{"id":46699,"date":"2023-12-26T23:23:33","date_gmt":"2023-03-28T09:31:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46699-2\/"},"modified":"2024-05-04T15:32:34","modified_gmt":"2024-05-04T07:32:34","slug":"46699-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46699-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u306f\u3058\u3081\u306b<\/h1>\n<p>Apache kafka\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u5927\u91cf\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9ad8\u901f\u306bpublish\/subscribe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u306f\u3001\u7d71\u5408\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3042\u308bApache Camel\u3092\u7528\u3044\u3066kafka\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u3084\u308a\u3068\u308a\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\nApache Camel\u3067kafka\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u306fcamel-kafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u74b0\u5883\u3067\u306f\u3001kafka\u306fv2.0.0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u74b0\u5883\u306e\u69cb\u7bc9\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul class=\"post-ul\">Apacke kafka v2.0.0\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u308b<\/ul>\n<p>\u307e\u305f\u3001\u4ee5\u524d\u306b\u6b21\u306e\u8a18\u4e8b\u3067\u540c\u69d8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092XML DSL\u3067\u66f8\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u4eca\u56de\u306fJava DSL\u3092\u7528\u3044\u3066\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002\u307e\u305f\u3001\u524d\u56de\u3088\u308a\u3082\u8a73\u7d30\u306b\u66f8\u3044\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<ul class=\"post-ul\">Apache Camel\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306eKafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1<\/ul>\n<h1>\u4f5c\u6210\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8aac\u660e<\/h1>\n<p>\u4eca\u56de\u4f5c\u6210\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4e0b\u56f3\u306e\u3088\u3046\u306b1\u79d2\u3054\u3068\u306b\u65e5\u6642\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092kafka\u3078publish\u3057\u3001kafka\u304b\u3089\u540c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d661b37434c4406d093e0\/8-0.png\" alt=\"image.png\" \/><\/div>\n<p>Apache Camel\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u3053\u306e\u3088\u3046\u306akafka\u3092\u7528\u3044\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4ee5\u4e0b\u306e\u6570\u5341\u884c\u306e\u30b3\u30fc\u30c9\u3060\u3051\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002main\u95a2\u6570\u306b\u5168\u3066\u30b3\u30fc\u30c9\u3092\u5165\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u7dba\u9e97\u306a\u30b3\u30fc\u30c9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001Camel\u306b\u3088\u308a\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3053\u3068\u304c\u5206\u304b\u3063\u3066\u3082\u3089\u3048\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">CamelContext<\/span> <span class=\"n\">context<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DefaultCamelContext<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"nc\">KafkaComponent<\/span> <span class=\"n\">kafka<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaComponent<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"n\">kafka<\/span><span class=\"o\">.<\/span><span class=\"na\">setBrokers<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka1:9092,kafka2:9092,kafka3:9092\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ kafka1, kafka2, kafka3\u306e3\u30b5\u30fc\u30d0\u3092\u30d6\u30ed\u30fc\u30ab\u3068\u3057\u3066\u767b\u9332<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">addComponent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">kafka<\/span><span class=\"o\">);<\/span>\r\n\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">addRoutes<\/span><span class=\"o\">(<\/span><span class=\"k\">new<\/span> <span class=\"nc\">RouteBuilder<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">configure<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n                    <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"timer:trigger?period=1000\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ 1000\u30df\u30ea\u79d2\u6bce\u306b\u5b9f\u884c<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_producer_route\"<\/span><span class=\"o\">)<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">setBody<\/span><span class=\"o\">(<\/span><span class=\"n\">simple<\/span><span class=\"o\">(<\/span><span class=\"s\">\"${date:now:yyyy-MM-dd HH:mm:ss}\"<\/span><span