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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-2805] Problems on chunk split with 1.8.0 rc2</title>
                <link>https://jira.mongodb.org/browse/SERVER-2805</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Fri Mar 18 18:05:05 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; dist_lock pinged successfully for: OBE017.local:1300448993:1804289383&lt;br/&gt;
Fri Mar 18 18:06:06 &lt;span class=&quot;error&quot;&gt;&amp;#91;mongosMain&amp;#93;&lt;/span&gt; connection accepted from 62.212.84.220:60590 #34&lt;br/&gt;
Fri Mar 18 18:10:05 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; dist_lock pinged successfully for: OBE017.local:1300448993:1804289383&lt;br/&gt;
Fri Mar 18 18:15:05 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; dist_lock pinged successfully for: OBE017.local:1300448993:1804289383&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn24&amp;#93;&lt;/span&gt; autosplitted crawler.ad shard: ns:crawler.ad at: partitionB:partitionB/flash,gordon:27018 lastmod: 138|0 min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt; max: &lt;/p&gt;
{ _id: 662009883156 }
&lt;p&gt; on: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;(splitThreshold 209715200)&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn24&amp;#93;&lt;/span&gt; update failed b/c of StaleConfigException, retrying  left:4 ns: crawler.ad query: &lt;/p&gt;
{ _id: 662009274178 }
&lt;p&gt;Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; ns: crawler.ad ClusteredCursor::query ShardConnection had to change attempt: 0&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;flash:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;gordon:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;mara:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;flash:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;gordon:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;mara:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt;      setShardVersion failed: &lt;/p&gt;
{ errmsg: &quot;not master&quot;, ok: 0.0 }
&lt;p&gt;Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; Assertion: 10429:setShardVersion failed! &lt;/p&gt;
{ &quot;errmsg&quot; : &quot;not master&quot;, &quot;ok&quot; : 0 }
&lt;p&gt;0x522c19 0x69ee23 0x69e90b 0x69e90b 0x69e90b 0x5799e6 0x57a2f6 0x57781d 0x6680b6 0x67ae11 0x5817a2 0x6a26f0 0x30e920673d 0x30e8ad3f6d&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo11msgassertedEiPKc+0x129) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x522c19&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69ee23&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5boost6detail8function17function_invoker4IPFbRN5mongo12DBClientBaseERKSsbiEbS5_S7_biE6invokeERNS1_15function_bufferES5_S7_bi+0x16) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5799e6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo17ClientConnections13checkVersionsERKSs+0x1c6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x57a2f6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo15ShardConnection25checkMyConnectionVersionsERKSs+0x3d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x57781d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo7Request7processEi+0x5e6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6680b6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x141) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x67ae11&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo3pms9threadRunEPNS_13MessagingPortE+0x272) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5817a2&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(thread_proxy+0x80) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6a26f0&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libpthread.so.0 &lt;span class=&quot;error&quot;&gt;&amp;#91;0x30e920673d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(clone+0x6d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x30e8ad3f6d&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; AssertionException in process: setShardVersion failed! &lt;/p&gt;
{ &quot;errmsg&quot; : &quot;not master&quot;, &quot;ok&quot; : 0 }
&lt;p&gt;Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; ns: crawler.ad ClusteredCursor::query ShardConnection had to change attempt: 0&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;flash:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;gordon:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;mara:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt;      setShardVersion failed: &lt;/p&gt;
{ errmsg: &quot;not master&quot;, ok: 0.0 }
&lt;p&gt;Fri Mar 18 18:18:11 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn28&amp;#93;&lt;/span&gt; Assertion: 10429:setShardVersion failed! &lt;/p&gt;
{ &quot;errmsg&quot; : &quot;not master&quot;, &quot;ok&quot; : 0 }
&lt;p&gt;0x522c19 0x69ee23 0x69e90b 0x69e90b 0x69e90b 0x5799e6 0x57a2f6 0x57781d 0x6680b6 0x67ae11 0x5817a2 0x6a26f0 0x30e920673d 0x30e8ad3f6d&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo11msgassertedEiPKc+0x129) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x522c19&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69ee23&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos &lt;span class=&quot;error&quot;&gt;&amp;#91;0x69e90b&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5boost6detail8function17function_invoker4IPFbRN5mongo12DBClientBaseERKSsbiEbS5_S7_biE6invokeERNS1_15function_bufferES5_S7_bi+0x16) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5799e6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo17ClientConnections13checkVersionsERKSs+0x1c6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x57a2f6&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo15ShardConnection25checkMyConnectionVersionsERKSs+0x3d) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x57781d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /opt/mongo/bin/mongos(_ZN5mongo7Request7processEi+0x5e6) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x6680b6&amp;#93;&lt;/span&gt;&lt;/p&gt;

