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<channel>
    <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-17940] Removal of Shard Causes Assertion in Mongos</title>
                <link>https://jira.mongodb.org/browse/SERVER-17940</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We have a sharded cluster with two shards. I added a third shard following the standard procedure. I removed the third shard following standard procedure next.&lt;/p&gt;

&lt;p&gt;Everything seemed fine with sh.status() except some of our mongos instances had the following crash/assert trying to look for that 3rd shard that I removed. &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;
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					&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;2015-04-08T20:30:05.120+0000 I -        [conn127] Assertion: 13129:can&apos;t find shard for: ib3_prod_rs2&lt;/span&gt;&lt;/pre&gt;
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						&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;2015-04-08T20:30:05.126+0000 I CONTROL  [conn127] &lt;/span&gt;&lt;/pre&gt;
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					&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; 0xa5ac19 0xa01b71 0x9e68ef 0x9e699c 0x970de5 0x8bc56b 0x8bccc3 0x91a5c6 0x9a336e 0x9a2f67 0x9a3d5c 0x9791aa 0x64251c 0x64a563 0x64e0b9 0x980849 0x96bdfa 0x5d6df8 0xa0dd9b 0x7f2d9c265f18 0x7f2d9ad26b2d&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;----- BEGIN BACKTRACE -----&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;{&quot;backtrace&quot;:[{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;65AC19&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;601B71&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5E68EF&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5E699C&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;570DE5&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;4BC56B&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;4BCCC3&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;51A5C6&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5A336E&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5A2F67&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5A3D5C&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;5791AA&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;24251C&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;24A563&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;24E0B9&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;580849&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;56BDFA&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;1D6DF8&quot;},{&quot;b&quot;:&quot;400000&quot;,&quot;o&quot;:&quot;60DD9B&quot;},{&quot;b&quot;:&quot;7F2D9C25E000&quot;,&quot;o&quot;:&quot;7F18&quot;},{&quot;b&quot;:&quot;7F2D9AC44000&quot;,&quot;o&quot;:&quot;E2B2D&quot;}],&quot;processInfo&quot;:{ &quot;mongodbVersion&quot; : &quot;3.0.1&quot;, &quot;gitVersion&quot; : &quot;534b5a3f9d10f00cd27737fbcd951032248b5952&quot;, &quot;uname&quot; : { &quot;sysname&quot; : &quot;Linux&quot;, &quot;release&quot; : &quot;3.14.35-28.38.amzn1.x86_64&quot;, &quot;version&quot; : &quot;#1 SMP Wed Mar 11 22:50:37 UTC 2015&quot;, &quot;machine&quot; : &quot;x86_64&quot; }, &quot;somap&quot; : [ { &quot;elfType&quot; : 2, &quot;b&quot; : &quot;400000&quot;, &quot;buildId&quot; : &quot;E491F456D9C74A318783ACEF59814D6F7290912B&quot; }, { &quot;b&quot; : &quot;7FFE41052000&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;8DD7A7F645E37D599573A937DBAA3E931F55DE40&quot; }, { &quot;b&quot; : &quot;7F2D9C25E000&quot;, &quot;path&quot; : &quot;/lib64/libpthread.so.0&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;A8E8015F84374807F6920DF95D16BBAAAC02AB41&quot; }, { &quot;b&quot; : &quot;7F2D9BFF1000&quot;, &quot;path&quot; : &quot;/usr/lib64/libssl.so.10&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;A5C6FCE56D21542B9535D5FBCFE74EBA71D24613&quot; }, { &quot;b&quot; : &quot;7F2D9BC0D000&quot;, &quot;path&quot; : &quot;/lib64/libcrypto.so.10&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;75565934551BECB21A027BE0A3AE28A62AEEB7EE&quot; }, { &quot;b&quot; : &quot;7F2D9BA05000&quot;, &quot;path&quot; : &quot;/lib64/librt.