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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>[JAVA-2449] NullPointerException in ClientMetadataHelper.getDriverVersion</title>
                <link>https://jira.mongodb.org/browse/JAVA-2449</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;Java Driver throws NPE in: &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;
		&lt;tbody &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-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;at com.mongodb.connection.ClientMetadataHelper.getDriverVersion(ClientMetadataHelper.java:113)&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;at com.mongodb.connection.ClientMetadataHelper.getDriverInformation(ClientMetadataHelper.java:201)&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;at com.mongodb.connection.ClientMetadataHelper.addDriverInformation(ClientMetadataHelper.java:182)&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;at com.mongodb.connection.ClientMetadataHelper.&amp;lt;clinit&amp;gt;(ClientMetadataHelper.java:64)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;We are running the driver in environment where&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;
		&lt;tbody &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-top: 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;InternalStreamConnectionInitializer.class.getProtectionDomain().getCodeSource().getLocation()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;returns null (some strange classloader)&lt;br/&gt;
and it throws in NPE here:&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;
		&lt;tbody &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-top: 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;String path = codeSource.getLocation().getPath();&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;It would be better to check it for nullness and for example set driverVersion = &quot;unknown&quot; (as it is being done in case of other errors). &lt;/p&gt;</description>
                <environment>java version &amp;quot;1.8.0_111&amp;quot;&lt;br/&gt;
Java(TM) SE Runtime Environment (build 1.8.0_111-b14)&lt;br/&gt;
Java HotSpot(TM) Client VM (build 25.111-b14, mixed mode, sharing)</environment>
        <key id="353723">JAVA-2449</key>
            <summary>NullPointerException in ClientMetadataHelper.getDriverVersion</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="jeff.yemin@mongodb.com">Jeffrey Yemin</assignee>
                                    <reporter username="piotr@dydycz.com">Piotr Dydycz</reporter>
                        <labels>
                    </labels>
                <created>Tue, 14 Feb 2017 14:32:37 +0000</created>
                <updated>Wed, 2 Aug 2017 14:35:44 +0000</updated>
                            <resolved>Thu, 9 Mar 2017 23:16:14 +0000</resolved>
                                    <version>3.4.0</version>
                                    <fixVersion>3.4.3</fixVersion>
                    <fixVersion>3.5.0</fixVersion>
                                    <component>Monitoring</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1520282" author="xgen-internal-githook" created="Thu, 9 Mar 2017 19:30:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jyemin&apos;, u&apos;name&apos;: u&apos;Jeff Yemin&apos;, u&apos;email&apos;: u&apos;jeff.yemin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2449&quot; title=&quot;NullPointerException in ClientMetadataHelper.getDriverVersion&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2449&quot;&gt;&lt;del&gt;JAVA-2449&lt;/del&gt;&lt;/a&gt;: Add null check for codeSource location when constructing client metadata document&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/f72027767992081174ce9588d48898068e650d5c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/f72027767992081174ce9588d48898068e650d5c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1498976" author="jeff.yemin" created="Tue, 14 Feb 2017 21:44:41 +0000"  >&lt;p&gt;That&apos;s sufficient.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Jeff&lt;/p&gt;</comment>
                            <comment id="1498896" author="piotr@dydycz.com" created="Tue, 14 Feb 2017 20:39:12 +0000"  >&lt;p&gt;It is running inside &lt;ins&gt;Software AG webMethods Integration Server&lt;/ins&gt; (mongo driver is deployed inside Integration Server &lt;em&gt;package&lt;/em&gt;). &lt;br/&gt;
My brief investigation shows that custom classloader is used for classes loaded within &lt;em&gt;packages&lt;/em&gt;. &lt;/p&gt;

&lt;p&gt;What else you want to know?&lt;/p&gt;</comment>
                            <comment id="1498588" author="jeff.yemin" created="Tue, 14 Feb 2017 16:20:27 +0000"  >&lt;p&gt;Can you describe the environment in which the application is running?  I&apos;d like to understand the root cause a little better to see how common this might be.&lt;/p&gt;</comment>
                    </comments>
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