class=\"o\">))<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306b\u73fe\u5728\u306e\u65e5\u6642\u3092\u8a2d\u5b9a<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">to<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092publish<\/span>\r\n\r\n                    <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_consumer_route\"<\/span><span class=\"o\">)<\/span>\r\n                            <span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"body = ${body}\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306e\u5185\u5bb9\u3092\u30ed\u30b0\u306b\u8868\u793a<\/span>\r\n                <span class=\"o\">}<\/span>\r\n            <span class=\"o\">});<\/span>\r\n\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"nc\">Thread<\/span><span class=\"o\">.<\/span><span class=\"na\">sleep<\/span><span class=\"o\">(<\/span><span class=\"mi\">10000<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">stop<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u305d\u308c\u3067\u306f\u3001kafka\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h1>kafka\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3059\u308b<\/h1>\n<p>Maven\u306e\u5834\u5408\u306f\u3001pom.xml\u306b\u4ee5\u4e0b\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\ncamel-kafka\u304cCamel\u3067Kafka\u3092\u6271\u3046\u305f\u3081\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3001${camel.version}\u306b\u306f\u4f7f\u7528\u3057\u3066\u3044\u308bcamel\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\nkafka-clients\u306fKafka\u7528\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.apache.camel<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>camel-kafka<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>${camel.version}<span class=\"nt\">&lt;\/version&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.apache.kafka<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>kafka-clients<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>2.0.0<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306eURI<\/h1>\n<p>camel-kafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306eURI\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>kafka:topic[?options]\r\n<\/code><\/pre>\n<p>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d1\u30b9\uff08topic\uff09\u306b\u306f\u5bfe\u8c61\u306e\u30c8\u30d4\u30c3\u30af\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h1>\u30e1\u30c3\u30bb\u30fc\u30b8\u3092publish\/subscribe\u3059\u308broute\u3092\u4f5c\u6210\u3059\u308b<\/h1>\n<p>kafka\u3078\u30e1\u30c3\u30bb\u30fc\u30b8\u3092publish\u3059\u308broute\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\nJava DSL\u3067\u66f8\u3044\u305froute\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30c8\u30d4\u30c3\u30af\u306f\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u307e\u3059\u304c\u3001\u30c8\u30d4\u30c3\u30af\u306e\u8a2d\u5b9a\u3092\u5909\u3048\u305f\u3044\u5834\u5408\u306f\u624b\u52d5\u3067\u4f5c\u6210\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br \/>\n\u30b3\u30fc\u30c9\u306f\u7c21\u5358\u3059\u304e\u308b\u306e\u3067\u7279\u306b\u8aac\u660e\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u306d\u3002<\/p>\n<pre class=\"post-pre\"><code>                <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"timer:trigger?period=1000\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ 1000\u30df\u30ea\u79d2\u6bce\u306b\u5b9f\u884c<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_producer_route\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">setBody<\/span><span class=\"o\">(<\/span><span class=\"n\">simple<\/span><span class=\"o\">(<\/span><span class=\"s\">\"${date:now:yyyy-MM-dd HH:mm:ss}\"<\/span><span class=\"o\">))<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306b\u73fe\u5728\u306e\u65e5\u6642\u3092\u8a2d\u5b9a<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">to<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092publish<\/span>\r\n<\/code><\/pre>\n<p>\u6b21\u306bkafka\u3078\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe\u3059\u308broute\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\nJava DSL\u3067\u66f8\u3044\u305froute\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>                <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_consumer_route\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"body = ${body}\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306e\u5185\u5bb9\u3092\u30ed\u30b0\u306b\u8868\u793a<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u308c\u3060\u3051\u3067\u306fkafka\u3078\u63a5\u7d9a\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3092\u66f8\u304d\u307e\u3059\u3002<br \/>\n\u307e\u305a\u6700\u521d\u306bkafka\u306e\u8a2d\u5b9a\u3092\u767b\u9332\u3059\u308bKafkaConfiguration\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3001kafka\u3078\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u307e\u3059\u3002\u69d8\u3005\u306a\u8a2d\u5b9a\u9805\u76ee\u304c\u3042\u308a\u3001\u5f8c\u3067\u7c21\u5358\u306b\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3044\u304f\u3064\u304b\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u3042\u308c\u3070\u3001setBrokers\u30e1\u30bd\u30c3\u30c9\u3067\u63a5\u7d9a\u5148\u306e\u30d6\u30ed\u30fc\u30ab\u3092\u8a2d\u5b9a\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u305d\u308c\u4ee5\u5916\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5024\u304c\u4f7f\u7528\u3055\u308c\u308b\u305f\u3081\u8a2d\u5b9a\u3057\u306a\u304f\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"nc\">KafkaConfiguration<\/span> <span class=\"n\">kafkaConfig<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaConfiguration<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setBrokers<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka1:9092,kafka2:9092,kafka3:9092\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 3\u53f0\u306ekafka\u30d6\u30ed\u30fc\u30ab\u3078\u63a5\u7d9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setGroupId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"group1\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ consumer\u306e\u30b0\u30eb\u30fc\u30d7ID\u3092\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommitEnable<\/span><span class=\"o\">(<\/span><span class=\"kc\">true<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u3092\u30aa\u30f3\u306b\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommitIntervalMs<\/span><span class=\"o\">(<\/span><span class=\"mi\">5000<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u306e\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u3092\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoOffsetReset<\/span><span class=\"o\">(<\/span><span class=\"s\">\"earliest\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u306a\u3044\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306esubscribe\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setRequestRequiredAcks<\/span><span class=\"o\">(<\/span><span class=\"s\">\"all\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ publish\u304c\u6210\u529f\u3057\u305f\u3068\u5224\u65ad\u3059\u308b\u6761\u4ef6<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setConsumersCount<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ consumer\u306e\u6570<\/span>\r\n<\/code><\/pre>\n<p>\u6b21\u306bKafkaComponent\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3001\u5148\u307b\u3069\u4f5c\u6210\u3057\u305fKafkaConfiguration\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"nc\">KafkaComponent<\/span> <span class=\"n\">kafka<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaComponent<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">kafka<\/span><span class=\"o\">.<\/span><span class=\"na\">setConfiguration<\/span><span class=\"o\">(<\/span><span class=\"n\">kafkaConfig<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<p>kafka\u3078\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u306f\u3053\u308c\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3067publisher\u3068consumer\u306eroute\u306e\u4f5c\u6210\u3068kafka\u306e\u63a5\u7d9a\u8a2d\u5b9a\u304c\u7d42\u308f\u308a\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u3089\u3092\u4f7f\u7528\u3059\u308bmain\u95a2\u6570\u306a\u3069\u3092\u4f5c\u6210\u3057\u305f\u5168\u4f53\u306e\u30bd\u30fc\u30b9\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">example.camelbegginer.kafka<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.camel.CamelContext<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.camel.builder.RouteBuilder<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.camel.component.kafka.KafkaComponent<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.camel.component.kafka.KafkaConfiguration<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.camel.impl.DefaultCamelContext<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">KafkaExample<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">CamelContext<\/span> <span class=\"n\">context<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">DefaultCamelContext<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">addComponent<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">createKafkaComponent<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">addRoutes<\/span><span class=\"o\">(<\/span><span class=\"n\">createProducerRouteBuilder<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">addRoutes<\/span><span class=\"o\">(<\/span><span class=\"n\">createConsumerRouteBuilder<\/span><span class=\"o\">());<\/span>\r\n\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">start<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"nc\">Thread<\/span><span class=\"o\">.