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;CC3700E5EACA3A520D1FD1BA3B469F2EFB1B8F11&quot; }, { &quot;b&quot; : &quot;7F2D9B801000&quot;, &quot;path&quot; : &quot;/lib64/libdl.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;3D5EB706F159BCCB9A3B3E5F528B512E2C500F90&quot; }, { &quot;b&quot; : &quot;7F2D9B4FD000&quot;, &quot;path&quot; : &quot;/usr/lib64/libstdc++.so.6&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;DD6383EEAC49E9BAA9E3D1080AE932F42CF8A385&quot; }, { &quot;b&quot; : &quot;7F2D9B1FF000&quot;, &quot;path&quot; : &quot;/lib64/libm.so.6&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;226E54A756FDC288551092B4FDE818C8D6D6FC04&quot; }, { &quot;b&quot; : &quot;7F2D9AFE9000&quot;, &quot;path&quot; : &quot;/lib64/libgcc_s.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;C52958E393BDF8E8D090F36DE0F4E620D8736FBF&quot; }, { &quot;b&quot; : &quot;7F2D9AC44000&quot;, &quot;path&quot; : &quot;/lib64/libc.so.6&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;D40AD0538A2FFAB96E5540EF73816C675CC0AF5E&quot; }, { &quot;b&quot; : &quot;7F2D9C47A000&quot;, &quot;path&quot; : &quot;/lib64/ld-linux-x86-64.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;37F70DE2ABEA184F24518EB5CC538FF0F54E081F&quot; }, { &quot;b&quot; : &quot;7F2D9AA01000&quot;, &quot;path&quot; : &quot;/lib64/libgssapi_krb5.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;72C1DB5E2447A90D1BF34065BCC031B7263FFBAC&quot; }, { &quot;b&quot; : &quot;7F2D9A71C000&quot;, &quot;path&quot; : &quot;/lib64/libkrb5.so.3&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;2B8787E8E0C317CF820E5D830D923BC744E497F4&quot; }, { &quot;b&quot; : &quot;7F2D9A519000&quot;, &quot;path&quot; : &quot;/usr/lib64/libcom_err.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;622F315EB5CB2F791E9B64020692EBA98195D06D&quot; }, { &quot;b&quot; : &quot;7F2D9A2EE000&quot;, &quot;path&quot; : &quot;/lib64/libk5crypto.so.3&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;B10FBFEC246C4EAD1719D16090D0BE54904BBFC9&quot; }, { &quot;b&quot; : &quot;7F2D9A0D8000&quot;, &quot;path&quot; : &quot;/lib64/libz.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;87B4EBF2183C8EA4AB657212203EFFE6340E2F4F&quot; }, { &quot;b&quot; : &quot;7F2D99ECD000&quot;, &quot;path&quot; : &quot;/lib64/libkrb5support.so.0&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;7292C0673D7C116E3389D3FFA67087A6B9287A71&quot; }, { &quot;b&quot; : &quot;7F2D99CCA000&quot;, &quot;path&quot; : &quot;/lib64/libkeyutils.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;37A58210FA50C91E09387765408A92909468D25B&quot; }, { &quot;b&quot; : &quot;7F2D99AB3000&quot;, &quot;path&quot; : &quot;/lib64/libresolv.so.2&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;F01971089728188EFA4AA473D8B2DE22CA6DE963&quot; }, { &quot;b&quot; : &quot;7F2D99892000&quot;, &quot;path&quot; : &quot;/usr/lib64/libselinux.so.1&quot;, &quot;elfType&quot; : 3, &quot;buildId&quot; : &quot;803D7EF21A989677D056E52BAEB9AB5B154FB9D9&quot; } ] }}&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; mongos(_ZN5mongo15printStackTraceERSo+0x29) [0xa5ac19]&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; mongos(_ZN5mongo10logContextEPKc+0xE1) [0xa01b71]&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; mongos(_ZN5mongo11msgassertedEiPKc+0xAF) [0x9e68ef]&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; mongos(+0x5E699C) [0x9e699c]&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; mongos(_ZN5mongo5Shard5resetERKSs+0x1F5) [0x970de5]&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; mongos(_ZN5mongo12ChunkManager5_loadERKSsRSt3mapINS_7BSONObjEN5boost10shared_ptrIKNS_5ChunkEEENS_10BSONObjCmpESaISt4pairIKS4_S9_EEERSt3setINS_5ShardESt4lessISI_ESaISI_EERS3_ISsNS_12ChunkVersionESJ_ISsESaISB_IS1_SO_EEEPKS0_+0x60B) [0x8bc56b]&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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						