{"id":220,"date":"2024-04-13T05:46:59","date_gmt":"2024-04-12T21:46:59","guid":{"rendered":"https:\/\/joson.cc:8888\/?p=220"},"modified":"2024-04-13T05:47:26","modified_gmt":"2024-04-12T21:47:26","slug":"rocketmq-%e5%b0%81%e8%a3%85%e5%ba%93-%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/joson.cc\/?p=220","title":{"rendered":"rocketMQ-\u5c01\u88c5\u5e93 \u4f7f\u7528"},"content":{"rendered":"\n

\u4e00\uff0c\u5f15\u5165\u672c\u5730\u4f9d\u8d56\uff0c \u6ce8\u610f\u81ea\u5df1\u7684\u7535\u8111\u662f\u5426\u914d\u7f6e\u6709\u672c\u5730\u5e93\uff0c\u6ca1\u914d\u7f6e\u95ee\u4e00\u4e0b\u522b\u4eba<\/p>\n\n\n\n

     <!--<dependency>\n            <groupId>org.apache.rocketmq<\/groupId>\n            <artifactId>rocketmq-spring-boot-starter<\/artifactId>\n            <version>2.3.0<\/version>\n     <\/dependency>-->  \u8fd9\u4e2a\u5c31\u4e0d\u8981\u4e86\uff0c\u5173\u4e8e rocketmq\u7684\u4e00\u5207\u4f9d\u8d56\u90fd\u53ef\u4ee5\u5220\u6389\uff0c\u53ea\u9700\u8981\u4fdd\u7559\u4ee5\u4e0b\u672c\u5730\u5e93\n\n        <dependency>\n            <groupId>org.dxstudio<\/groupId>\n            <artifactId>dx-rocketmq-starter<\/artifactId>\n            <version>0.0.1-SNAPSHOT<\/version>\n        <\/dependency><\/pre>\n\n\n\n
\u4e8c\uff0c\u914d\u7f6e\u6587\u4ef6\u589e\u52a0\u4ee5\u4e0b\u5185\u5bb9<\/p>\n\n\n\n
environment: local  #\u8fd9\u91cc\u5404\u4e2a\u73af\u5883\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u73af\u5883\u6807\u8bb0\uff0c\u53eb\u4ec0\u4e48\u4e0d\u91cd\u8981\uff0c\u76ee\u524d\u7edf\u4e00 local | dev | pron | prod\nrocketmq:\n  consumer:\n    # \u4e00\u6b21\u62c9\u53d6\u6d88\u606f\u6700\u5927\u503c\uff0c\u6ce8\u610f\u662f\u62c9\u53d6\u6d88\u606f\u7684\u6700\u5927\u503c\u800c\u975e\u6d88\u8d39\u6700\u5927\u503c\n    pull-batch-size: 10\n  producer:\n    group: dx-dump-group\n    # \u53d1\u9001\u6d88\u606f\u8d85\u65f6\u65f6\u95f4\uff0c\u9ed8\u8ba43000\n    sendMessageTimeout: 3000\n    # \u53d1\u9001\u6d88\u606f\u5931\u8d25\u91cd\u8bd5\u6b21\u6570\uff0c\u9ed8\u8ba42\n    retryTimesWhenSendFailed: 2\n    # \u5f02\u6b65\u6d88\u606f\u91cd\u8bd5\u6b64\u5904\uff0c\u9ed8\u8ba42\n    retryTimesWhenSendAsyncFailed: 2\n    # \u6d88\u606f\u6700\u5927\u957f\u5ea6\uff0c\u9ed8\u8ba41024 * 1024 * 4(\u9ed8\u8ba44M)\n    maxMessageSize: 4096\n    # \u538b\u7f29\u6d88\u606f\u9608\u503c\uff0c\u9ed8\u8ba44k(1024 * 4)\n    compressMessageBodyThreshold: 4096\n    # \u662f\u5426\u5728\u5185\u90e8\u53d1\u9001\u5931\u8d25\u65f6\u91cd\u8bd5\u53e6\u4e00\u4e2abroker\uff0c\u9ed8\u8ba4false\n    retryNextServer: false\n  name-server: 192.168.222.10:9876<\/pre>\n\n\n\n
\u4e09\uff0cmain\u4e0a\u6dfb\u52a0\u6ce8\u89e3<\/p>\n\n\n\n
\u4e3a\u4e86\u81ea\u52a8\u6ce8\u5165\u4e09\u65b9\u5e93\u4e2d\u7684\u7c7b\u3002\u56e0\u4e3a\u5728\u914d\u7f6e\u4e2d\u505a\u4e86 \u6ce8\u89e3\u62e6\u622a\u548c\u4fee\u6539\uff0c\u7528\u4e8e\u81ea\u52a8\u9694\u79bb\u73af\u5883\uff0c\u81ea\u52a8\u66f4\u6539\u4f60\u7684\u4fa6\u542c\u5668\u91cc\u7684group\u548ctopic<\/p>\n\n\n\n
@MapperScan(\"org.dxstudio.dump.core.mapper\")\n@EnableAsync\n@SpringBootApplication\n@ComponentScan(\"org.dxstudio.*\")  \/\/\u52a0\u4e0a\u8fd9\u4e2a\npublic class DumpApplication {\n\n    public static void main(String[] args) {\n        SpringApplication.run(DumpApplication.class, args);\n    }\n\n}<\/pre>\n\n\n\n
