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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-34084] WiredTiger.wt file corrupted and cannot recover</title>
                <link>https://jira.mongodb.org/browse/SERVER-34084</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;My mongodb data got corrupted and I couldn&apos;t restore it. Kindly help me to restore the datas.&lt;/p&gt;

&lt;p&gt;Error:&lt;br/&gt;
2018-03-23T16:50:44.490+0530 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Detected data files in /var/lib/mongodata created by the &apos;wiredTiger&apos; storage engine, so setting the$&lt;br/&gt;
2018-03-23T16:50:44.491+0530 I STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; wiredtiger_open config: create,cache_size=8G,session_max=20000,eviction=(threads_min=4,threads_max=4$&lt;br/&gt;
2018-03-23T16:50:44.520+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (-31802) &lt;span class=&quot;error&quot;&gt;&amp;#91;1521804044:520514&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;5696:0x7f26780eccc0&amp;#93;&lt;/span&gt;, txn-recover: unsupported WiredTiger fi$&lt;br/&gt;
2018-03-23T16:50:44.520+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1521804044:520594&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;5696:0x7f26780eccc0&amp;#93;&lt;/span&gt;, txn-recover: WiredTiger is unable to read t$&lt;br/&gt;
2018-03-23T16:50:44.520+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1521804044:520618&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;5696:0x7f26780eccc0&amp;#93;&lt;/span&gt;, txn-recover: This may be due to the log fil$&lt;br/&gt;
2018-03-23T16:50:44.520+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1521804044:520639&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;5696:0x7f26780eccc0&amp;#93;&lt;/span&gt;, txn-recover: You should confirm that you ha$&lt;br/&gt;
2018-03-23T16:50:44.520+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (-31802) &lt;span class=&quot;error&quot;&gt;&amp;#91;1521804044:520668&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;5696:0x7f26780eccc0&amp;#93;&lt;/span&gt;, txn-recover: Recovery failed: WT_ERROR$&lt;br/&gt;
2018-03-23T16:50:44.524+0530 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2018-03-23T16:50:44.524+0530 I STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating&lt;br/&gt;
2018-03-23T16:50:44.524+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; dbexit:  rc: 100&lt;/p&gt;

</description>
                <environment>Ubuntu trusty 14.04, Mongo version 3.2.19 </environment>
        <key id="515598">SERVER-34084</key>
            <summary>WiredTiger.wt file corrupted and cannot recover</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="kelsey.schubert@mongodb.com">Kelsey Schubert</assignee>
                                    <reporter username="sharmila">sharmila</reporter>
                        <labels>
                    </labels>
                <created>Fri, 23 Mar 2018 11:46:54 +0000</created>
                <updated>Mon, 23 Apr 2018 21:59:50 +0000</updated>
                            <resolved>Tue, 27 Mar 2018 13:09:26 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1846135" author="sharmila" created="Tue, 27 Mar 2018 06:30:31 +0000"  >&lt;p&gt;Hi Kelsey T Schubert,&lt;br/&gt;
Thank you so much. After updating to the latest version it got to work.&lt;/p&gt;</comment>
                            <comment id="1846130" author="sharmila" created="Tue, 27 Mar 2018 06:15:57 +0000"  >&lt;p&gt;Sure, Let me check and update it now.&lt;/p&gt;</comment>
                            <comment id="1846125" author="thomas.schubert" created="Tue, 27 Mar 2018 06:04:20 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sharmila&quot; class=&quot;user-hover&quot; rel=&quot;sharmila&quot;&gt;sharmila&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;This error generally indicates that the files were on a mongod running with feature compatibility version 3.6. What do the logs show if you start with with the latest version of mongod, MongoDB 3.6.3?&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Kelsey&lt;/p&gt;</comment>
                            <comment id="1846106" author="sharmila" created="Tue, 27 Mar 2018 05:04:21 +0000"  >&lt;p&gt;Hi Kelsey T Schubert,&lt;br/&gt;
Can you please help me on this issue. It&apos;s very emergency. I even tired mongod repair but didn&apos;t work..&lt;/p&gt;</comment>
                            <comment id="1844731" author="sharmila" created="Mon, 26 Mar 2018 06:52:47 +0000"  >&lt;p&gt;Here is the full log :&lt;/p&gt;