&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; mongos(_ZN5mongo12ChunkManager18loadExistingRangesERKSsPKS0_+0x163) [0x8bccc3]&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; mongos(_ZN5mongo8DBConfig15getChunkManagerERKSsbb+0x696) [0x91a5c6]&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; mongos(_ZN5mongo17checkShardVersionEPNS_12DBClientBaseERKSsN5boost10shared_ptrIKNS_12ChunkManagerEEEbi+0x1B1E) [0x9a336e]&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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						&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; mongos(_ZN5mongo17checkShardVersionEPNS_12DBClientBaseERKSsN5boost10shared_ptrIKNS_12ChunkManagerEEEbi+0x1717) [0x9a2f67]&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; mongos(_ZN5mongo14VersionManager19checkShardVersionCBEPNS_15ShardConnectionEbi+0x5C) [0x9a3d5c]&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; mongos(_ZN5mongo15ShardConnection11_finishInitEv+0xEA) [0x9791aa]&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&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; mongos(_ZN5mongo27ParallelSortClusteredCursor28setupVersionAndHandleSlaveOkEN5boost10shared_ptrINS_23ParallelConnectionStateEEERKNS_5ShardENS2_IS5_EERKNS_15NamespaceStringERKSsNS2_IKNS_12ChunkManagerEEE+0x11C) [0x64251c]&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&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; mongos(_ZN5mongo27ParallelSortClusteredCursor9startInitEv+0xD63) [0x64a563]&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; mongos(_ZN5mongo27ParallelSortClusteredCursor8fullInitEv+0x9) [0x64e0b9]&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; mongos(_ZN5mongo8Strategy7queryOpERNS_7RequestE+0x3B9) [0x980849]&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; mongos(_ZN5mongo7Request7processEi+0x53A) [0x96bdfa]&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; mongos(_ZN5mongo21ShardedMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x58) [0x5d6df8]&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; mongos(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x34B) [0xa0dd9b]&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; libpthread.so.0(+0x7F18) [0x7f2d9c265f18]&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; libc.so.6(clone+0x6D) [0x7f2d9ad26b2d]&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;-----  END BACKTRACE  -----&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="194904">SERVER-17940</key>
            <summary>Removal of Shard Causes Assertion in Mongos</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="sam.kleinman">Sam Kleinman</assignee>
                                    <reporter username="klall">Kam Lall</reporter>
                        <labels>
                    </labels>
                <created>Wed, 8 Apr 2015 20:35:57 +0000</created>
                <updated>Thu, 18 Jun 2015 20:22:53 +0000</updated>
                            <resolved>Thu, 18 Jun 2015 20:22:53 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="901541" author="samk" created="Wed, 29 Apr 2015 22:04:35 +0000"  >&lt;p&gt;Sorry for the delay in getting back to you on this, if this is still an issue for you could you provide some additional information:&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Can you provide the version of MongoDB that was running when you observed the error?&lt;/li&gt;
	&lt;li&gt;Does the &lt;tt&gt;mongos&lt;/tt&gt; continue to respond to queries and perform write operations after printing these error messages? Because this is a non-fatal assertion, if the &lt;tt&gt;mongos&lt;/tt&gt; continues to operate, we can explore converting this stacktrace into some other kind of log message.&lt;/li&gt;
	&lt;li&gt;Can you use the &lt;a href=&quot;http://docs.mongodb.org/manual/reference/command/flushRouterConfig/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;flushRouterConfig command&lt;/a&gt; on the affected &lt;tt&gt;mongos&lt;/tt&gt;? Does this remove the error message?&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Cheers,&lt;br/&gt;
sam&lt;/p&gt;</comment>
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