{"id":46796,"date":"2023-12-31T01:53:59","date_gmt":"2023-12-30T08:34:27","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8spring-boot-spring-kafka%e5%b0%86%e6%b6%88%e6%81%af%e5%8f%91%e9%80%81%e5%88%b0kafka%e3%80%82\/"},"modified":"2024-05-04T16:06:09","modified_gmt":"2024-05-04T08:06:09","slug":"%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8spring-boot-spring-kafka%e5%b0%86%e6%b6%88%e6%81%af%e5%8f%91%e9%80%81%e5%88%b0kafka%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%af%95%e8%af%95%e4%bd%bf%e7%94%a8spring-boot-spring-kafka%e5%b0%86%e6%b6%88%e6%81%af%e5%8f%91%e9%80%81%e5%88%b0kafka%e3%80%82\/","title":{"rendered":"\u8bd5\u8bd5\u4f7f\u7528Spring Boot + Spring Kafka\u5c06\u6d88\u606f\u53d1\u9001\u5230Kafka"},"content":{"rendered":"<p>\u6211\u8c03\u7814\u4e86\u4f7f\u7528 Spring Kafka \u5411 Kafka \u53d1\u9001\u6d88\u606f\u7684\u65b9\u6cd5\uff0c\u5e76\u8fdb\u884c\u4e86\u603b\u7ed3\u3002<br \/>\n\u4ee5\u4e0b\u662f\u7ed3\u5408\u4e86 Spring Boot \u4f7f\u7528\u7684\u793a\u4f8b\u3002<\/p>\n<h1>\u73af\u5883\u5efa\u8bbe<\/h1>\n<p>\u8bf7\u53c2\u8003 Kafka \u7684\u5b98\u65b9 QUICK START\uff0c\u5173\u4e8e Kafka \u7684\u5b89\u88c5\u4e0e\u914d\u7f6e\u6307\u5357\u6211\u4eec\u4e0d\u518d\u8d58\u8ff0\u3002<br \/>\nhttps:\/\/kafka.apache.org\/quickstart<\/p>\n<p>Spring Boot \u5e94\u7528\u7a0b\u5e8f\u4f1a\u5728 pom.xml \u6587\u4ef6\u4e2d\u6dfb\u52a0 Spring Kafka\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"nt\">&lt;parent&gt;<\/span>\r\n        <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n        <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-parent<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;version&gt;<\/span>2.1.0.RELEASE<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;relativePath\/&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/parent&gt;<\/span>\r\n    <span class=\"nt\">&lt;dependencies&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-web<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.kafka<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-kafka<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/dependencies&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u9700\u8981\u5728 application.yml \u6587\u4ef6\u4e2d\u6307\u5b9a Kafka \u670d\u52a1\u5668\u7684\u542f\u52a8\u4f4d\u7f6e\u3002<br \/>\n\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u5728 localhost:9092 \u4e0a\u542f\u52a8\u7684\uff0c\u6240\u4ee5\u53ea\u6709\u5728\u9700\u8981\u66f4\u6539\u65f6\u624d\u9700\u8981\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">spring<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">kafka<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">bootstrap-servers<\/span><span class=\"pi\">:<\/span> <span class=\"s\">hostname:9092<\/span>\r\n<\/code><\/pre>\n<h1>KafkaTemplate \u5361\u592b\u5361\u6a21\u677f\u3002<\/h1>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528KafkaTemplate\u7c7b\u6765\u5411Kafka\u53d1\u9001\u6d88\u606f\u3002<br \/>\n\u4f60\u9700\u8981\u6307\u5b9a\u7c7b\u578b\u53c2\u6570\uff0c\u5e76\u5206\u522b\u6307\u5b9a\u8981\u53d1\u9001\u7684\u6570\u636e\u7684\u952e\u548c\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0ckey\u548cvalue\u90fd\u4f1a\u4f7f\u7528StringSerializer\u8fdb\u884c\u5e8f\u5217\u5316\uff0c\u56e0\u6b64\u6700\u597d\u5c06\u7c7b\u578b\u53c2\u6570\u8bbe\u7f6e\u4e3aString\u3002<\/p>\n<h2>\u5bc4\u4fe1\u7684\u65b9\u5f0f<\/h2>\n<p>\u4f7f\u7528send\u65b9\u6cd5\u5c06\u6d88\u606f\u53d1\u9001\u5230Kafka\u3002\u81f3\u5c11\u9700\u8981\u6307\u5b9atopic\u548cvalue\u3002<br \/>\n\u540c\u65f6\uff0c\u4f7f\u7528sendDefault\u65b9\u6cd5\u53ef\u4ee5\u7701\u7565\u6307\u5b9atopic\u3002<br \/>\n\u9ed8\u8ba4\u7684topic\u53ef\u4ee5\u5728application.yml\u7684spring.kafka.template.default-topic\u4e2d\u8bbe\u7f6e\u3002<\/p>\n<p>\u65e0\u8bba\u54ea\u79cd\u65b9\u6cd5\uff0c\u8fd4\u56de\u503c\u90fd\u662fListenableFuture\uff0c\u5e76\u4e14\u662f\u5f02\u6b65\u5904\u7406\u7684\u3002<br \/>\n\u5982\u679c\u8981\u8fdb\u884c\u540c\u6b65\u5904\u7406\uff0c\u5219\u9700\u8981\u8c03\u7528get()\u3002<\/p>\n<p>\u5982\u679c\u53ea\u60f3\u5b9a\u4e49\u6210\u529f\u65f6\u7684\u56de\u8c03\uff0c\u53ef\u4ee5\u4f7f\u7528SuccessCallback\u4ee3\u66ffListenableFutureCallback\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HelloKafka<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"nc\">KafkaTemplate<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">template<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">helloKafka<\/span><span class=\"o\">(){<\/span>\r\n        <span class=\"c1\">\/\/ \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u975e\u540c\u671f\u547c\u3073\u51fa\u3057<\/span>\r\n        <span class=\"n\">template<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3092\u8a2d\u5b9a\u3059\u308b\u975e\u540c\u671f\u547c\u3073\u51fa\u3057<\/span>\r\n        <span class=\"n\">template<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"o\">).<\/span><span class=\"na\">addCallback<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">ListenableFutureCallback<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">SendResult<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;&gt;()<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nd\">@Override<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">onSuccess<\/span><span class=\"o\">(<\/span><span class=\"nc\">SendResult<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">result<\/span><span class=\"o\">){<\/span>\r\n                <span class=\"c1\">\/\/ \u6210\u529f\u6642\u306e\u51e6\u7406<\/span>\r\n            <span class=\"o\">}<\/span>\r\n\r\n            <span class=\"nd\">@Override<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">onFailure<\/span><span class=\"o\">(<\/span><span class=\"nc\">Throwable<\/span> <span class=\"n\">ex<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"c1\">\/\/ \u5931\u6557\u6642\u306e\u51e6\u7406<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">});<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u540c\u671f\u547c\u3073\u51fa\u3057<\/span>\r\n        <span class=\"n\">template<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"o\">).<\/span><span class=\"na\">get<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u5236\u7247\u4eba\u76d1\u542c\u8005<\/h1>\n<p>KafkaTemplate \u53ef\u4ee5\u4f7f\u7528 ProducerListener \u6765\u5b9a\u4e49\u5171\u4eab\u7684\u56de\u8c03\u51fd\u6570\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u8bbe\u7f6e\u4e86 LoggingProducerListener\uff0c\u5f53\u51fa\u73b0\u9519\u8bef\u65f6\u4f1a\u8f93\u51fa\u65e5\u5fd7\u3002<\/p>\n<p>\u5982\u679c\u8981\u81ea\u5df1\u521b\u5efa\uff0c\u5c31\u8981\u521b\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86 ProducerListener \u63a5\u53e3\u7684\u7c7b\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a Bean \u6ce8\u518c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Bean<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nc\">ProducerListener<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Object<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">listener<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">ProducerListener<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">Object<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span><span class=\"o\">&gt;()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nd\">@Override<\/span>\r\n        <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">onSuccess<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">topic<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Integer<\/span> <span class=\"n\">partition<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span> <span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span> <span