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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>[KAFKA-292] record will lose if offset submitted earlier</title>
                <link>https://jira.mongodb.org/browse/KAFKA-292</link>
                <project id="16285" key="KAFKA">Kafka Connector</project>
                    <description>&lt;p&gt;In the class-&lt;span class=&quot;error&quot;&gt;&amp;#91;org|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;apache|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;kafka|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;connect|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;runtime|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;WorkerSourceTask|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime%7BWorkerSourceTask.java%E2%98%83WorkerSourceTask&amp;#93;&lt;/span&gt;&lt;br/&gt;
enter function&#160;sendRecords()&#160;&lt;br/&gt;
we know that:&#160;&lt;br/&gt;
&#160;&lt;br/&gt;
firstly, execute&#160;&lt;br/&gt;
-&lt;br/&gt;
// Offsets are converted &amp;amp; serialized in the OffsetWriter&lt;br/&gt;
 offsetWriter.offset(record.sourcePartition(), record.sourceOffset());&lt;br/&gt;
-&lt;br/&gt;
then execute&lt;br/&gt;
producer.send(...)&lt;br/&gt;
&#160;&lt;br/&gt;
but if producer.send(...) fail, but the offset of the record has been submit to offsetWriter&lt;br/&gt;
&#160;&lt;br/&gt;
and we know that,&#160;&lt;br/&gt;
&lt;span class=&quot;error&quot;&gt;&amp;#91;org|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;apache|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;kafka|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;connect|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;runtime|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime&amp;#93;&lt;/span&gt;.&lt;span class=&quot;error&quot;&gt;&amp;#91;SourceTaskOffsetCommitter|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime%7BSourceTaskOffsetCommitter.java%E2%98%83SourceTaskOffsetCommitter&amp;#93;&lt;/span&gt;.schedule(&lt;span class=&quot;error&quot;&gt;&amp;#91;ConnectorTaskId|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime%7BSourceTaskOffsetCommitter.java%E2%98%83SourceTaskOffsetCommitter~schedule~QConnectorTaskId;~QWorkerSourceTask;%E2%98%82ConnectorTaskId&amp;#93;&lt;/span&gt; id, &lt;span class=&quot;error&quot;&gt;&amp;#91;WorkerSourceTask|eclipse-javadoc:%E2%98%82=kafka-src-3.0.0/src%3Cconnect.runtime.src.main.java.org.apache.kafka.connect.runtime%7BSourceTaskOffsetCommitter.java%E2%98%83SourceTaskOffsetCommitter~schedule~QConnectorTaskId;~QWorkerSourceTask;%E2%98%82WorkerSourceTask&amp;#93;&lt;/span&gt; workerTask) is invoked periodically,&lt;br/&gt;
then the fail record has been recrod to the default file :&#160; /tmp/connect.offsets&lt;br/&gt;
&#160;&lt;br/&gt;
so it is wrong, Is this a bug?&lt;br/&gt;
&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1984524">KAFKA-292</key>
            <summary>record will lose if offset submitted earlier</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="13203">Gone away</resolution>
                                        <assignee username="ross@mongodb.com">Ross Lawley</assignee>
                                    <reporter username="837500869@qq.com">Liu Zhiqiang</reporter>
                        <labels>
                            <label>external-user</label>
                    </labels>
                <created>Wed, 16 Feb 2022 11:36:23 +0000</created>
                <updated>Fri, 27 Oct 2023 19:45:05 +0000</updated>
                            <resolved>Wed, 16 Feb 2022 11:51:37 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4358296" author="ross@10gen.com" created="Wed, 16 Feb 2022 11:51:37 +0000"  >&lt;p&gt;Closed as requested.&lt;/p&gt;</comment>
                            <comment id="4358287" author="JIRAUSER1264944" created="Wed, 16 Feb 2022 11:43:52 +0000"  >&lt;p&gt;please close this one, content is wrong, I will create another one! thank you&lt;/p&gt;</comment>
                    </comments>
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