{"id":375155,"date":"2024-05-21T06:17:33","date_gmt":"2024-05-21T06:17:33","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=375155"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=375155","title":{"rendered":"<span>\u041f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u043d\u0430 \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u0432 Kafka<\/span>"},"content":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<figure class=\"full-width\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w1560\/getpro\/habr\/upload_files\/6c2\/a38\/9da\/6c2a389da753a1d818336cf2918a78ff.png\" width=\"1200\" height=\"630\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/6c2\/a38\/9da\/6c2a389da753a1d818336cf2918a78ff.png\"\/><\/figure>\n<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u0434\u0430\u0447\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset) \u0432 Kafka. \u0414\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <em>ConsumerSeekAware <\/em>\u0438 \u043d\u0430\u0439\u0442\u0438 \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0443\u0436\u043d\u043e \u043d\u0430\u0447\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u0435<em>. <\/em>\u0422\u0430\u043a \u0436\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 Kafka. \u0412 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u0445 \u043a\u043e\u0434\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f Java \u0438 Spring \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a. <\/p>\n<h2>\u041f\u043b\u0430\u043d<\/h2>\n<ol>\n<li>\n<p>\u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <em>ConsumerSeekAware<\/em>.<\/p>\n<\/li>\n<li>\n<p>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043b\u0443\u0448\u0430\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f.<\/p>\n<\/li>\n<li>\n<p>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka.<\/p>\n<\/li>\n<li>\n<p>\u041e\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0435\u0442\u043e\u0434\u043e\u0432.<\/p>\n<\/li>\n<\/ol>\n<h2>1. \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c ConsumerSeekAware<\/h2>\n<p>\u041f\u0440\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 ConsumerSeekAware, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u00a0<em>onPartitionsAssigned(\u2026). <\/em>\u041c\u0435\u0442\u043e\u0434 <em>onPartitionsAssigned(\u2026)<\/em> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442 \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f.  <\/p>\n<pre><code class=\"java\">@Service public class ConsumerSeekAwareImpl implements ConsumerSeekAware {     long offset = 777l; \/\/your offset number     String topic = \"TopicName\"; \/\/your topic name       @Override     public void onPartitionsAssigned(Map&lt;TopicPartition, Long> assignments, ConsumerSeekCallback callback) {             assignments.keySet().forEach(partition ->                     callback.seek(this.topic, partition, this.offset));         }     } }<\/code><\/pre>\n<p>\u041c\u0435\u0442\u043e\u0434\u00a0<em>onPartitionsAssigned(\u2026)<\/em><strong>\u00a0<\/strong>\u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a <em>MessageListenerContainer <\/em>\u0434\u0430\u0441\u0442 \u0445\u043e\u0434 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0443 \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439.<\/p>\n<h2>2. \u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043b\u0443\u0448\u0430\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f<\/h2>\n<p>\u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044e\u00a0<em>@KafkaListener<\/em>:  <\/p>\n<pre><code class=\"java\">@Service public class ConsumerSeekAwareImpl implements ConsumerSeekAware {     long offset = 777l; \/\/your offset number     String topic = \"TopicName\"; \/\/your topic name     String listenerId = \"listenerId\"; \/\/your listener id      \/\/id of this listener has to be remembered for further     \/\/use in method getListenerContainer of KafkaListenerEndpointRegistry     @KafkaListener(id = listenerId,             groupId = \"groupName\",             topics = topic)     public void listenServiceCall(@Payload String message,                                   @Header(KafkaHeaders.OFFSET) Long offset) {         System.out.println(\"offset: \" + offset \", message: \" + message);     }      @Override     public void onPartitionsAssigned(Map&lt;TopicPartition, Long> assignments, ConsumerSeekCallback