\u56db\uff0c\u53d1\u5e03\u6d88\u606f<\/p>\n\n\n\n
\u5df2\u7ecf\u4f7f\u7528\u9879\u76ee\u7ec4\u7684\u89c4\u5219\u505a\u4e86\u5c01\u88c5\uff0c\u4e3a\u4fdd\u6301\u7edf\u4e00\uff0c\u867d\u7136\u6ca1\u6709\u4e8c\u6b21\u5c01\u88c5 rocketMQTemplate\uff0c\u4e5f\u8bf7\u4f7f\u7528\u5c01\u88c5\u597d\u7684 topic \u548cmessage \u6765<\/p>\n\n\n\n
@Autowired\nRocketMQTemplate rocketMQTemplate;\n\nprivate SendResult sendMsg(int taskId ){\n        \/\/\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6807\u7b7e\uff0c\u6211\u4eec\u7ea6\u5b9a\u4e3a\u4e8b\u4ef6\u7c7b\u578b\uff0c\n        \/\/\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6d88\u606f\u7684key\uff08\u7528\u4e8e\u5728mq\u540e\u53f0\u67e5\u8be2\uff09\uff0c\u8fd9\u91cc\u5982\u679c\u662f\u8ba2\u5355 \u76f4\u63a5\u8ba2\u5355\u53f7\uff0c\u5176\u4ed6\u4f7f\u7528ID\u5373\u53ef\n        \/\/\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u4f60\u8981\u53d1\u9001\u7684\u6d88\u606f\u4f53\uff0c\u8303\u578b\uff0c\u7231\u4f20\u4ec0\u4e48\u4f20\u4ec0\u4e48\n        DxMQTpl<Integer> t = new DxMQTpl<>(\"task\", String.valueOf( taskId ), taskId);\n\n        \/\/\u6ca1\u6709\u518d\u4e8c\u6b21\u5c01\u88c5 rocketMQTemplate\uff0c \u6240\u4ee5\u53ef\u4ee5\u7f51\u4e0a\u641c\u7d22\u8fd9\u4e2a\u7684\u53d1\u9001\u65b9\u6cd5\u5373\u53ef\uff0c\u6ca1\u6709\u7279\u522b\u60c5\u51b5\u4e00\u822c\u5c31\u7528 syncSend\n        SendResult result = rocketMQTemplate.syncSend( t.topic(), t.message() );\n        log.info(\"\u53d1\u9001\u6d88\u606f {}\", result) ;\n        return result;\n\n}<\/pre>\n\n\n\n
\u4e94\uff0c\u6d88\u8d39\u6d88\u606f<\/p>\n\n\n\n
\u6d88\u8d39\u6d88\u606f\u5df2\u7ecf\u5c01\u88c5\u597d\u4e86\u5904\u7406\u65b9\u6cd5\uff0c\u7ee7\u627fDxMQMessageHandler<T>\u3001\u5e76\u5b9e\u73b0 RocketMQListener< DxMQMessage<T> > \u5373\u53ef\u3002

@RocketMQMessageListener \u8fd9\u4e2a\u662f rocketMQTemplate \u7684\u6ce8\u91ca\uff0c\u53ef\u7f51\u4e0a\u67e5\u8d44\u6599\uff0c\u4e00\u822c\u5c31\u7528\u6211\u4e0b\u9762\u7684\u5373\u53ef\uff0c\u6539\u6210\u81ea\u5df1\u8981\u8ba2\u9605\u7684\u9891\u9053<\/p>\n\n\n\n
@Slf4j\n@RocketMQMessageListener(consumerGroup = \"dx-dump-group\",\n        topic = \"dx-dump\",\n        selectorExpression = \"task\",\n        selectorType = SelectorType.TAG,\n        consumeThreadMax = 1,\n        consumeThreadNumber = 1)\npublic class Consumer extends DxMQMessageHandler<Long> implements RocketMQListener< DxMQMessage<Long> > {\n    @Autowired\n    TaskScanService taskScanService;\n    \n    \/\/\u8fd9\u91cc\u56fa\u5b9a\u5199 \u6267\u884c\u8d85\u7c7b\u65b9\u6cd5\u5373\u53ef\n    @Override\n    public void onMessage( DxMQMessage<Long> msg) {\n        super.dispatchMessage( msg );\n    }\n    \n    \/\/\u8fd9\u91cc\u662f\u81ea\u5df1\u771f\u6b63\u8981\u5904\u7406\u7684\u903b\u8f91\uff0c\u6709\u95ee\u9898\u6beb\u65e0\u72b9\u8c6b\u629b\u51fa\u5f02\u5e38\u5373\u53ef\n    @Override\n    protected void handleMessage(DxMQMessage<Long> message) throws Exception {\n        log.info(\"\u5904\u7406\u6d88\u606f {}\", message);\n\/\/        throw new RuntimeException(\"\u6d4b\u8bd5\u4e00\u4e0b\u5f02\u5e38\");\n    }\n    \n    \/\/\u8fd9\u91cc\u662f\u5f02\u5e38\u65f6\u8981\u505a\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u6807\u8bb0\u5f02\u5e38\u3002 \n    \/\/\u8fd9\u91cc\u5fc5\u987b\u662f\u91cd\u8bd5\u90fd\u5931\u8d25\u4e86\u624d\u4f1a\u6700\u540e\u89e6\u53d1\uff0c\u6bd4\u5982\u5173\u95ed isRetry \u548c throwException\u3002 throwException\u5f00\u542f\u4f1a\u89e6\u53d1rocketmq\u7684\u81ea\u52a8\u91cd\u53d1\n    @Override\n    protected void handleMaxRetriesExceeded(DxMQMessage<Long> message) {\n        log.error(\"\u6d88\u8d39\u5931\u8d25\uff0c\u540e\u7eed\u5904\u7406\uff0c\u6bd4\u5982\u6807\u8bb0\u5f02\u5e38\");\n    }\n    \n\n    \/\/\u8fc7\u6ee4\u65b9\u6cd5\uff0c\u8fd4\u56detrue\u4e0d\u4f1a\u6267\u884chandleMessage\u3002 \u7528\u4e8e\u9650\u5236\u91cd\u590d\u7684\u6d88\u606f\u6d88\u8d39(rocketmq\u4e0d\u4f1a\u4fdd\u8bc1\u4e0d\u91cd\u590d)\uff0c\u6bd4\u5982\u8ba2\u5355\u5df2\u7ecf\u5904\u7406\u8fc7\u4e86\uff0c\u5728\u8fd9\u91cc\u4e2a\u65b9\u6cd5\u91cc\u68c0\u67e5\u597d\uff0c\u5c31\u4e0d\u5e94\u8be5\u518d\u7ee7\u7eed\u5904\u7406\n    @Override\n    protected boolean filter(DxMQMessage<Long> message) {\n        return super.filter(message);\n    }\n    \n    \/\/\u5982\u679c\u8981\u81ea\u5df1\u4fee\u6539\u91cd\u8bd5\u89c4\u5219(mq\u7684\u91cd\u8bd5\u662f\u4e00\u76f4\u4f1a\u6709)\uff0c\u5f00\u542ftrue\uff0c\u5219\u6bcf\u6b21\u53d1\u751f\u5f02\u5e38\uff0c\u662f\u7531\u4ee3\u7801\u63a7\u5236 \u91cd\u65b0\u53d1\u6d88\u606f\u3002\u8fd9\u6837\u81ea\u5df1\u53ef\u4ee5\u63a7\u5236\u91cd\u8bd5\u591a\u5c11\u6b21(5\u79d2\u95f4\u9694)\uff0c\u8fbe\u5230\u6700\u5927\u6b21\u6570\u540e\u89e6\u53d1handleMaxRetriesExceeded\n    \/\/\u8fd9\u4e2a\u8981\u770b\u81ea\u5df1\u7684\u4e1a\u52a1\uff0c\u5141\u8bb8\u5f02\u5e38\u7684\u4e1a\u52a1 \u7528\u8fd9\u4e2a\uff0c\u4e0d\u5141\u8bb8\u5f02\u5e38\u7684\uff0c\u4f7f\u7528mq\u7684\u91cd\u8bd5\n    @Override\n    protected boolean isRetry() {\n        return true;\n    }\n\n    @Override\n    protected boolean throwException() {\n        return true;\n    }\n}<\/pre>\n\n\n\n
\u516d\uff0c\u9644\u4e0arocketmq\u7684\u91cd\u53d1\u673a\u5236<\/p>\n\n\n\n
<\/p>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
\u4e00\uff0c\u5f15\u5165\u672c\u5730\u4f9d\u8d56\uff0c \u6ce8\u610f\u81ea\u5df1\u7684\u7535\u8111\u662f\u5426\u914d\u7f6e\u6709\u672c\u5730\u5e93\uff0c\u6ca1\u914d\u7f6e\u95ee\u4e00\u4e0b\u522b\u4eba \u4e8c\uff0c\u914d\u7f6e\u6587\u4ef6\u589e\u52a0\u4ee5\u4e0b\u5185\u5bb9 \u4e09\uff0cmain\u4e0a… \u7ee7\u7eed\u9605\u8bfbrocketMQ-\u5c01\u88c5\u5e93 \u4f7f\u7528<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[28],"class_list":["post-220","post","type-post","status-publish","format-standard","hentry","category-8","tag-java","entry"],"_links":{"self":[{"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/posts\/220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/joson.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=220"}],"version-history":[{"count":1,"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions"}],"predecessor-version":[{"id":222,"href":"https:\/\/joson.cc\/index.php?rest_route=\/wp\/v2\/posts\/220\/revisions\/222"}],"wp:attachment":[{"href":"https:\/\/joson.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/joson.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/joson.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}