId: 5f559518c9a42f286841b901&lt;br/&gt;
2020-09-07T05:04:08.127+0300 D EXECUTOR &lt;span class=&quot;error&quot;&gt;&amp;#91;UserCacheInvalidator&amp;#93;&lt;/span&gt; Scheduling remote command request: RemoteCommand 217104 &amp;#8211; target:10.97.154.17:27019 db:admin expDate:2020-09-07T05:04:38.127+0300 cmd:{ _getUserCacheGeneration: 1, maxTimeMS: 30000 }&lt;br/&gt;
2020-09-07T05:04:08.127+0300 D ASIO &#160; &#160; &lt;span class=&quot;error&quot;&gt;&amp;#91;UserCacheInvalidator&amp;#93;&lt;/span&gt; startCommand: RemoteCommand 217104 &amp;#8211; target:10.97.154.17:27019 db:admin expDate:2020-09-07T05:04:38.127+0300 cmd:{ _getUserCacheGeneration: 1, maxTimeMS: 30000 }&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Compressing message with snappy&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Timer received error: CallbackCanceled: Callback was canceled&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Timer received error: CallbackCanceled: Callback was canceled&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Timer received error: CallbackCanceled: Callback was canceled&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D NETWORK &#160;&lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Decompressing message with snappy&lt;br/&gt;
2020-09-07T05:04:08.128+0300 D ASIO &#160; &#160; &lt;span class=&quot;error&quot;&gt;&amp;#91;ShardRegistry&amp;#93;&lt;/span&gt; Request 217104 finished with response: { cacheGeneration: ObjectId(&apos;5f4625d7c1984c8aa2b03492&apos;), ok: 1.0, operationTime: Timestamp(1599444247, 1), $replData: { term: 20, lastOpCommitted: &lt;/p&gt;
{ ts: Timestamp(1599444247, 1), t: 20 }
&lt;p&gt;, lastOpVisible: { ts: Timestamp(1599444247, 1), t: 20 }, configVersion: 1, replicaSetId: ObjectId(&apos;5da5ddd6eefff9aba165cd92&apos;), primaryIndex: 1, syncSourceIndex: -1 }, $gleStats: { lastOpTime: &lt;/p&gt;
{ ts: Timestamp(1599444237, 1), t: 20 }
&lt;p&gt;, electionId: ObjectId(&apos;7fffffff0000000000000014&apos;) }, lastCommittedOpTime: Timestamp(1599444247, 1), $clusterTime: { clusterTime: Timestamp(1599444247, 1), signature: &lt;/p&gt;
{ hash: BinData(0, 0000000000000000000000000000000000000000), keyId: 0 }
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