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<channel>
    <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>
    </build-info>


<item>
            <title>[CSHARP-3426] Replicaset failover leads to a batch of errors even with retryable writes on</title>
                <link>https://jira.mongodb.org/browse/CSHARP-3426</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;The replica set member got restarted, became secondary, and then a batch of requests (with read preference that allowed secondary reads) fail with MongoCommandException (details below). I&apos;m not sure why it happened but it looks like the server is rejecting cached credentials that are not valid after reconnection due to some (I&apos;m speculating here) cache not being cleared after the connection is lost/broken. Unfortunately, this defeats the purpose of retryable writes since even a graceful failover can lead to a query failure with a non-retryable error. This happens almost every time when secondary reads are allowed and the primary node is restarted, becoming a secondary one.&lt;br/&gt;
This also could be a server-side issue (given what JIRA search shows up for related errors), but I doubt it.&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;MongoDB.Driver.MongoCommandException: Command find failed: Cache Reader No keys found for HMAC that is valid for time: { ts: Timestamp(1613369050, 99) } with id: 6893426160802201667.&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.WireProtocol.CommandUsingCommandMessageWireProtocol&amp;lt;TCommandResult&amp;gt;.ProcessResponse(ConnectionId connectionId, CommandMessage responseMessage)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.WireProtocol.CommandUsingCommandMessageWireProtocol&amp;lt;TCommandResult&amp;gt;.Execute(IConnection connection, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.WireProtocol.CommandWireProtocol&amp;lt;TCommandResult&amp;gt;.Execute(IConnection connection, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.Core.Servers.Server+ServerChannel.ExecuteProtocol&amp;lt;TResult&amp;gt;(IWireProtocol&amp;lt;TResult&amp;gt; protocol, ICoreSession session, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.Core.Servers.Server+ServerChannel.Command&amp;lt;TResult&amp;gt;(ICoreSession session, ReadPreference readPreference, DatabaseNamespace databaseNamespace, BsonDocument command, IEnumerable&amp;lt;Type1CommandMessageSection&amp;gt; commandPayloads, IElementNameValidator commandValidator, BsonDocument additionalOptions, Action&amp;lt;IMessageEncoderPostProcessor&amp;gt; postWriteAction, CommandResponseHandling responseHandling, IBsonSerializer&amp;lt;TResult&amp;gt; resultSerializer, MessageEncoderSettings messageEncoderSettings, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.Operations.CommandOperationBase&amp;lt;TCommandResult&amp;gt;.ExecuteProtocol(IChannelHandle channel, ICoreSessionHandle session, ReadPreference readPreference, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.Operations.ReadCommandOperation&amp;lt;TCommandResult&amp;gt;.ExecuteAttempt(RetryableReadContext context, int attempt, long? transactionNumber, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.Core.Operations.RetryableReadOperationExecutor.Execute&amp;lt;TResult&amp;gt;(IRetryableReadOperation&amp;lt;TResult&amp;gt; operation, RetryableReadContext context, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TCommandResult MongoDB.Driver.Core.Operations.ReadCommandOperation&amp;lt;TCommandResult&amp;gt;.Execute(RetryableReadContext context, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TDocument&amp;gt; MongoDB.Driver.Core.Operations.FindCommandOperation&amp;lt;TDocument&amp;gt;.Execute(RetryableReadContext context, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TDocument&amp;gt; MongoDB.Driver.Core.Operations.FindOperation&amp;lt;TDocument&amp;gt;.Execute(RetryableReadContext context, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TDocument&amp;gt; MongoDB.Driver.Core.Operations.FindOperation&amp;lt;TDocument&amp;gt;.Execute(IReadBinding binding, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.OperationExecutor.ExecuteReadOperation&amp;lt;TResult&amp;gt;(IReadBinding binding, IReadOperation&amp;lt;TResult&amp;gt; operation, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.ExecuteReadOperation&amp;lt;TResult&amp;gt;(IClientSessionHandle session, IReadOperation&amp;lt;TResult&amp;gt; operation, ReadPreference readPreference, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.ExecuteReadOperation&amp;lt;TResult&amp;gt;(IClientSessionHandle session, IReadOperation&amp;lt;TResult&amp;gt; operation, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.FindSync&amp;lt;TProjection&amp;gt;(IClientSessionHandle session, FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.FindSync&amp;lt;TProjection&amp;gt;(IClientSessionHandle session, FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken)+(IClientSessionHandle session) =&amp;gt; { }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;TResult MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.UsingImplicitSession&amp;lt;TResult&amp;gt;(Func&amp;lt;IClientSessionHandle, TResult&amp;gt; func, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; MongoDB.Driver.MongoCollectionImpl&amp;lt;TDocument&amp;gt;.FindSync&amp;lt;TProjection&amp;gt;(FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; Dnet.Mongo.Fx.MongoCollectionDecorator&amp;lt;TDocument&amp;gt;.FindSyncImpl&amp;lt;TProjection&amp;gt;(FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken) in &#8230;/lib/Dnet.Mongo/Fx/Decorators/MongoCollectionDecorator`1.cs:line 893&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; Dnet.Mongo.Fx.MongoCollectionDecorator&amp;lt;TDocument&amp;gt;.FindSync&amp;lt;TProjection&amp;gt;(FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken)+() =&amp;gt; { } in &#8230;/lib/Dnet.Mongo/Fx/Decorators/MongoCollectionDecorator`1.cs:line 865&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;!Trace.Action&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; Dnet.Mongo.Fx.MongoCollectionDecorator&amp;lt;TDocument&amp;gt;.FindSync&amp;lt;TProjection&amp;gt;(FilterDefinition&amp;lt;TDocument&amp;gt; filter, FindOptions&amp;lt;TDocument, TProjection&amp;gt; options, CancellationToken cancellationToken) in &#8230;/lib/Dnet.Mongo/Fx/Decorators/MongoCollectionDecorator`1.cs:line 863&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;IAsyncCursor&amp;lt;TProjection&amp;gt; MongoDB.Driver.FindFluent&amp;lt;TDocument, TProjection&amp;gt;.ToCursor(CancellationToken cancellationToken)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Thanks for looking at this =)&lt;/p&gt;</description>
                <environment>.NET Framework 4.8 on Windows x64&lt;br/&gt;
MongoDB 4.2.6 on Linux x64</environment>
        <key id="1623589">CSHARP-3426</key>
            <summary>Replicaset failover leads to a batch of errors even with retryable writes on</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="5">Cannot Reproduce</resolution>
                                        <assignee username="james.kovacs@mongodb.com">James Kovacs</assignee>
                                    <reporter username="onyxmaster">Aristarkh Zagorodnikov</reporter>
                        <labels>
                    </labels>
                <created>Mon, 15 Feb 2021 06:56:22 +0000</created>
                <updated>Fri, 19 Feb 2021 12:59:07 +0000</updated>
                            <resolved>Thu, 18 Feb 2021 20:26:01 +0000</resolved>
                                    <version>2.11.6</version>
                                                    <component>Connectivity</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3624794" author="onyxmaster" created="Fri, 19 Feb 2021 12:59:07 +0000"  >&lt;p&gt;James, thank you very much for the detailed response.&lt;/p&gt;</comment>
                            <comment id="3623868" author="james.kovacs" created="Thu, 18 Feb 2021 20:16:41 +0000"  >&lt;p&gt;Hi, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=onyxmaster&quot; class=&quot;user-hover&quot; rel=&quot;onyxmaster&quot;&gt;onyxmaster&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;We have investigated this issue and it originates from the server. Here is the relevant portion of the error message:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Cache Reader No keys found for HMAC that is valid for time: { ts: Timestamp(1613369050, 99) } with id: 6893426160802201667&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;This server error indicates that the &lt;tt&gt;mongod&lt;/tt&gt; received a command from the .NET/C# driver with a &lt;tt&gt;$clusterTime&lt;/tt&gt; signed using key &lt;tt&gt;6893426160802201667&lt;/tt&gt;. (&lt;tt&gt;$clusterTime&lt;/tt&gt; was introduced in MongoDB 3.6 to implement causally consistent sessions and provides a cluster-wide, monotonically-increasing Lampert clock.) The &lt;tt&gt;mongod&lt;/tt&gt; attempted to look up the signing key in &lt;tt&gt;admin.system.keys&lt;/tt&gt; but could not find it resulting in this error.&lt;/p&gt;

