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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-17043] Replication code does not retry interrupted system call</title>
                <link>https://jira.mongodb.org/browse/SERVER-17043</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While debugging an issue involving a replica set using gdb got the following error:&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;2015-01-25T16:10:05.936-0500 W NETWORK  [ReplExecNetThread-0] Failed to connect to 127.0.0.1:27117, reason: errno:4 Interrupted system call&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;2015-01-25T16:10:05.936-0500 I REPL     [ReplicationExecutor] Error in heartbeat request to localhost:27117; Location18915 Failed attempt to connect to localhost:27117; couldn&apos;t connect to server localhost:27117 (127.0.0.1), connection attempt failed&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;2015-01-25T16:10:05.936-0500 I REPL     [ReplicationExecutor] can&apos;t see a majority of the set, relinquishing primary&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;2015-01-25T16:10:05.936-0500 I REPL     [ReplicationExecutor] Stepping down from primary in response to heartbeat&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;2015-01-25T16:10:05.936-0500 I REPL     [replCallbackWithGlobalLock-0] transition to SECONDARY&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="180698">SERVER-17043</key>
            <summary>Replication code does not retry interrupted system call</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="andrew.morrow@mongodb.com">Andrew Morrow</assignee>
                                    <reporter username="bruce.lucas@mongodb.com">Bruce Lucas</reporter>
                        <labels>
                    </labels>
                <created>Sun, 25 Jan 2015 21:19:09 +0000</created>
                <updated>Fri, 18 Sep 2015 22:39:41 +0000</updated>
                            <resolved>Tue, 17 Feb 2015 18:29:06 +0000</resolved>
                                    <version>3.0.0-rc6</version>
                                    <fixVersion>3.0.0-rc9</fixVersion>
                    <fixVersion>3.1.0</fixVersion>
                                    <component>Networking</component>
                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="832363" author="xgen-internal-githook" created="Thu, 19 Feb 2015 00:38:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-17043&quot; title=&quot;Replication code does not retry interrupted system call&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-17043&quot;&gt;&lt;del&gt;SERVER-17043&lt;/del&gt;&lt;/a&gt; Reattempt failed socket connect when errno is EINTR&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 490b0b2b14fa14b463ef612b79386d20d95b4057)&lt;br/&gt;
Branch: v3.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/77c54935ee0890fb2c00ef84727b0b5ca5a1e9a1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/77c54935ee0890fb2c00ef84727b0b5ca5a1e9a1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="830796" author="xgen-internal-githook" created="Tue, 17 Feb 2015 18:27:51 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;acmorrow&apos;, u&apos;name&apos;: u&apos;Andrew Morrow&apos;, u&apos;email&apos;: u&apos;acm@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-17043&quot; title=&quot;Replication code does not retry interrupted system call&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-17043&quot;&gt;&lt;del&gt;SERVER-17043&lt;/del&gt;&lt;/a&gt; Reattempt failed socket connect when errno is EINTR&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/490b0b2b14fa14b463ef612b79386d20d95b4057&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/490b0b2b14fa14b463ef612b79386d20d95b4057&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="826395" author="bruce.lucas@10gen.com" created="Tue, 10 Feb 2015 23:45:42 +0000"  >&lt;p&gt;The problem is in ConnectBG::run in sock.cpp - the call to ::connect() isn&apos;t retried in case of EINTR.&lt;/p&gt;</comment>
                            <comment id="826378" author="bruce.lucas@10gen.com" created="Tue, 10 Feb 2015 23:29:07 +0000"  >&lt;p&gt;Log attached. There&apos;s nothing in the log prior to the complaint about the interrupted system call that causes the primary to step down. A couple other system calls report being interrupted and retried.&lt;/p&gt;</comment>
                            <comment id="812763" author="scotthernandez" created="Sun, 25 Jan 2015 21:37:19 +0000"  >&lt;p&gt;Please include the logs from before here. If this happened after the timeout period then it will not be retried, as it is designed and intended.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="64390" name="mongod.log" size="22446" author="bruce.lucas@mongodb.com" created="Tue, 10 Feb 2015 23:29:07 +0000"/>
                    </attachments>
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