&lt;p&gt;2018-03-26T12:18:28.594+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;main&amp;#93;&lt;/span&gt; ***** SERVER RESTARTED *****&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; MongoDB starting : pid=2252 port=6987 dbpath=/var/lib/mongodata 64-bit host=iptv&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; db version v3.2.19&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; git version: a9f574de6a566a58b24d126b44a56718d181e989&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; OpenSSL version: OpenSSL 1.0.1f 6 Jan 2014&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; allocator: tcmalloc&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; modules: none&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; build environment:&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt;     distmod: ubuntu1404&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt;     distarch: x86_64&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt;     target_arch: x86_64&lt;br/&gt;
2018-03-26T12:18:28.603+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; options: { config: &quot;/etc/mongod.conf&quot;, net: &lt;/p&gt;
{ bindIp: &quot;127.0.0.1&quot;, port: 6987 }
&lt;p&gt;, security: &lt;/p&gt;
{ authorization: &quot;enabled&quot; }
&lt;p&gt;, storage: { dbPath: &quot;/var/lib/mongodata&quot;, journal: &lt;/p&gt;
{ enabled: true }
&lt;p&gt; }, systemLog: &lt;/p&gt;
{ destination: &quot;file&quot;, logAppend: true, path: &quot;/var/log/mongodb/mongod.log&quot; }
&lt;p&gt; }&lt;br/&gt;
2018-03-26T12:18:28.657+0530 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Detected data files in /var/lib/mongodata created by the &apos;wiredTiger&apos; storage engine, so setting the active storage engine to &apos;wiredTiger&apos;.&lt;br/&gt;
2018-03-26T12:18:28.657+0530 I STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; wiredtiger_open config: create,cache_size=8G,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),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),verbose=(recovery_progress),&lt;br/&gt;
2018-03-26T12:18:28.702+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (-31802) &lt;span class=&quot;error&quot;&gt;&amp;#91;1522046908:702792&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;2252:0x7f59144e8cc0&amp;#93;&lt;/span&gt;, txn-recover: unsupported WiredTiger file version: this build  only supports major/minor versions up to 1/0,  and the file is version 2/0: WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2018-03-26T12:18:28.702+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1522046908:702873&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;2252:0x7f59144e8cc0&amp;#93;&lt;/span&gt;, txn-recover: WiredTiger is unable to read the recovery log.&lt;br/&gt;
2018-03-26T12:18:28.702+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1522046908:702907&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;2252:0x7f59144e8cc0&amp;#93;&lt;/span&gt;, txn-recover: This may be due to the log files being encrypted, being from an older version or due to corruption on disk&lt;br/&gt;
2018-03-26T12:18:28.702+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1522046908:702930&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;2252:0x7f59144e8cc0&amp;#93;&lt;/span&gt;, txn-recover: You should confirm that you have opened the database with the correct options including all encryption and compression options&lt;br/&gt;
2018-03-26T12:18:28.702+0530 E STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (-31802) &lt;span class=&quot;error&quot;&gt;&amp;#91;1522046908:702960&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;2252:0x7f59144e8cc0&amp;#93;&lt;/span&gt;, txn-recover: Recovery failed: WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2018-03-26T12:18:28.706+0530 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2018-03-26T12:18:28.706+0530 I STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating&lt;br/&gt;
2018-03-26T12:18:28.706+0530 I CONTROL  &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; dbexit:  rc: 100&lt;/p&gt;</comment>
                            <comment id="1843394" author="thomas.schubert" created="Fri, 23 Mar 2018 15:55:59 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sharmila&quot; class=&quot;user-hover&quot; rel=&quot;sharmila&quot;&gt;sharmila&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;It looks like the logs got cut off after a certain line length. Would you please upload the complete logs from when the mongod instance was first started?&lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Kelsey&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="182507" name="WiredTiger.turtle" size="1053" author="sharmila" created="Fri, 23 Mar 2018 11:49:37 +0000"/>
                            <attachment id="182508" name="WiredTiger.wt" size="167936" author="sharmila" created="Fri, 23 Mar 2018 11:49:38 +0000"/>
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