&lt;p&gt;The keys in &lt;tt&gt;admin.system.keys&lt;/tt&gt; should be synchronized automatically by your cluster. Signing keys are generated 90 days in advance and are never deleted. When signing the &lt;tt&gt;$clusterTime&lt;/tt&gt;, the earliest valid signing key is used. As well the .NET/C# driver simply echoes the highest &lt;tt&gt;$clusterTime&lt;/tt&gt; observed back to the cluster nodes with each command. All indications are that this is a server-related issue and not a driver-related one.&lt;/p&gt;

&lt;p&gt;To investigate this server issue, you have a variety of support options:&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Our MongoDB support portal, located at &lt;a href=&quot;https://support.mongodb.com/welcome&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;support.mongodb.com&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;Our MongoDB community portal, located &lt;a href=&quot;https://developer.mongodb.com/community/forums/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;If you are an Atlas customer, you can review your support options by clicking &lt;tt&gt;Support&lt;/tt&gt; in the top menu bar of the Atlas UI.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Sincerely,&lt;br/&gt;
James&lt;/p&gt;</comment>
                            <comment id="3623215" author="esha.bhargava" created="Thu, 18 Feb 2021 16:12:54 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=onyxmaster&quot; class=&quot;user-hover&quot; rel=&quot;onyxmaster&quot;&gt;onyxmaster&lt;/a&gt; Thank you for reporting this issue! We&apos;ll look into it and get back to you soon. &lt;/p&gt;</comment>
                            <comment id="3615757" author="onyxmaster" created="Mon, 15 Feb 2021 06:58:40 +0000"  >&lt;p&gt;s/defeats the purpose of retryable writes/defeats the purpose of retryable ops/&lt;/p&gt;</comment>
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