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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>[JAVA-2740] Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail</title>
                <link>https://jira.mongodb.org/browse/JAVA-2740</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;A JVM bug, originally reported in &lt;a href=&quot;https://stackoverflow.com/questions/46971788/java-cipher-pbe-thread-safety-issue&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://stackoverflow.com/questions/46971788/java-cipher-pbe-thread-safety-issue&lt;/a&gt;, can cause SCRAM-SHA-1 authentication to intermittently fail. &lt;/p&gt;

&lt;p&gt;Synchronizing access to the &lt;tt&gt;java.security.Key&lt;/tt&gt; instance used in &lt;tt&gt;com.mongodb.connection.ScramSha1Authenticator.ScramSha1SaslClient#hi&lt;/tt&gt; has been demonstrated to be an effective workaround to the bug, as suggested in &lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8055183&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;JDK-8055183&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;JDK bug links:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;&lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8191177&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;JDK-8191177&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;&lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8191002&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;JDK-8191002&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="485611">JAVA-2740</key>
            <summary>Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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, 22 Jan 2018 13:58:22 +0000</created>
                <updated>Sat, 28 Oct 2023 11:23:00 +0000</updated>
                            <resolved>Mon, 22 Jan 2018 16:38:03 +0000</resolved>
                                                    <fixVersion>3.6.2</fixVersion>
                                    <component>Authentication</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1780831" author="xgen-internal-githook" created="Mon, 22 Jan 2018 16:37:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jeff Yemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;, &apos;username&apos;: &apos;jyemin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2740&quot; title=&quot;Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2740&quot;&gt;&lt;del&gt;JAVA-2740&lt;/del&gt;&lt;/a&gt;: Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail, by synchronizing on the SecretKey in order to avoid premature finalization.&lt;/p&gt;

&lt;p&gt;See &lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8191177&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://bugs.openjdk.java.net/browse/JDK-8191177&lt;/a&gt; for the bug report and &lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8055183&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://bugs.openjdk.java.net/browse/JDK-8055183&lt;/a&gt; for the suggested workaround&lt;br/&gt;
Branch: 3.6.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/308c5fbd57af5d96b1e7c066912490e9a9d56841&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/308c5fbd57af5d96b1e7c066912490e9a9d56841&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1780828" author="xgen-internal-githook" created="Mon, 22 Jan 2018 16:35:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jeff Yemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;, &apos;username&apos;: &apos;jyemin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-2740&quot; title=&quot;Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-2740&quot;&gt;&lt;del&gt;JAVA-2740&lt;/del&gt;&lt;/a&gt;: Work around JDK bug that can cause SCRAM-SHA-1 authentication to intermittently fail, by synchronizing on the SecretKey in order to avoid premature finalization.&lt;/p&gt;

&lt;p&gt;See &lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8191177&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://bugs.openjdk.java.net/browse/JDK-8191177&lt;/a&gt; for the bug report and &lt;a href=&quot;https://bugs.openjdk.java.net/browse/JDK-8055183&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://bugs.openjdk.java.net/browse/JDK-8055183&lt;/a&gt; for the suggested workaround&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/32e00106716b354fb9ed9fa9bc5481a020919a5a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/32e00106716b354fb9ed9fa9bc5481a020919a5a&lt;/a&gt;&lt;/p&gt;</comment>
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