&lt;p&gt; ... ad infinitum. Until restarted.&lt;/p&gt;


&lt;p&gt;On partitionB mongod log  I&apos;ve found this around the same time:&lt;/p&gt;

&lt;p&gt;...&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1195&amp;#93;&lt;/span&gt; end connection 95.211.11.30:33282&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1200&amp;#93;&lt;/span&gt; end connection 95.211.11.30:33292&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1366&amp;#93;&lt;/span&gt; end connection 95.211.11.30:49865&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 95.211.11.30:35538 #1498&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; request split points lookup for chunk crawler.ad { : 662009843887 } --&amp;gt;&amp;gt; { : 10000068480361 }&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 94.75.192.38:33921 #1499&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1499&amp;#93;&lt;/span&gt; end connection 94.75.192.38:33921&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; max number of requested split points reached (2) before the end of chunk crawler.ad { : 662009843887 } --&amp;gt;&amp;gt; { : 10000068480361 }&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; warning: Finding the split vector for crawler.ad over &lt;/p&gt;
{ _id: 1.0 }
&lt;p&gt; keyCount: 39243 numSplits: 2 lookedAt: 0 took 117ms&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: { splitVector: &quot;crawler.ad&quot;, keyPattern: &lt;/p&gt;
{ _id: 1.0 }
&lt;p&gt;, min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;, maxChunkSizeBytes: 209715200, maxSplitPoints: 2, maxChunkObjects: 250000 } reslen:111 117ms&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;flash:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;gordon:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;mara:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; updated set (partitionB) to: partitionB/flash,gordon:27018&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 95.211.11.30:35543 #1500&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 95.211.11.30:35544 #1501&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; received splitChunk request: { splitChunk: &quot;crawler.ad&quot;, keyPattern: &lt;/p&gt;
{ _id: 1.0 }
&lt;p&gt;, min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;, from: &quot;partitionB/flash,gordon:27018&quot;, splitKeys: [ &lt;/p&gt;
{ _id: 662009883156 }
&lt;p&gt; ], shardId: &quot;crawler.ad-_id_662009843887&quot;, configdb: &quot;flash:27019,gordon:27019,mara:27019&quot; }&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; creating dist lock ping thread for: flash:27019,gordon:27019,mara:27019&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;flash:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;gordon:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; SyncClusterConnection connecting to &lt;span class=&quot;error&quot;&gt;&amp;#91;mara:27019&amp;#93;&lt;/span&gt;&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; splitChunk accepted at version 138|0&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; about to log metadata event: { _id: &quot;OBE017.local-2011-03-18T17:18:09-1&quot;, server: &quot;OBE017.local&quot;, clientAddr: &quot;95.211.11.30:35538&quot;, time: new Date(1300468689635), what: &quot;split&quot;, ns: &quot;crawler.ad&quot;, details: { before: { min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;, lastmod: Timestamp 138000|0 }, left: { min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 662009883156 }
&lt;p&gt;, lastmod: Timestamp 138000|2 }, right: { min: &lt;/p&gt;
{ _id: 662009883156 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;, lastmod: Timestamp 138000|3 } } }&lt;br/&gt;
Fri Mar 18 18:18:09 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1498&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: { splitChunk: &quot;crawler.ad&quot;, keyPattern: &lt;/p&gt;
{ _id: 1.0 }
&lt;p&gt;, min: &lt;/p&gt;
{ _id: 662009843887 }
&lt;p&gt;, max: &lt;/p&gt;
{ _id: 10000068480361 }
&lt;p&gt;, from: &quot;partitionB/flash,gordon:27018&quot;, splitKeys: [ &lt;/p&gt;
{ _id: 662009883156 }
&lt;p&gt; ], shardId: &quot;crawler.ad-_id_662009843887&quot;, configdb: &quot;flash:27019,gordon:27019,mara:27019&quot; } reslen:53 487ms&lt;br/&gt;
Fri Mar 18 18:19:00 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1191&amp;#93;&lt;/span&gt; insert crawler.ad 390ms&lt;br/&gt;
Fri Mar 18 18:19:24 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn159&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;4d249c0f2daa327869f816c7&apos;) }
&lt;p&gt; reslen:60 300048ms&lt;br/&gt;
Fri Mar 18 18:19:24 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn163&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;4d249b1d816216524426d17b&apos;) }
&lt;p&gt; reslen:60 300048ms&lt;br/&gt;
Fri Mar 18 18:19:56 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1183&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;4d8346e06ab0f7d672b0b2f2&apos;) }
&lt;p&gt; reslen:60 300048ms&lt;br/&gt;
Fri Mar 18 18:20:25 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 94.75.192.38:33966 #1502&lt;br/&gt;
Fri Mar 18 18:20:25 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1502&amp;#93;&lt;/span&gt; end connection 94.75.192.38:33966&lt;br/&gt;
Fri Mar 18 18:20:34 &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; connection accepted from 94.75.192.38:33980 #1503&lt;br/&gt;
Fri Mar 18 18:20:34 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1503&amp;#93;&lt;/span&gt; end connection 94.75.192.38:33980&lt;br/&gt;
Fri Mar 18 18:21:54 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1187&amp;#93;&lt;/span&gt; insert crawler.ad 278ms&lt;br/&gt;
Fri Mar 18 18:22:30 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn5&amp;#93;&lt;/span&gt; query admin.$cmd ntoreturn:1 command: &lt;/p&gt;
{ writebacklisten: ObjectId(&apos;4d7f606edff5ce55c0758754&apos;) }
&lt;p&gt; reslen:60 300047ms&lt;br/&gt;
Fri Mar 18 18:22:39 &lt;span class=&quot;error&quot;&gt;&amp;#91;LockPinger&amp;#93;&lt;/span&gt; dist_lock pinged successfully for: OBE017.local:1300468689:1182095420&lt;br/&gt;
Fri Mar 18 18:22:52 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1190&amp;#93;&lt;/span&gt; insert crawler.ad 154ms&lt;br/&gt;
...&lt;br/&gt;
Then, for some time (I think until mongos restart, but not sure) keeps saying this mixed with normal logs:&lt;/p&gt;