<\/span><span class=\"na\">sleep<\/span><span class=\"o\">(<\/span><span class=\"mi\">10000<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">stop<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">e<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">static<\/span> <span class=\"nc\">KafkaComponent<\/span> <span class=\"nf\">createKafkaComponent<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">KafkaConfiguration<\/span> <span class=\"n\">kafkaConfig<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaConfiguration<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setBrokers<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka1:9092,kafka2:9092,kafka3:9092\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ 3\u53f0\u306ekafka\u30d6\u30ed\u30fc\u30ab\u3078\u63a5\u7d9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setGroupId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"group1\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30b0\u30eb\u30fc\u30d7ID\u3092\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommitEnable<\/span><span class=\"o\">(<\/span><span class=\"kc\">true<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u3092\u30aa\u30f3\u306b\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoCommitIntervalMs<\/span><span class=\"o\">(<\/span><span class=\"mi\">5000<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u306e\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u3092\u8a2d\u5b9a<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setAutoOffsetReset<\/span><span class=\"o\">(<\/span><span class=\"s\">\"earliest\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30b3\u30df\u30c3\u30c8\u3055\u308c\u305f\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u306a\u3044\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u8aad\u307f\u51fa\u3057\u305f\u5834\u5408\u306e\u52d5\u4f5c<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setRequestRequiredAcks<\/span><span class=\"o\">(<\/span><span class=\"s\">\"all\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ publish\u304c\u6210\u529f\u3057\u305f\u3068\u5224\u65ad\u3059\u308b\u6761\u4ef6<\/span>\r\n        <span class=\"n\">kafkaConfig<\/span><span class=\"o\">.<\/span><span class=\"na\">setConsumersCount<\/span><span class=\"o\">(<\/span><span class=\"mi\">1<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ consumer\u306e\u6570<\/span>\r\n\r\n        <span class=\"nc\">KafkaComponent<\/span> <span class=\"n\">kafka<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">KafkaComponent<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"n\">kafka<\/span><span class=\"o\">.<\/span><span class=\"na\">setConfiguration<\/span><span class=\"o\">(<\/span><span class=\"n\">kafkaConfig<\/span><span class=\"o\">);<\/span>\r\n\r\n        <span class=\"k\">return<\/span> <span class=\"n\">kafka<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">static<\/span> <span class=\"nc\">RouteBuilder<\/span> <span class=\"nf\">createProducerRouteBuilder<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">RouteBuilder<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">configure<\/span><span class=\"o\">()<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">Exception<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"timer:trigger?period=1000\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ 1000\u30df\u30ea\u79d2\u6bce\u306b\u5b9f\u884c<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_producer_route\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">setBody<\/span><span class=\"o\">(<\/span><span class=\"n\">simple<\/span><span class=\"o\">(<\/span><span class=\"s\">\"${date:now:yyyy-MM-dd HH:mm:ss}\"<\/span><span class=\"o\">))<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306b\u73fe\u5728\u306e\u65e5\u6642\u3092\u8a2d\u5b9a<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">to<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092publish<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">};<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">static<\/span> <span class=\"nc\">RouteBuilder<\/span> <span class=\"nf\">createConsumerRouteBuilder<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">RouteBuilder<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">configure<\/span><span class=\"o\">()<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">Exception<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_consumer_route\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"body = ${body}\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306e\u5185\u5bb9\u3092\u30ed\u30b0\u306b\u8868\u793a<\/span>\r\n            <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>\u4f5c\u6210\u3057\u305fCamel\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b<\/h1>\n<p>\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b1\u79d2\u304a\u304d\u306e\u30ed\u30b0\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>[2019-01-31 21:15:38.112], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:38\r\n[2019-01-31 21:15:39.031], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:39\r\n[2019-01-31 21:15:40.034], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:40\r\n[2019-01-31 21:15:41.026], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:41\r\n[2019-01-31 21:15:42.029], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:42\r\n[2019-01-31 21:15:43.024], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:43\r\n[2019-01-31 21:15:44.044], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:44\r\n[2019-01-31 21:15:45.028], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:45\r\n[2019-01-31 21:15:46.032], [INFO ], kafka_consumer_route, Camel (camel-1) thread #1 - KafkaConsumer[test01], kafka_consumer_route, body = 2019-01-31 21:15:46\r\n<\/code><\/pre>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u30d8\u30c3\u30c0\u30fc\u3092\u51fa\u529b\u3059\u308b\u3068\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3084\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u60c5\u5831\u304c\u30ed\u30b0\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>                <span class=\"n\">from<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka:test01\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30c8\u30d4\u30c3\u30aftest01\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u3092subscribe<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">routeId<\/span><span class=\"o\">(<\/span><span class=\"s\">\"kafka_consumer_route\"<\/span><span class=\"o\">)<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"body = ${body}\"<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u306eBODY\u306e\u5185\u5bb9\u3092\u30ed\u30b0\u306b\u8868\u793a<\/span>\r\n                        <span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"${headers}\"<\/span><span class=\"o\">);<\/span> <span class=\"c1\">\/\/ \u2605\u3053\u3053\u3092\u8ffd\u52a0<\/span>\r\n<\/code><\/pre>\n<p>\u51fa\u529b\u3055\u308c\u308b\u30ed\u30b0\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">2019-02-01 10:10:46.236], [INFO ], kafka_consumer_route, Camel (camel-1) thread #<\/span>1 - KafkaConsumer[test01], kafka_consumer_route, <span class=\"o\">{<\/span><span class=\"nv\">breadcrumbId<\/span><span class=\"o\">=[<\/span>B@58a2fc46, kafka.HEADERS<span class=\"o\">=<\/span>RecordHeaders<span class=\"o\">(<\/span>headers <span class=\"o\">=<\/span> <span class=\"o\">[<\/span>RecordHeader<span class=\"o\">(<\/span>key <span class=\"o\">=<\/span> breadcrumbId, value <span class=\"o\">=<\/span> <span class=\"o\">[<\/span>73, 68, 45, 109, 107, 121, 45, 80, 67, 45, 49, 53, 52, 56, 57, 56, 51, 52, 52, 51, 56, 55, 51, 45, 48, 45, 49]<span class=\"o\">)]<\/span>, isReadOnly <span class=\"o\">=<\/span> <span class=\"nb\">false<\/span><span class=\"o\">)<\/span>, kafka.OFFSET<span class=\"o\">=<\/span>52, kafka.PARTITION<span class=\"o\">=<\/span>0, kafka.TIMESTAMP<span class=\"o\">=<\/span>1548983446195, kafka.TOPIC<span class=\"o\">=<\/span>test01<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001Apache Camel\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306eKafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3067\u304d\u307e\u3057\u305f\u3002Camel\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7c21\u5358\u306bkafka\u3068\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u7406\u89e3\u3044\u305f\u3060\u3051\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h1>camel-kafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e3b\u306a\u30d7\u30ed\u30d1\u30c6\u30a3<\/h1>\n<p>\u6700\u5f8c\u306bcamel-kafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u4e3b\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u4ee5\u4e0b\u306e\u8868\u4ee5\u5916\u306b\u3082\u305f\u304f\u3055\u3093\u3042\u308a\u3001\u8a73\u7d30\u306f\u516c\u5f0f\u30da\u30fc\u30b8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul class=\"post-ul\">Kafka Component\uff08\u65e7\u516c\u5f0f\u30b5\u30a4\u30c8\uff09<\/ul>\n<p>\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u3044\u304f\u3064\u304b\u306fkafka