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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>[CSHARP-2868] maxIdleTimeMS implementation does not adhere to the specification</title>
                <link>https://jira.mongodb.org/browse/CSHARP-2868</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;Not sure if this is a big issue or not, but here it is. &lt;a href=&quot;https://github.com/mongodb/specifications/blob/86d332f895807007081652fb283e2bb48f76151e/source/connection-monitoring-and-pooling/connection-monitoring-and-pooling.rst#id15&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;The spec says&lt;/a&gt; that the default value for &lt;tt&gt;maxIdleTimeMS&lt;/tt&gt; should be 0. The C# driver however does not accept 0, but throws an exception instead:&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;
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						&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;Exception caught Value is not greater than zero: 00:00:00.&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;Parameter name: maxIdleTime&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;Also, &lt;tt&gt;maxIdleTimeMS&lt;/tt&gt; if specified in the URI, translates into &lt;tt&gt;maxConnectionLifeTime&lt;/tt&gt;, but not into &lt;tt&gt;maxConnectionIdleTime&lt;/tt&gt;, which seems confusing:&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;static String uri = &quot;mongodb://admin:123@mubuntu:27017/test?authSource=admin&amp;amp;minPoolSize=10&amp;amp;maxIdleTimeMS=0&quot;;&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;&amp;nbsp;&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;var mongoUrl = MongoUrl.Create(uri);&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;var settings = MongoClientSettings.FromUrl(mongoUrl);&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;&amp;nbsp;&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;Console.WriteLine(&quot;maxConnectionIdleTime: &quot; + settings.MaxConnectionLifeTime);&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;Console.WriteLine(&quot;maxConnectionLifeTime &quot; + settings.MaxConnectionIdleTime);&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;The above code produces:&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;maxConnectionIdleTime: 00:30:00&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;maxConnectionLifeTime 00:00:00&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="1041572">CSHARP-2868</key>
            <summary>maxIdleTimeMS implementation does not adhere to the specification</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="dmitry.ryabtsev@mongodb.com">Dmitry Ryabtsev</reporter>
                        <labels>
                    </labels>
                <created>Mon, 9 Dec 2019 03:45:14 +0000</created>
                <updated>Thu, 31 Mar 2022 00:20:06 +0000</updated>
                                                                            <component>Connectivity</component>
                                        <votes>2</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="3941893" author="JIRAUSER1261179" created="Wed, 14 Jul 2021 18:45:23 +0000"  >&lt;p&gt;I also ran into this disconnect with the spec, and I tried passing in a null as mentioned above, but... Timespan is a struct, and so it cannot take a null value. &#160;Trying Timespan.MaxValue also did not work because of some internal math overflow issues. &#160;I have settled on a 10,000 day timeout as a stop gap, but it seems like Timespan.Zero is the right way to specify &quot;no timeout&quot; given the spec.&lt;/p&gt;</comment>
                            <comment id="2721879" author="dmitry.lukyanov" created="Mon, 13 Jan 2020 15:07:28 +0000"  >&lt;p&gt;&amp;gt;Correct me if I&apos;m wrong, but I was under the impression that the whole purpose of having the drivers spec&apos;ed so that their behaviour could be standartized.&lt;/p&gt;

&lt;p&gt;in general, it&apos;s close to true, but each driver can implement requirements not literally the same as described in the spec in case if the required spec modification arises based on the specifics of the particular language (and of course if the difference with the spec is not important and the modified spec part is not the target of the spec ticket).&lt;/p&gt;

&lt;p&gt;In this particular case, the changes are related to the fact that C# allows optional parameters, but Java doesn&apos;t allow it. &lt;/p&gt;

&lt;p&gt;cc: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=rstam&quot; class=&quot;user-hover&quot; rel=&quot;rstam&quot;&gt;rstam&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2605846" author="dmitry.lukyanov" created="Fri, 13 Dec 2019 12:59:11 +0000"  >&lt;p&gt;Hello &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dmitry.ryabtsev&quot; class=&quot;user-hover&quot; rel=&quot;dmitry.ryabtsev&quot;&gt;dmitry.ryabtsev&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;please note, you made an error in showing results (mixed up values). If you fix it, the results in &lt;em&gt;MaxConnectionLifeTime&lt;/em&gt; and &lt;em&gt;MaxConnectionIdleTime&lt;/em&gt; will be expected.&lt;/p&gt;

&lt;p&gt;As for the first part of your question, it&apos;s true that we will throw the error for 0, but not sure that we need to fix it, C# allows nullable types, so the most natural way in c# to show that no limit has been specified is null. Also many .NET APIs interpret a 0 timeout NOT as &quot;no limit&quot; but as timeout immediately unless the operation can be completed without blocking.&lt;/p&gt;

&lt;p&gt;In order to avoid confusion we decided not to allow 0.&lt;/p&gt;

&lt;p&gt;cc: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=rstam&quot; class=&quot;user-hover&quot; rel=&quot;rstam&quot;&gt;rstam&lt;/a&gt;, &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jeff.yemin&quot; class=&quot;user-hover&quot; rel=&quot;jeff.yemin&quot;&gt;jeff.yemin&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
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