class=\"n\">value<\/span><span class=\"o\">,<\/span> <span class=\"nc\">RecordMetadata<\/span> <span class=\"n\">recordMetadata<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">info<\/span><span class=\"o\">(<\/span><span class=\"s\">\"topic: {}, partition: {}, key: {}, value: {}\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">topic<\/span><span class=\"o\">,<\/span> <span class=\"n\">partition<\/span><span class=\"o\">,<\/span> <span class=\"n\">key<\/span><span class=\"o\">,<\/span> <span class=\"n\">value<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">};<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u5e8f\u5217\u5316\u5668<\/h1>\n<p>\u5982\u4e0a\u6240\u8ff0\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f7f\u7528 StringSerializer\u3002<br \/>\n\u56e0\u6b64\uff0c\u53ea\u80fd\u53d1\u9001 String \u6570\u636e\u548c\u53ef\u8f6c\u6362\u4e3a String \u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n<p>\u8981\u66f4\u6539Serializer\uff0c\u9700\u8981\u7f16\u8f91application.yml\u3002<br \/>\n\u4f8b\u5982\uff0c\u8981\u5c06\u5176\u66f4\u6539\u4e3a\u5c06JSON\u5e8f\u5217\u5316\u4e3aJsonSerializer\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">spring<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">kafka<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">producer<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">value-serializer<\/span><span class=\"pi\">:<\/span> <span class=\"s\">org.springframework.kafka.support.serializer.JsonSerializer<\/span>\r\n      <span class=\"na\">key-serializer<\/span><span class=\"pi\">:<\/span> <span class=\"s\">org.springframework.kafka.support.serializer.JsonSerializer<\/span>\r\n<\/code><\/pre>\n<p>\u952e\u548c\u503c\u90fd\u9700\u8981\u8bbe\u7f6e\u3002<\/p>\n<h1>\u4ea4\u6613<\/h1>\n<p>\u4e3a\u4e86\u542f\u7528\u4e8b\u52a1\u63a7\u5236\uff0c\u9700\u8981\u5728application.yml\u4e2d\u8bbe\u7f6etransaction-id-prefix\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">spring<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">kafka<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">producer<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">transaction-id-prefix<\/span><span class=\"pi\">:<\/span> <span class=\"s\">tx<\/span>\r\n<\/code><\/pre>\n<p>\u5982\u679c\u6fc0\u6d3b\u4e86\u4e8b\u52a1\uff0c\u5219\u5728\u672a\u5904\u4e8e\u4e8b\u52a1\u7ba1\u7406\u72b6\u6001\u4e0b\u4f7f\u7528send\u65b9\u6cd5\u65f6\uff0c\u4f1a\u53d1\u751f\u9700\u8981\u5728\u4e8b\u52a1\u7ba1\u7406\u72b6\u6001\u4e0b\u6267\u884c\u7684\u9519\u8bef\u3002<\/p>\n<h2>@\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\u7684Transactional<\/h2>\n<p>\u901a\u8fc7\u7ed9\u4e88 @Transactional\u6ce8\u89e3, \u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u65b9\u6cd5\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\u3002\u53ef\u4ee5\u8bbe\u7f6e propagation\u7b49\u53c2\u6570\uff0c\u4f46\u7531\u4e8eKafka\u4e0d\u652f\u6301isolation\u53c2\u6570\uff0c\u5982\u679c\u66f4\u6539\u4e86\u9ed8\u8ba4\u503c\uff0c\u5c06\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"nd\">@Transactional<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HelloKafka<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"nc\">KafkaTemplate<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">template<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">helloKafka<\/span><span class=\"o\">(){<\/span>\r\n        <span class=\"n\">template<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">RuntimeException<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528executeInTransaction\u65b9\u6cd5<\/h2>\n<p>\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528 KafkaTemplate \u7684 executeInTransaction \u65b9\u6cd5\u6765\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u6307\u5b9a\u7684\u56de\u8c03\u51fd\u6570\u5bf9\u5e94\u7684\u5904\u7406\u5c06\u88ab\u89c6\u4e3a\u540c\u4e00\u4e2a\u4e8b\u52a1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Component<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">HelloKafka<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"nc\">KafkaTemplate<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">template<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">helloKafka<\/span><span class=\"o\">(){<\/span>\r\n        <span class=\"n\">template<\/span><span class=\"o\">.