callback) {             assignments.keySet().forEach(partition ->                     callback.seek(this.topic, partition, this.offset));         }     } }<\/code><\/pre>\n<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0432\u0438\u0434\u043d\u043e \u043c\u0435\u0442\u043e\u0434\u00a0<em>listenServiceCall(\u2026)<\/em>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0435\u0439\u00a0<em>@KafkaListener<\/em>\u00a0, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043c\u0435\u0442\u043e\u0434 \u0438\u0441\u043a\u043e\u043c\u044b\u043c \u0434\u043b\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0438 \u043a\u043b\u0430\u0441\u0441\u0430 <em>MessageListenerContainer<\/em>.  <\/p>\n<h2>3. \u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka<\/h2>\n<p>\u0412\u043e\u0437\u044c\u043c\u0451\u043c \u043c\u0435\u0442\u043e\u0434\u044b stop() \u0438 start() \u043a\u043b\u0430\u0441\u0441\u0430 <em>MessageListenerContainer<\/em>, \u0434\u0430\u043b\u0435\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0434\u043b\u044f \u043d\u0438\u0445 \u043e\u0431\u0435\u0440\u0442\u043a\u0438 \u0438 \u0437\u0430\u0442\u0435\u043c \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043c \u0438\u0445 \u043f\u043e \u043e\u0447\u0435\u0440\u0435\u0434\u0438.<\/p>\n<pre><code class=\"java\">@Service public class KafkaListenerRestartService {     @Autowired     private KafkaListenerEndpointRegistry kafkaListenerEndpointRegistry;      String listenerId = \"listenerId\";      public void restartKafkaListener() {         stop();         start();     }      public void start() {         MessageListenerContainer container = kafkaListenerEndpointRegistry                 .getListenerContainer(this.listenerId);         if (container != null &amp;&amp; !container.isRunning()) {             container.start();         }     }      public void stop() {         MessageListenerContainer container = kafkaListenerEndpointRegistry                 .getListenerContainer(this.listenerId);         if (container != null &amp;&amp; container.isRunning()) {             container.stop();         }     } }<\/code><\/pre>\n<p>\u0412 \u043a\u043b\u0430\u0441\u0441\u0435 <em>KafkaListenerEndpointRegistry<\/em>, \u043c\u0435\u0442\u043e\u0434\u044b start() \u0438 stop() \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0447\u0435\u0440\u0435\u0437 \u043a\u043b\u0430\u0441\u0441 <em>MessageListenerContainer<\/em> \u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440(Id) \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0433\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f.  <\/p>\n<h3>4. \u041e\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0435\u0442\u043e\u0434\u043e\u0432<\/h3>\n<p>\u0414\u0430\u043b\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u043e\u0442 \u043c\u043e\u043c\u0435\u043d\u0442\u0430, \u043a\u043e\u0433\u0434\u0430 Kafka \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0430 \u0434\u043b\u044f \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u0434\u0430\u043b\u0435\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset) \u0438 \u043d\u043e\u0432\u044b\u043c \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435, \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka \u0431\u0443\u0434\u0435\u0442 \u0447\u0438\u0442\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset).<\/p>\n<p><strong>\u041f\u043e\u0440\u044f\u0434\u043e\u043a \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432:<\/strong><\/p>\n<ol>\n<li>\n<p>restartKafkaListener() <\/p>\n<\/li>\n<li>\n<p>stop() <\/p>\n<\/li>\n<li>\n<p>start()<\/p>\n<\/li>\n<li>\n<p>onPartitionsAssigned(&#8230;) <\/p>\n<\/li>\n<li>\n<p>listenServiceCall(&#8230;)<\/p>\n<\/li>\n<\/ol>\n<h2>\u0418\u0442\u043e\u0433<\/h2>\n<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0432 Kafka \u043d\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u0443\u044e \u043f\u043e\u0437\u0438\u0446\u0438\u044e.