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    <title>MongoDB Jira</title>
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    <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-879] No Such Host Is Known / Server IP ***.****.****.**** is no longer connected</title>
                <link>https://jira.mongodb.org/browse/CSHARP-879</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;I&apos;ve attached a code snippet here &lt;a href=&quot;http://pastebin.com/L9DQupxZ&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://pastebin.com/L9DQupxZ&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;We&apos;ve been experiencing connection issues in our production application since switching to C# for our main mongo processing tool.&lt;/p&gt;

&lt;p&gt;After a large read i.e select all from table (8000 Documents) the c# driver throws a &apos;no host is known&apos; error and crashes or a &apos;server ip- xxx.xxx.xxx is no longer connected&apos;&lt;/p&gt;

&lt;p&gt;In the aftermath of this event I decided to test our database by inserting a large number of records using a very simple c# console application as shown in the screenshot attached it makes about 100 - 150 inserts and then throws the same error continues to fail inserts a few more records and then fails constantly forever.&lt;/p&gt;

&lt;p&gt;This occurs on a Mongo DB instance Setup on Amazons EC2 it also Occurs on a free MongoLab DB and a High Availability MongoLab DB&lt;/p&gt;</description>
                <environment>Local, Azure, EC2</environment>
        <key id="102829">CSHARP-879</key>
            <summary>No Such Host Is Known / Server IP ***.****.****.**** is no longer connected</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="9">Done</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="rm2kdev">Ryan Lamvohee</reporter>
                        <labels>
                            <label>AWS</label>
                            <label>Azure</label>
                            <label>ConnectionFailure</label>
                            <label>EC2</label>
                    </labels>
                <created>Tue, 17 Dec 2013 02:34:13 +0000</created>
                <updated>Thu, 20 Mar 2014 14:37:49 +0000</updated>
                            <resolved>Tue, 17 Dec 2013 12:32:30 +0000</resolved>
                                    <version>1.8.3</version>
                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="471751" author="craiggwilson" created="Tue, 17 Dec 2013 12:32:30 +0000"  >&lt;p&gt;Glad it all worked out...&lt;/p&gt;</comment>
                            <comment id="471617" author="rm2kdev" created="Tue, 17 Dec 2013 03:21:19 +0000"  >&lt;p&gt;Hello Everyone,&lt;/p&gt;

&lt;p&gt;We&apos;ve resolved this issue now.&lt;/p&gt;

&lt;p&gt;The problem was we used the mongo console app to create the replica sets on the databases which put in the local machines ec2 ip address in the format of ip-xxx-xxx-xxx-xxx:port when switching this out to the public Elastic IP Address the connection issues resolved themselvs.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="35464" name="MongoErrors.png" size="63064" author="rm2kdev" created="Tue, 17 Dec 2013 02:34:13 +0000"/>
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