<\/span><span class=\"na\">executeInTransaction<\/span><span class=\"o\">(<\/span><span class=\"n\">t<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"c1\">\/\/ \u3053\u306e\u4e2d\u306e\u51e6\u7406\u304c\u540c\u4e00\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3<\/span>\r\n            <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"value\"<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">t<\/span><span class=\"o\">.<\/span><span class=\"na\">send<\/span><span class=\"o\">(<\/span><span class=\"s\">\"sample\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"vvvvv\"<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"o\">});<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u5728\u88ab\u6807\u8bb0\u4e3a @Transactional \u7684\u65b9\u6cd5\u5185\u90e8\u4f7f\u7528 executeInTransaction \u65b9\u6cd5\u65f6\uff0c\u4e0d\u4f1a\u53c2\u4e0e\u539f\u6709\u7684\u4e8b\u52a1\uff0c\u800c\u662f\u4f1a\u751f\u6210\u4e00\u4e2a\u65b0\u7684\u4e8b\u52a1\u3002\uff08\u5373\u4f7f\u7528 REQUIRES_NEW\uff09\u3002<\/p>\n<h2>\u8fdb\u884c\u52a8\u4f5c\u786e\u8ba4\u65f6\u8981\u6ce8\u610f\u4e8b\u9879\u3002<\/h2>\n<p>\u6211\u4e00\u76f4\u5728\u4f7f\u7528kafka-console-consumer\u8fdb\u884c\u6d4b\u8bd5\uff0c\u4f46\u662f\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u4e00\u76f4\u9677\u5165\u4e86\u4e8b\u52a1\u65e0\u6cd5\u6309\u9884\u671f\u8fd0\u884c\u7684\u56f0\u5883\u4e2d\u3002\u95ee\u9898\u7684\u539f\u56e0\u662f\u8be5\u5de5\u5177\u7684isolation-level\u9ed8\u8ba4\u8bbe\u7f6e\u4e3aread_uncommitted\uff0c\u8fd9\u5bfc\u81f4\u672a\u63d0\u4ea4\u7684\u6d88\u606f\u4e5f\u4f1a\u663e\u793a\u51fa\u6765\uff0c\u6211\u8bef\u4ee5\u4e3a\u4e8b\u52a1\u63a7\u5236\u65e0\u6cd5\u6b63\u5e38\u8fdb\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u8981\u4f7f\u7528\u6b64\u5de5\u5177\u8fdb\u884c\u786e\u8ba4\uff0c\u8bf7\u5c06\u9694\u79bb\u7ea7\u522b\u8bbe\u7f6e\u4e3a\u201c\u8bfb\u53d6\u5df2\u63d0\u4ea4\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code>kafka-console-consumer --bootstrap-server localhost:9092 --topic sample --isolation-level read_committed\r\n<\/code><\/pre>\n<p>\u6211\u8ba4\u4e3a\uff0c\u5373\u4f7f\u5728\u4f7f\u7528\u5176\u4ed6\u5de5\u5177\u8fdb\u884c\u786e\u8ba4\u65f6\uff0c\u4e5f\u53ef\u4ee5\u786e\u8ba4\u9694\u79bb\u7ea7\u522b\u8bbe\u7f6e\u4e3a\u4f55\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6d88\u606f\u53d1\u9001\u5230Kafka\u3002<br \/>\n\u6839\u636e\u5b98\u65b9\u6587\u6863\u663e\u793a\uff0c\u53ef\u4ee5\u4e0e\u5176\u4ed6\u4e8b\u52a1\u7ba1\u7406\u5668\uff08\u5982DataSourceTransactionManager\uff09\u540c\u6b65\u8fdb\u884c\u4e8b\u52a1\u7ba1\u7406\uff0c\u5e76\u4e14\u4f3c\u4e4e\u8fd8\u6709\u4e00\u4e2a\u540d\u4e3aReplyingKafkaTemplate\u7684\u4e1c\u897f\uff0c\u6240\u4ee5\u6211\u60f3\u8fdb\u4e00\u6b65\u8c03\u67e5\u4e00\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u8c03\u7814\u4e86\u4f7f\u7528 Spring Kafka \u5411 Kafka \u53d1\u9001\u6d88\u606f\u7684\u65b9\u6cd5\uff0c\u5e76\u8fdb\u884c\u4e86\u603b\u7ed3\u3002 \u4ee5\u4e0b\u662f\u7ed3\u5408\u4e86 Spri [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46796","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8bd5\u8bd5\u4f7f\u7528Spring Boot + Spring Kafka\u5c06\u6d88\u606f\u53d1\u9001\u5230Kafka - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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