client\u3067\u4f7f\u7528\u3059\u308b\u3082\u306e\u3068\u540c\u3058\u3067\u3059\u306e\u3067\u3001\u9055\u548c\u611f\u306a\u304f\u4f7f\u3048\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30d7\u30ed\u30d1\u30c6\u30a3\u540dproducer\/consumer\u8aac\u660e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u578bbrokers\u5171\u901aKafka\u30d6\u30ed\u30fc\u30ab\u30fc\u3092\u6307\u5b9a\u3059\u308b\u3002\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306fhost1:port1\u3067\u3001\u8907\u6570\u30d6\u30ed\u30fc\u30ab\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001host1:port1,host2:port2\u3068\u30ab\u30f3\u30de\u533a\u5207\u308a\u3068\u3059\u308b\u3002<br \/>\nStringclientId\u5171\u901a\u30af\u30e9\u30a4\u30a2\u30f3\u30c8ID\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u306e\u547c\u3073\u51fa\u3057\u3092\u30c8\u30ec\u30fc\u30b9\u3059\u308b\u305f\u3081\u306e\u30e6\u30fc\u30b6\u30fc\u6307\u5b9a\u306e\u6587\u5b57\u5217\u3067\u3059\u3002<br \/>\nStringautoCommitEnableconsumertrue\u306b\u8a2d\u5b9a\u3059\u308b\u3068\u3001consumer\u304c\u53d6\u5f97\u3055\u308c\u3066\u3044\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u5b9a\u671f\u7684\u306b\u81ea\u52d5\u3067\u30b3\u30df\u30c3\u30c8\u3057\u307e\u3059\u3002\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u306e\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\u306fautoCommitIntervalMs\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002TRUEBooleanautoCommitIntervalMsconsumerconsumer\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u3059\u308b\u30a4\u30f3\u30bf\u30fc\u30d0\u30eb\uff08\u30df\u30ea\u79d2\uff09\u3092\u6307\u5b9a\u3059\u308b\u30025000IntegerautoCommitOnStopconsumer\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u304c\u505c\u6b62\u3059\u308b\u969b\u306b\u3001\u30d6\u30ed\u30fc\u30ab\u304b\u3089\u6700\u5f8c\u306bsubscribe\u3055\u308c\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u660e\u793a\u7684\u306b\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u6307\u5b9a\u3059\u308b\u3002\u3053\u308c\u306b\u306fautoCommitEnable\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u30aa\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u8a2d\u5b9a\u53ef\u80fd\u306a\u5024\u306f\u3001sync\u3001async\u3001\u307e\u305f\u306fnone\u3067\u3059\u3002syncStringautoOffsetResetconsumer\u521d\u671f\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u306a\u3044\u5834\u5408\u3001\u307e\u305f\u306f\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u7bc4\u56f2\u5916\u306e\u5834\u5408\u306f\u3001\u6b21\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002earliest\uff1a\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u6700\u3082\u6700\u521d\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u306b\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002latest\uff1a\u81ea\u52d5\u7684\u306b\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u6700\u65b0\uff08\u6700\u5f8c\uff09\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u306b\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002fail\uff1aconsumer\u306b\u4f8b\u5916\u3092\u30b9\u30ed\u30fc\u3057\u307e\u3059\u3002latestStringconsumerRequestTimeoutMsconsumer\u69cb\u6210\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8981\u6c42\u306e\u5fdc\u7b54\u3092\u5f85\u3064\u6700\u5927\u6642\u9593\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002 \u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u304c\u7d4c\u904e\u3059\u308b\u524d\u306b\u5fdc\u7b54\u304c\u53d7\u4fe1\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8981\u6c42\u3092\u518d\u9001\u4fe1\u3059\u308b\u304b\u3001\u307e\u305f\u306f\u518d\u8a66\u884c\u304c\u5c3d\u304d\u308b\u3068\u8981\u6c42\u3092\u5931\u6557\u3055\u305b\u307e\u3059\u300240000IntegerconsumersCountconsumerkafka\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3059\u308b\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306e\u6570\u3092\u6307\u5b9a\u3059\u308b\u30021intconsumerStreamsconsumer\u540c\u6642\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u6570\u300210intgroupIdconsumer\u3053\u306econsumer\u304c\u5c5e\u3059\u308b\u30b0\u30eb\u30fc\u30d7\u3092\u8b58\u5225\u3059\u308b\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u540c\u3058\u30b0\u30eb\u30fc\u30d7ID\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u8907\u6570\u306econsumer\u304c\u3059\u3079\u3066\u540c\u3058\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002Consumer\u3067\u306f\u5fc5\u9808\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059\u3002<br \/>\nStringmaxPollRecordsconsumerpoll()\u306e1\u56de\u306e\u547c\u3073\u51fa\u3057\u3067\u8fd4\u3055\u308c\u308b\u30ec\u30b3\u30fc\u30c9\u306e\u6700\u5927\u6570\u3092\u6307\u5b9a\u3059\u308b\u3002500IntegerpollTimeoutMsconsumerKafkaConsumer\u3092\u30dd\u30fc\u30ea\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u308b\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u5024\uff08\u30df\u30ea\u79d2\uff09\u30025000LongcompressionCodecproducer\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001producer\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306e\u5727\u7e2e\u30b3\u30fc\u30c7\u30c3\u30af\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u6307\u5b9a\u3067\u304d\u308b\u5024\u306fnone\u3001gzip\u3001\u304a\u3088\u3073snappy\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5727\u7e2e\u3055\u308c\u307e\u305b\u3093\uff08none\uff09\u3002none<br \/>\nrequestRequiredAcksproducerproducer\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u5b8c\u4e86\u3057\u305f\u3068\u898b\u306a\u3059\u6761\u4ef6\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4fe1\u983c\u6027\u306e\u30ec\u30d9\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u6307\u5b9a\u3059\u308b\u5024\u306f\u4ee5\u4e0b\u306e3\u3064\u304c\u3042\u308a\u307e\u3059\u3002acks=0\u3067\u3059\u3068\u3001\u30ea\u30fc\u30c0\u30fc\u306e\u30d6\u30ed\u30fc\u30ab\u304c\u30c0\u30a6\u30f3\u3059\u308b\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30b9\u30c8\u3057\u307e\u3059\u306e\u3067\u3001\u901a\u5e38\u306facks=1\u3001\u307e\u305f\u306fall\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30fbacks = 0producer\u306f\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u78ba\u8a8d\u5fdc\u7b54\u3092\u5f85\u305f\u305a\u306b\u9001\u4fe1\u3092\u5b8c\u4e86\u3057\u305f\u3068\u307f\u306a\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001kafka\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u3057\u305f\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u5404\u30ec\u30b3\u30fc\u30c9\u306b\u8fd4\u3055\u308c\u308b\u30aa\u30d5\u30bb\u30c3\u30c8\u306f\u5e38\u306b-1\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u30fbacks = 1\u30ea\u30fc\u30c0\u30fc\u304c\u305d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30fc\u30ab\u30eb\u306b\u66f8\u304d\u8fbc\u3080\u304c\u3001\u4ed6\u306e\u30d5\u30a9\u30ed\u30ef\u30fc\u304b\u3089\u306e\u5b8c\u4e86\u3092\u5f85\u305f\u305a\u306b\u5fdc\u7b54\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u627f\u8a8d\u3057\u305f\u76f4\u5f8c\u306b\u30ea\u30fc\u30c0\u30fc\u306b\u30c0\u30a6\u30f3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u4ed6\u306e\u30d5\u30a9\u30ed\u30ef\u30fc\u304c\u305d\u308c\u3092\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u304d\u305a\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5931\u308f\u308c\u307e\u3059\u3002 \u30fbacks = all\u30ea\u30fc\u30c0\u30fc\u304c\u5fdc\u7b54\u3092\u8fd4\u3059\u524d\u306b\u3001\u4ed6\u306e\u540c\u671f\u30ec\u30d7\u30ea\u30ab\u306e\u66f8\u304d\u8fbc\u307f\u304c\u3059\u3079\u3066\u5b8c\u4e86\u3059\u308b\u307e\u3067\u5f85\u6a5f\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u540c\u671f\u30ec\u30d7\u30ea\u30ab\u304c\u5b58\u7d9a\u3057\u3066\u3044\u308b\u9650\u308a\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5931\u308f\u308c\u306a\u3044\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u30021StringrequestTimeoutMsproducer\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff08producer\uff09\u306b\u30a8\u30e9\u30fc\u3092\u8fd4\u3059\u524d\u306b\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u304crequest.required.acks\u306e\u8981\u4ef6\u3092\u6e80\u305f\u305d\u3046\u307e\u3067\u306b\u5f85\u6a5f\u3059\u308b\u6642\u9593\u3002305000Integerretriesproducer0\u3088\u308a\u5927\u304d\u3044\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u3068\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u4e00\u6642\u7684\u306a\u30a8\u30e9\u30fc\u3067\u9001\u4fe1\u306b\u5931\u6557\u3057\u305f\u30ec\u30b3\u30fc\u30c9\u3092\u518d\u9001\u4fe1\uff08\u30ea\u30c8\u30e9\u30a4\uff09\u3057\u307e\u3059\u30020Integer<\/div>\n<\/div>\n<h1>\u53c2\u8003<\/h1>\n<p>Apache Camel\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306eKafka\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\uff08\u6614\u306e\u8a18\u4e8b\uff09<\/p>\n<p>Kafka Component\uff08\u516c\u5f0f\u30b5\u30a4\u30c8\uff09<br \/>\nKafka Component\uff08\u65e7\u516c\u5f0f\u30b5\u30a4\u30c8\uff09<br \/>\nCamel Kafka example<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Apache kafka\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u5927\u91cf\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9ad8\u901f\u306bpu [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46699","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>- 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\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/46699-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b Apache 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