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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>[GODRIVER-692] SingleResult.Decode to struct panics with nil pointer dereference</title>
                <link>https://jira.mongodb.org/browse/GODRIVER-692</link>
                <project id="14289" key="GODRIVER">Go Driver</project>
                    <description>&lt;p&gt;In updating the tools/go-driver POC to the new API, I found a panic. Decoding a SingleResult from RunCommand to a struct panics &#8211; apparently because the registry is nil.&#160;&lt;/p&gt;

&lt;p&gt;Stack trace:&lt;/p&gt;
&lt;p/&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;panic: runtime error: invalid memory address or nil pointer dereference&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;[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x11e5038]&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;&amp;nbsp;&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;goroutine 1 [running]:&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson/bsoncodec.(*Registry).LookupDecoder(0x0, 0x1696440, 0x1508ae0, 0x1696440, 0x1508ae0, 0x199, 0xc0001584c0)&lt;/span&gt;&lt;/pre&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson/bsoncodec/registry.go:319 +0x48&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson.(*Decoder).Decode(0xc00016e220, 0x14a7b60, 0xc000152270, 0x14f95e0, 0xc00016e220)&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson/decoder.go:82 +0x16d&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson.unmarshalFromReader(0x0, 0xc000158400, 0x1693cc0, 0xc0001584c0, 0x14a7b60, 0xc000152270, 0x0, 0x0)&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson/unmarshal.go:92 +0xe4&lt;/span&gt;&lt;/pre&gt;
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		&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson.UnmarshalWithRegistry(0x0, 0xc000244000, 0xcb, 0x180, 0x14a7b60, 0xc000152270, 0x0, 0x0)&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/bson/unmarshal.go:45 +0x11f&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/mongo.(*SingleResult).Decode(0xc000158480, 0x14a7b60, 0xc000152270, 0x0, 0x0)&lt;/span&gt;&lt;/pre&gt;
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		&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-go-driver/mongo/single_result.go:43 +0x84&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-tools-common/db.(*SessionProvider).GetNodeType(0xc00000cd00, 0x146b604, 0xc00000cd00, 0x1566690, 0xc00000cd00)&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-tools-common/db/command.go:131 +0x23e&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;github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-tools-common/db.(*SessionProvider).IsMongos(0xc00000cd00, 0xc0001521b0, 0x15584f6, 0x1c)&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/vendor/github.com/mongodb/mongo-tools-common/db/command.go:157 +0x2f&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;main.main()&lt;/span&gt;&lt;/pre&gt;
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					&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;        /Users/david/golang/src/github.com/mongodb/mongo-tools/mongotop/main/mongotop.go:96 +0x3d0&lt;/span&gt;&lt;/pre&gt;
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&lt;/table&gt;
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&lt;p/&gt;</description>
                <environment></environment>
        <key id="652680">GODRIVER-692</key>
            <summary>SingleResult.Decode to struct panics with nil pointer dereference</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="13201">Fixed</resolution>
                                        <assignee username="david.golden@mongodb.com">David Golden</assignee>
                                    <reporter username="david.golden@mongodb.com">David Golden</reporter>
                        <labels>
                    </labels>
                <created>Thu, 13 Dec 2018 04:13:05 +0000</created>
                <updated>Sat, 28 Oct 2023 11:39:17 +0000</updated>
                            <resolved>Thu, 13 Dec 2018 19:54:17 +0000</resolved>
                                    <version>0.1.0</version>
                                    <fixVersion>0.2.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2090171" author="xgen-internal-githook" created="Thu, 13 Dec 2018 19:53:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;xdg&apos;, &apos;email&apos;: &apos;xdg@xdg.me&apos;, &apos;name&apos;: &apos;David Golden&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/GODRIVER-692&quot; title=&quot;SingleResult.Decode to struct panics with nil pointer dereference&quot; class=&quot;issue-link&quot; data-issue-key=&quot;GODRIVER-692&quot;&gt;&lt;del&gt;GODRIVER-692&lt;/del&gt;&lt;/a&gt; Set registry on RunCommand result&lt;/p&gt;

&lt;p&gt;Change-Id: I8e759ff5e54738684014591654f8e76c37042c52&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-go-driver/commit/6310dd3c4b6b7db65c30139cb2396288e7d6a7e1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-go-driver/commit/6310dd3c4b6b7db65c30139cb2396288e7d6a7e1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2089392" author="david.golden" created="Thu, 13 Dec 2018 11:10:55 +0000"  >&lt;p&gt;&lt;a href=&quot;https://review.gerrithub.io/#/c/mongodb/mongo-go-driver/+/437121/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://review.gerrithub.io/#/c/mongodb/mongo-go-driver/+/437121/&lt;/a&gt;&lt;/p&gt;</comment>
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