&lt;p&gt;Fri Mar 18 18:46:45 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1529&amp;#93;&lt;/span&gt; request split points lookup for chunk crawler.ad { : 10662019454956 } --&amp;gt;&amp;gt; { : MaxKey }&lt;br/&gt;
Fri Mar 18 18:46:47 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1529&amp;#93;&lt;/span&gt; request split points lookup for chunk crawler.ad { : 10662019454956 } --&amp;gt;&amp;gt; { : MaxKey }&lt;br/&gt;
Fri Mar 18 18:46:47 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1529&amp;#93;&lt;/span&gt; request split points lookup for chunk crawler.ad { : 10662019454956 } --&amp;gt;&amp;gt; { : MaxKey }&lt;br/&gt;
Fri Mar 18 18:46:49 &lt;span class=&quot;error&quot;&gt;&amp;#91;conn1529&amp;#93;&lt;/span&gt; request split points lookup for chunk crawler.ad { : 10662019454956 } --&amp;gt;&amp;gt; { : MaxKey }&lt;br/&gt;
...&lt;/p&gt;

&lt;p&gt;But looks like no error appears anywhere on mongod logs (No error neither on config server logs)&lt;/p&gt;

&lt;p&gt;I&apos;ll try to use 1.8.0 instead of RC2, let&apos;s see.&lt;/p&gt;

&lt;p&gt;Post you if any change...&lt;/p&gt;</description>
                <environment></environment>
        <key id="15192">SERVER-2805</key>
            <summary>Problems on chunk split with 1.8.0 rc2</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="eliot">Eliot Horowitz</assignee>
                                    <reporter username="alvin">Alvin Richards</reporter>
                        <labels>
                    </labels>
                <created>Mon, 21 Mar 2011 12:51:04 +0000</created>
                <updated>Tue, 12 Jul 2016 00:17:44 +0000</updated>
                            <resolved>Tue, 26 Apr 2011 18:35:27 +0000</resolved>
                                    <version>1.8.0-rc2</version>
                                                                        <votes>1</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="29666" author="eliot" created="Tue, 26 Apr 2011 18:35:27 +0000"  >&lt;p&gt;See &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2961&quot; title=&quot;mongos may try to setShardVersion on a slave&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2961&quot;&gt;&lt;del&gt;SERVER-2961&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="26389" author="framegrace" created="Mon, 21 Mar 2011 15:51:13 +0000"  >&lt;p&gt;Just happened again.&lt;/p&gt;

&lt;p&gt;Any autosplit/split/chunk movement/node status change breaks one mongos server. (Only one, and always the same. I presume the one doing Balancer round?)&lt;/p&gt;</comment>
                            <comment id="26383" author="framegrace" created="Mon, 21 Mar 2011 14:25:14 +0000"  >&lt;p&gt;Everything running on 1.8.0 now.&lt;br/&gt;
Noticed that the same errors appears on any primary change.  I had the same problems while stopping services.&lt;/p&gt;</comment>
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