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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-389] map/reduce kaboom</title>
                <link>https://jira.mongodb.org/browse/SERVER-389</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;is this a memory leak?  Additionally, should the MR abort on a userexception???&lt;/p&gt;

&lt;p&gt;&amp;gt; m = function() &lt;/p&gt;
{ if(this.prop1==&apos;men&apos;) emit(this.uid); }
&lt;p&gt;function () {&lt;br/&gt;
    if (this.prop1 == &quot;men&quot;) &lt;/p&gt;
{
        emit(this.uid);
    }
&lt;p&gt;}&lt;br/&gt;
&amp;gt; r = function(k,values) &lt;/p&gt;
{ return values[0]; }
&lt;p&gt;function (k, values) {&lt;br/&gt;
    return values&lt;span class=&quot;error&quot;&gt;&amp;#91;0&amp;#93;&lt;/span&gt;;&lt;br/&gt;
}&lt;br/&gt;
&amp;gt; db.small.mapReduce(m,r);&lt;/p&gt;

&lt;p&gt;many of these:&lt;br/&gt;
Tue Oct 27 12:42:52 User Exception _id cannot be an array&lt;br/&gt;
Tue Oct 27 12:42:52  logs.tmp.mr.small_1256661405_1  Caught Assertion update, continuing&lt;br/&gt;
Tue Oct 27 12:42:52 User Exception _id cannot be an array&lt;br/&gt;
Tue Oct 27 12:42:52  logs.tmp.mr.small_1256661405_1  Caught Assertion update, continuing&lt;br/&gt;
Tue Oct 27 12:42:53 User Exception _id cannot be an array&lt;br/&gt;
Tue Oct 27 12:42:53  logs.tmp.mr.small_1256661405_1  Caught Assertion update, continuing&lt;br/&gt;
Tue Oct 27 12:42:55  logs.tmp.mr.small_1256661405_1  Caught Assertion update, continuing&lt;br/&gt;
Tue Oct 27 12:42:55 User Exception _id cannot be an array&lt;br/&gt;
Tue Oct 27 12:42:55  logs.tmp.mr.small_1256661405_1  Caught Assertion update, continuing&lt;br/&gt;
then:&lt;br/&gt;
                12390900/35961649       34%&lt;/p&gt;

&lt;p&gt;#&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Fatal error in CALL_AND_RETRY_2&lt;/li&gt;
	&lt;li&gt;Allocation failed - process out of memory&lt;br/&gt;
#&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Tue Oct 27 12:42:59  Got signal: 6 (Aborted).&lt;br/&gt;
Tue Oct 27 12:42:59  Backtrace:&lt;br/&gt;
0x5893d9 0x2aaaac125f30 0x2aaaac125ec5 0x2aaaac127970 0x62d2e9 0x5bd20d 0x5cf38c 0x5d207a 0x5ac43f 0x5ac474 0x493443 0x485c94 0x57b48a 0x505e0e 0x498911 0x49b549 0x53235a 0x5351de 0x58a0a5 0x2aaaab1e9d8e &lt;br/&gt;
 ./mongod(_ZN5mongo10abruptQuitEi+0x399) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5893d9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6 &lt;span class=&quot;error&quot;&gt;&amp;#91;0x2aaaac125f30&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(gsignal+0x35) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x2aaaac125ec5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /lib64/libc.so.6(abort+0x110) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x2aaaac127970&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x62d2e9&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5bd20d&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5cf38c&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5d207a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5ac43f&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5ac474&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x493443&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x485c94&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x57b48a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x505e0e&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x498911&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x49b549&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x53235a&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod &lt;span class=&quot;error&quot;&gt;&amp;#91;0x5351de&amp;#93;&lt;/span&gt;&lt;br/&gt;
 ./mongod(_ZN5mongo10connThreadEv+0x205) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x58a0a5&amp;#93;&lt;/span&gt;&lt;br/&gt;
 /usr/lib64/libboost_thread-mt.so.3(_ZNK5boost9function0IvSaINS_13function_baseEEEclEv+0xbe) &lt;span class=&quot;error&quot;&gt;&amp;#91;0x2aaaab1e9d8e&amp;#93;&lt;/span&gt;&lt;br/&gt;
Tue Oct 27 12:42:59  dbexit: &lt;/p&gt;</description>
                <environment></environment>
        <key id="10805">SERVER-389</key>
            <summary>map/reduce kaboom</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="9">Done</resolution>
                                        <assignee username="eliot">Eliot Horowitz</assignee>
                                    <reporter username="dwight@mongodb.com">Dwight Merriman</reporter>
                        <labels>
                    </labels>
                <created>Tue, 27 Oct 2009 12:45:21 +0000</created>
                <updated>Tue, 12 Jul 2016 00:28:32 +0000</updated>
                            <resolved>Sun, 29 Nov 2009 00:44:38 +0000</resolved>
                                                    <fixVersion>1.1.4</fixVersion>
                                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="11235" author="eliot" created="Sun, 29 Nov 2009 00:44:38 +0000"  >&lt;p&gt;i believe both issues were fixed with M/R re-architecture &lt;/p&gt;</comment>
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