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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>
    </build-info>


<item>
            <title>[SERVER-36480] WiredTiger error</title>
                <link>https://jira.mongodb.org/browse/SERVER-36480</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;my mongo DB crashed suddenly and I have no idea how, when I tried to restart it, the error appears:&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; db version v3.6.0&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; git version: a57d8e71e6998a2d0afde7edc11bd23e5661c915&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; OpenSSL version: OpenSSL 1.0.1e-fips 11 Feb 2013&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; allocator: tcmalloc&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; modules: none&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; build environment:&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; distmod: rhel70&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; distarch: x86_64&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; target_arch: x86_64&lt;br/&gt;
2018-08-06T22:28:32.699-0700 I CONTROL &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; options: { net: &lt;/p&gt;
{ bindIp: &quot;127.0.0.1,10.196.182.32&quot;, port: 27018 }
&lt;p&gt;, storage: { dbPath: &quot;./db&quot; } }&lt;br/&gt;
2018-08-06T22:28:32.721-0700 W - &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Detected unclean shutdown - ./db/mongod.lock is not empty.&lt;br/&gt;
2018-08-06T22:28:32.722-0700 I - &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Detected data files in ./db created by the &apos;wiredTiger&apos; storage engine, so setting the active storage engine to &apos;wiredTiger&apos;.&lt;br/&gt;
2018-08-06T22:28:32.722-0700 W STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Recovering data from the last clean checkpoint.&lt;br/&gt;
2018-08-06T22:28:32.722-0700 I STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; wiredtiger_open config: create,cache_size=128318M,session_max=20000,eviction=(threads_min=4,threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),statistics_log=(wait=0),verbose=(recovery_progress),&lt;br/&gt;
2018-08-06T22:28:32.736-0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger error (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1533619712:736794&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;22136:0x7f6707bd5b00&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:WiredTiger.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:WiredTiger.wt&lt;/a&gt;, connection: WiredTiger.turtle: encountered an illegal file format or internal value: (__wt_turtle_read, 291)&lt;br/&gt;
2018-08-06T22:28:32.736-0700 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger error (-31804) &lt;span class=&quot;error&quot;&gt;&amp;#91;1533619712:736824&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;22136:0x7f6707bd5b00&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:WiredTiger.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:WiredTiger.wt&lt;/a&gt;, connection: the process must exit and restart: WT_PANIC: WiredTiger library panic&lt;br/&gt;
2018-08-06T22:28:32.736-0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Fatal Assertion 28558 at src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp 361&lt;br/&gt;
2018-08-06T22:28:32.736-0700 F - &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;the attached is the WiredTiger&#160;related files, I tried to repair them with:&#160;&lt;/p&gt;

&lt;p&gt;mongod --storageEngine wiredTiger --dbpath ./db --repair --port 27018&lt;/p&gt;

&lt;p&gt;but it did not work, could you please help to take a look?&lt;/p&gt;

&lt;p&gt;Thanks!&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="584730">SERVER-36480</key>
            <summary>WiredTiger error</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="4">Incomplete</resolution>
                                        <assignee username="nick.brewer">Nick Brewer</assignee>
                                    <reporter username="mzhang11">Zhang Meng</reporter>
                        <labels>
                            <label>envns</label>
                            <label>rge</label>
                            <label>trct</label>
                            <label>wtc</label>
                    </labels>
                <created>Tue, 7 Aug 2018 05:54:55 +0000</created>
                <updated>Sun, 4 Nov 2018 17:16:22 +0000</updated>
                            <resolved>Mon, 1 Oct 2018 20:37:07 +0000</resolved>
                                    <version>3.6.0</version>
                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2019760" author="nick.brewer" created="Mon, 1 Oct 2018 20:33:07 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=mzhang11&quot; class=&quot;user-hover&quot; rel=&quot;mzhang11&quot;&gt;mzhang11&lt;/a&gt; Since there&apos;s been no activity on this ticket in some time, I&apos;m going to close it. If you have a chance to update this ticket with the requested platform information, it would greatly assist in our tracking of this issue.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
-Nick&lt;/p&gt;</comment>
                            <comment id="2003789" author="nick.brewer" created="Fri, 14 Sep 2018 21:36:47 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=mzhang11&quot; class=&quot;user-hover&quot; rel=&quot;mzhang11&quot;&gt;mzhang11&lt;/a&gt; So that we can better categorize this issue, can you confirm if this machine is a VM, container, native hardware, etc?&lt;/p&gt;

&lt;p&gt;Thanks, &lt;br/&gt;
-Nick&lt;/p&gt;</comment>
                            <comment id="1970845" author="nick.brewer" created="Wed, 8 Aug 2018 20:26:51 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=mzhang11&quot; class=&quot;user-hover&quot; rel=&quot;mzhang11&quot;&gt;mzhang11&lt;/a&gt; There&apos;s an internal tool that we use to fix specific instances of WiredTiger metadata file corruption - it&apos;s not something we make publicly available at the moment as it can easily be misused.&lt;/p&gt;

&lt;p&gt;Is this a VM, container, etc?&#160;&lt;/p&gt;

&lt;p&gt;Thanks,&lt;/p&gt;

&lt;p&gt;Nick&lt;/p&gt;</comment>
                            <comment id="1969891" author="mzhang11" created="Wed, 8 Aug 2018 02:51:41 +0000"  >&lt;p&gt;Thanks for your reply,&#160;Nick.&lt;/p&gt;

&lt;p&gt;the power and the storage was fine(another&#160;mongo process on the same server was fine), and the log was overwritten when I tried to restart it, so I&apos;m not sure about the root cause...&lt;/p&gt;

&lt;p&gt;in fact, I have deleted all the DB files, and recovered the DB with the latest backup.&lt;/p&gt;

&lt;p&gt;could you please share something about how&#160;to repair the wierdTiger files, maybe next time I can try to repair it myself.&lt;/p&gt;</comment>
                            <comment id="1969237" author="nick.brewer" created="Tue, 7 Aug 2018 16:02:31 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=mzhang11&quot; class=&quot;user-hover&quot; rel=&quot;mzhang11&quot;&gt;mzhang11&lt;/a&gt; I can attempt to repair the files - before I do, I&apos;d like to confirm:&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;The underlying cause of the crash (power failure, disk corruption, etc)&lt;/li&gt;
	&lt;li&gt;The environment (native, virtualized, container)&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Thanks,&lt;br/&gt;
Nick&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="193451" name="WiredTiger.tar.gz" size="4316" author="mzhang11" created="Tue, 7 Aug 2018 05:54:48 +0000"/>
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