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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-2603] Fix racy test in ChangeStreamOperationSpecification</title>
                <link>https://jira.mongodb.org/browse/JAVA-2603</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;The test &quot;should support return the expected results&quot; in ChangeStreamOperationSpecification is racy.  Because closing an asynchronous cursor is itself asynchronous, in some cases the cleanup checks in ServerHelper#checkPool can run before the close completes, resulting in the following failure:&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;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;java.lang.IllegalStateException: Connection pool in use count is 1&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.ServerHelper.checkPool(ServerHelper.java:60)&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.ServerHelper.checkPool(ServerHelper.java:34)&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.OperationFunctionalSpecification.cleanup(OperationFunctionalSpecification.groovy:69)&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;So far, I haven&apos;t seen this in the debugger or on evergreen, but I can reproduce it with a local replica set with this command line:&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;./gradlew -Dorg.mongodb.test.uri=mongodb://jeff:27017,jeff:27018/?replicaset=replset driver-core:test&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</description>
                <environment></environment>
        <key id="428719">JAVA-2603</key>
            <summary>Fix racy test in ChangeStreamOperationSpecification</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="jeff.yemin@mongodb.com">Jeffrey Yemin</assignee>
                                    <reporter username="jeff.yemin@mongodb.com">Jeffrey Yemin</reporter>
                        <labels>
                    </labels>
                <created>Mon, 18 Sep 2017 13:26:58 +0000</created>
                <updated>Sun, 29 Oct 2023 02:32:36 +0000</updated>
                            <resolved>Fri, 1 Dec 2017 16:29:05 +0000</resolved>
                                                    <fixVersion>3.6.0</fixVersion>
                                    <component>Test Coverage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1742105" author="xgen-internal-githook" created="Mon, 4 Dec 2017 20:41:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;jyemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;, &apos;name&apos;: &apos;Jeff Yemin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2603&quot; title=&quot;Fix racy test in ChangeStreamOperationSpecification&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2603&quot;&gt;&lt;del&gt;JAVA-2603&lt;/del&gt;&lt;/a&gt;: Wait for all connections pools to have no checked out connections after closing an asynchronous cursor.&lt;/p&gt;

&lt;p&gt;Avoid a race condition between the async cursor closing and the check for checked out connections in the common cleanup method&lt;br/&gt;
Branch: 3.6.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/17a80a2fd106facad05500290c0c9a175173ba55&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/17a80a2fd106facad05500290c0c9a175173ba55&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1740116" author="xgen-internal-githook" created="Fri, 1 Dec 2017 16:28:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jeff Yemin&apos;, &apos;username&apos;: &apos;jyemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2603&quot; title=&quot;Fix racy test in ChangeStreamOperationSpecification&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2603&quot;&gt;&lt;del&gt;JAVA-2603&lt;/del&gt;&lt;/a&gt;: Wait for all connections pools to have no checked out connections after closing an asynchronous cursor.&lt;/p&gt;

&lt;p&gt;Avoid a race condition between the async cursor closing and the check for checked out connections in the common cleanup method&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/17a80a2fd106facad05500290c0c9a175173ba55&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/17a80a2fd106facad05500290c0c9a175173ba55&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1735432" author="jeff.yemin" created="Mon, 27 Nov 2017 20:39:40 +0000"  >&lt;p&gt;Fixed in: &lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/8e62c8aa42e383ef42be11ee15dc59167af14dc0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/8e62c8aa42e383ef42be11ee15dc59167af14dc0&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1703200" author="jeff.yemin" created="Wed, 18 Oct 2017 21:26:29 +0000"  >&lt;p&gt;A similar change stream-related failure showed up in Evergreen &lt;a href=&quot;https://evergreen.mongodb.com/task_log_raw/mongo_java_driver_tests_jdk6_unsecure__version~latest_os~linux_topology~replicaset_auth~noauth_ssl~nossl_jdk~jdk6_test_58fc73a077dc1381beb485ff7d0b4c8a4878d189_17_10_17_14_19_31/0?type=T&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;&lt;/p&gt;</comment>
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