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    <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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            <title>[SERVER-13660] Better Error Response from Shard with No Primary</title>
                <link>https://jira.mongodb.org/browse/SERVER-13660</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This comes out of the discussion on &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-1118&quot; title=&quot;Mongo Java Driver Descriptive Exception for No Primary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-1118&quot;&gt;&lt;del&gt;JAVA-1118&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Improve (ie: more descriptive and unique) error type/code/message response when a shard is unable to serve a query due to a read preference mismatch. &lt;/p&gt;

&lt;p&gt;For instance, in the Java driver 2.12.0, in the case of a mismatch (such as primary requested but only secondaries are available), the driver will throw an exception with type MongoServerSelectionException rather than a generic exception. However, in a sharded environment, according to my testing and what Jeff has mentioned in &lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-1118&quot; title=&quot;Mongo Java Driver Descriptive Exception for No Primary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-1118&quot;&gt;&lt;del&gt;JAVA-1118&lt;/del&gt;&lt;/a&gt; the mongo server (or mongos) doesn&apos;t return enough information and the driver is forced to throw a generic exception in this case. &lt;/p&gt;

&lt;p&gt;It would be great if the specifics of this error could be passed in the response to the driver so a specific exception can be thrown at this level.&lt;/p&gt;</description>
                <environment></environment>
        <key id="132181">SERVER-13660</key>
            <summary>Better Error Response from Shard with No Primary</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="9">Done</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="djones@squarespace.com">Doug Jones</reporter>
                        <labels>
                            <label>ShardingRoughEdges</label>
                            <label>lamont-triage</label>
                            <label>nc</label>
                    </labels>
                <created>Fri, 18 Apr 2014 21:31:22 +0000</created>
                <updated>Tue, 6 Dec 2022 05:07:31 +0000</updated>
                            <resolved>Fri, 5 Nov 2021 15:31:20 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="2104329" author="kaloian.manassiev" created="Thu, 3 Jan 2019 15:58:15 +0000"  >&lt;p&gt;I am pretty sure we should be throwing &lt;tt&gt;FailedToSatisfyReadPreference&lt;/tt&gt; exception in these cases, but flagging it for triage so that someone can validate this and possibly write a test.&lt;/p&gt;</comment>
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