{"id":43614,"date":"2023-04-29T09:35:30","date_gmt":"2023-05-16T20:10:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/springboot-2-4-%e5%88%b0-2-5-%e6%9b%b4%e6%96%b0%e8%ae%b0%e5%bd%95\/"},"modified":"2024-04-30T01:50:13","modified_gmt":"2024-04-29T17:50:13","slug":"springboot-2-4-%e5%88%b0-2-5-%e6%9b%b4%e6%96%b0%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/springboot-2-4-%e5%88%b0-2-5-%e6%9b%b4%e6%96%b0%e8%ae%b0%e5%bd%95\/","title":{"rendered":"SpringBoot 2.4 \u5230 2.5 \u66f4\u65b0\u8bb0\u5f55"},"content":{"rendered":"<h1>\u7b80\u8981\u63cf\u8ff0<\/h1>\n<p>\u6625\u5b63\u542f\u52a82.5\u7248\u672c\u5df2\u7ecf\u53d1\u5e03<br \/>\n\u6211\u5c06\u6839\u636e\u53d1\u5e03\u8bf4\u660e\u6574\u7406\u4ece2.4\u7cfb\u5217\u5347\u7ea7\u52302.5\u7cfb\u5217\u7684\u8fc1\u79fb\u65b9\u6cd5<br \/>\n\u91cd\u70b9\u5c06\u653e\u5728\u4e0e\u6211\u7684\u8fc1\u79fb\u76f8\u5173\u6216\u611f\u5174\u8da3\u7684\u90e8\u5206\uff0c\u8bf7\u8c05\u89e3?\u200d\u2642\ufe0f<\/p>\n<p>\u8fd9\u91cc\u6709\u8fc7\u53bb\u7684\u6587\u7ae0\u3002<\/p>\n<h1>\u6700\u4f4e\u8981\u6c42\u53d8\u52a8<\/h1>\n<p>Gradle\u7248\u672c\u5df2\u66f4\u65b0\u81f36.8\u6216\u66f4\u9ad8\u7248\u672c\u3002<br \/>\n\u66f4\u65b0\u81f3\u6700\u65b0\u7248\u672c7.0.2\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>.\/gradlew wrapper <span class=\"nt\">--gradle-version<\/span> 7.0.2\r\n<\/code><\/pre>\n<h1>Gradle \u9ed8\u8ba4\u7684 jar \u548c war \u4efb\u52a1<\/h1>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u542f\u7528\u4e86jar\u3001war\u4efb\u52a1\u3002<\/p>\n<p>\u7136\u540e\uff0c\u4e3a\u4e86\u907f\u514d\u4e0e\u751f\u6210\u7684bootJar\u6587\u4ef6\u51b2\u7a81\uff0c\u751f\u6210\u7684jar\u548cwar\u4efb\u52a1\u6587\u4ef6\u90fd\u4f1a\u9644\u52a0\u4e0a\u201c-plain\u201d\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\u3002<\/p>\n<h2>\u79fb\u9664 plain<\/h2>\n<p>\u5982\u679c\u5728archiveClassifier\u4e2d\u6307\u5b9a\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u5219\u6ca1\u95ee\u9898\u3002<\/p>\n<p>\u203b\u5728\u7248\u672c\u8bf4\u660e\u4e66\u4e2d\u4ecb\u7ecd\u4e86\u5206\u7c7b\u5668\uff0c\u4f46\u5df2\u88ab\u6807\u8bb0\u4e3a\u4e0d\u63a8\u8350\u4f7f\u7528&#8230;<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">archivesBaseName<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'sample'<\/span>\r\n\r\n<span class=\"n\">bootJar<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">archiveClassifier<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">'boot'<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"n\">jar<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">archiveClassifier<\/span> <span class=\"o\">=<\/span> <span class=\"s1\">''<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u6b64\u8bbe\u7f6e\uff0c\u5c06\u4f1a\u751f\u6210\u4ee5\u4e0b\u4e24\u4e2ajar\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code>build\r\n...\r\n\u251c\u2500\u2500 libs\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 sample-boot.jar\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 sample.jar\r\n...\r\n<\/code><\/pre>\n<h2>\u542f\u7528\u540e\u7981\u7528<\/h2>\n<p>\u5c06 enabled = false \u7684\u8bbe\u7f6e\u503c\u53ef\u4ee5\u4f7fjar\u6587\u4ef6\u7684\u751f\u6210\u5931\u6548\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">jar<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">enabled<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h1>\u73af\u5883\u53d8\u91cf\u524d\u7f00<\/h1>\n<p>\u4f3c\u4e4e\u53ef\u4ee5\u7ed9\u73af\u5883\u53d8\u91cf\u6dfb\u52a0\u524d\u7f00\u3002<\/p>\n<p>\u8981\u7ed9\u524d\u7f00\u6dfb\u52a0\u4e00\u4e2a\u524d\u7f00\uff0c\u9700\u8981\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u7f16\u5199\u4e3b\u7c7b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Application<\/span> <span class=\"o\">{<\/span>\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=\"nc\">SpringApplication<\/span> <span class=\"n\">application<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">SpringApplication<\/span><span class=\"o\">(<\/span><span class=\"nc\">Application<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">application<\/span><span class=\"o\">.