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/811621\/\"> https:\/\/habr.com\/ru\/articles\/811621\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<figure class=\"full-width\"><\/figure>\n<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u0434\u0430\u0447\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset) \u0432 Kafka. \u0414\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <em>ConsumerSeekAware <\/em>\u0438 \u043d\u0430\u0439\u0442\u0438 \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0443\u0436\u043d\u043e \u043d\u0430\u0447\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u0435<em>. <\/em>\u0422\u0430\u043a \u0436\u0435 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 Kafka. \u0412 \u043f\u0440\u0438\u043c\u0435\u0440\u0430\u0445 \u043a\u043e\u0434\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f Java \u0438 Spring \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a. <\/p>\n<h2>\u041f\u043b\u0430\u043d<\/h2>\n<ol>\n<li>\n<p>\u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <em>ConsumerSeekAware<\/em>.<\/p>\n<\/li>\n<li>\n<p>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043b\u0443\u0448\u0430\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f.<\/p>\n<\/li>\n<li>\n<p>\u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka.<\/p>\n<\/li>\n<li>\n<p>\u041e\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0435\u0442\u043e\u0434\u043e\u0432.<\/p>\n<\/li>\n<\/ol>\n<h2>1. \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c ConsumerSeekAware<\/h2>\n<p>\u041f\u0440\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430 ConsumerSeekAware, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0435\u0440\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043c\u0435\u0442\u043e\u0434\u00a0<em>onPartitionsAssigned(\u2026). <\/em>\u041c\u0435\u0442\u043e\u0434 <em>onPartitionsAssigned(\u2026)<\/em> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442 \u043f\u043e\u0437\u0438\u0446\u0438\u044e \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f.  <\/p>\n<pre><code class=\"java\">@Service public class ConsumerSeekAwareImpl implements ConsumerSeekAware {     long offset = 777l; \/\/your offset number     String topic = \"TopicName\"; \/\/your topic name       @Override     public void onPartitionsAssigned(Map&lt;TopicPartition, Long> assignments, ConsumerSeekCallback callback) {             assignments.keySet().forEach(partition ->                     callback.seek(this.topic, partition, this.offset));         }     } }<\/code><\/pre>\n<p>\u041c\u0435\u0442\u043e\u0434\u00a0<em>onPartitionsAssigned(\u2026)<\/em><strong>\u00a0<\/strong>\u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u043f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a <em>MessageListenerContainer <\/em>\u0434\u0430\u0441\u0442 \u0445\u043e\u0434 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0443 \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439.<\/p>\n<h2>2. \u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043b\u0443\u0448\u0430\u0435\u0442 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f<\/h2>\n<p>\u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u044e\u00a0<em>@KafkaListener<\/em>:  <\/p>\n<pre><code class=\"java\">@Service public class ConsumerSeekAwareImpl implements ConsumerSeekAware {     long offset = 777l; \/\/your offset number     String topic = \"TopicName\"; \/\/your topic name     String listenerId = \"listenerId\"; \/\/your listener id      \/\/id of this listener has to be remembered for further     \/\/use in method getListenerContainer of KafkaListenerEndpointRegistry     @KafkaListener(id = listenerId,             groupId = \"groupName\",             topics = topic)     public void listenServiceCall(@Payload String message,                                   @Header(KafkaHeaders.OFFSET) Long offset) {         System.out.println(\"offset: \" + offset \", message: \" + message);     }      @Override     public void onPartitionsAssigned(Map&lt;TopicPartition, Long> assignments, ConsumerSeekCallback callback) {             assignments.keySet().forEach(partition ->                     callback.seek(this.topic, partition, this.offset));         }     } }<\/code><\/pre>\n<p>\u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0440\u0438\u043c\u0435\u0440\u0435 \u0432\u0438\u0434\u043d\u043e \u043c\u0435\u0442\u043e\u0434\u00a0<em>listenServiceCall(\u2026)<\/em>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0435\u0439\u00a0<em>@KafkaListener<\/em>\u00a0, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u043c\u0435\u0442\u043e\u0434 \u0438\u0441\u043a\u043e\u043c\u044b\u043c \u0434\u043b\u044f \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0438 \u043a\u043b\u0430\u0441\u0441\u0430 <em>MessageListenerContainer<\/em>.  <\/p>\n<h2>3. \u0421\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0435\u0440\u0432\u0438\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka<\/h2>\n<p>\u0412\u043e\u0437\u044c\u043c\u0451\u043c \u043c\u0435\u0442\u043e\u0434\u044b stop() \u0438 start() \u043a\u043b\u0430\u0441\u0441\u0430 <em>MessageListenerContainer<\/em>, \u0434\u0430\u043b\u0435\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0434\u043b\u044f \u043d\u0438\u0445 \u043e\u0431\u0435\u0440\u0442\u043a\u0438 \u0438 \u0437\u0430\u0442\u0435\u043c \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043c \u0438\u0445 \u043f\u043e \u043e\u0447\u0435\u0440\u0435\u0434\u0438.<\/p>\n<pre><code class=\"java\">@Service public class KafkaListenerRestartService {     @Autowired     private KafkaListenerEndpointRegistry kafkaListenerEndpointRegistry;      String listenerId = \"listenerId\";      public void restartKafkaListener() {         stop();         start();     }      public void start() {         MessageListenerContainer container = kafkaListenerEndpointRegistry                 .getListenerContainer(this.listenerId);         if (container != null &amp;&amp; !container.isRunning()) {             container.start();         }     }      public void stop() {         MessageListenerContainer container = kafkaListenerEndpointRegistry                 .getListenerContainer(this.listenerId);         if (container != null &amp;&amp; container.isRunning()) {             container.stop();         }     } }<\/code><\/pre>\n<p>\u0412 \u043a\u043b\u0430\u0441\u0441\u0435 <em>KafkaListenerEndpointRegistry<\/em>, \u043c\u0435\u0442\u043e\u0434\u044b start() \u0438 stop() \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0442 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f \u0447\u0435\u0440\u0435\u0437 \u043a\u043b\u0430\u0441\u0441 <em>MessageListenerContainer<\/em> \u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440(Id) \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0433\u043e \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044f.  <\/p>\n<h3>4. \u041e\u043f\u0438\u0441\u0430\u0442\u044c \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0440\u0430\u0431\u043e\u0442\u044b \u043c\u0435\u0442\u043e\u0434\u043e\u0432<\/h3>\n<p>\u0414\u0430\u043b\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u043e\u0440\u044f\u0434\u043e\u043a \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u043e\u0442 \u043c\u043e\u043c\u0435\u043d\u0442\u0430, \u043a\u043e\u0433\u0434\u0430 Kafka \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0430 \u0434\u043b\u044f \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f, \u0434\u0430\u043b\u0435\u0435 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset) \u0438 \u043d\u043e\u0432\u044b\u043c \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u0441\u043b\u0443\u0448\u0430\u043d\u0438\u044f \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435, \u0441\u043b\u0443\u0448\u0430\u0442\u0435\u043b\u044c Kafka \u0431\u0443\u0434\u0435\u0442 \u0447\u0438\u0442\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f(offset).<\/p>\n<p><strong>\u041f\u043e\u0440\u044f\u0434\u043e\u043a \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043c\u0435\u0442\u043e\u0434\u043e\u0432:<\/strong><\/p>\n<ol>\n<li>\n<p>restartKafkaListener() <\/p>\n<\/li>\n<li>\n<p>stop() <\/p>\n<\/li>\n<li>\n<p>start()<\/p>\n<\/li>\n<li>\n<p>onPartitionsAssigned(&#8230;) <\/p>\n<\/li>\n<li>\n<p>listenServiceCall(&#8230;)<\/p>\n<\/li>\n<\/ol>\n<h2>\u0418\u0442\u043e\u0433<\/h2>\n<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0441\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0432 Kafka \u043d\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u0443\u044e \u043f\u043e\u0437\u0438\u0446\u0438\u044e.<\/p>\n<\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/811621\/\"> https:\/\/habr.com\/ru\/articles\/811621\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-375155","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/375155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=375155"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/375155\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=375155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=375155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=375155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}