<\/span><span class=\"na\">setEnvironmentPrefix<\/span><span class=\"o\">(<\/span><span class=\"s\">\"prefix\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"n\">application<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"n\">args<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u79cd\u72b6\u6001\u4e0b\uff0c\u6309\u7167\u4ee5\u4e0b\u7684\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u6539\u53d8&#8221;server.port&#8221;\u5e76\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code>PREFIX_SERVER_PORT=8081 .\/gradlew bootRun\r\n<\/code><\/pre>\n<blockquote><p>\u5f53\u7136\uff0c\u7531\u4e8e\u65e0\u6cd5\u66f4\u6539SERVER_PORT\uff0c\u6240\u4ee5\u5c06\u6b64\u66f4\u6539\u5e94\u7528\u4e8e\u73b0\u6709\u7cfb\u7edf\u662f\u5426\u6709\u4f18\u52bf\u5462\uff1f<\/p><\/blockquote>\n<h1>Prometheus\u7684OpenMetrics<\/h1>\n<p>\u5f53\u8c03\u7528\/actuator\/prometheus\u65f6\uff0c\u901a\u8fc7\u8bbe\u7f6eHeader\uff0c\u73b0\u5728\u53ef\u4ee5\u8fd4\u56deOpenMetrics\u683c\u5f0f\u7684\u54cd\u5e94\u3002<\/p>\n<p>Note: There can be variations in the translation depending on the specific context and terminology used in Chinese.<\/p>\n<p>\u9ed8\u8ba4\u4e3aPrometheus\u683c\u5f0f\uff0c\u5982\u679c\u5728Accept\u5934\u4e2d\u6dfb\u52a0application\/openmetrics-text\uff0c\u5219\u4f1a\u53d8\u4e3aOpenMetrics\u683c\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code>curl http:\/\/localhost:8080\/actuator\/prometheus <span class=\"nt\">-H<\/span> <span class=\"s1\">'Accept: application\/openmetrics-text'<\/span>\r\n<\/code><\/pre>\n<h1>Spring Data\u4ed3\u5e93\u7684\u5ea6\u91cf\u6807\u51c6<\/h1>\n<p>Spring Data\u4ed3\u5e93\u7684\u6307\u6807\u5c06\u9ed8\u8ba4\u6536\u96c6\uff01\u2728<\/p>\n<p>\u5982\u679c\u4f7f\u7528\u4ee5\u4e0b\u7684JPA<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">UserRepository<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">CrudRepository<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">User<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Optional<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">User<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">findById<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">id<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u83b7\u5f97\u5982\u4e0b\u7684\u6307\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># HELP spring_data_repository_invocations_seconds_max<\/span>\r\n<span class=\"c\"># TYPE spring_data_repository_invocations_seconds_max gauge<\/span>\r\n<span class=\"n\">spring_data_repository_invocations_seconds_max<\/span><span class=\"p\">{<\/span><span class=\"na\">exception<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"None\"<\/span><span class=\"p\">,<\/span><span class=\"na\">method<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"findById\"<\/span><span class=\"p\">,<\/span><span class=\"na\">repository<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"UserRepository\"<\/span><span class=\"p\">,<\/span><span class=\"na\">state<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"SUCCESS\"<\/span><span class=\"p\">,}<\/span> <span class=\"mf\">0.03175074<\/span>\r\n<span class=\"c\"># HELP spring_data_repository_invocations_seconds<\/span>\r\n<span class=\"c\"># TYPE spring_data_repository_invocations_seconds summary<\/span>\r\n<span class=\"n\">spring_data_repository_invocations_seconds_count<\/span><span class=\"p\">{<\/span><span class=\"na\">exception<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"None\"<\/span><span class=\"p\">,<\/span><span class=\"na\">method<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"findById\"<\/span><span class=\"p\">,<\/span><span class=\"na\">repository<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"UserRepository\"<\/span><span class=\"p\">,<\/span><span class=\"na\">state<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"SUCCESS\"<\/span><span class=\"p\">,}<\/span> <span class=\"mf\">1.0<\/span>\r\n<span class=\"n\">spring_data_repository_invocations_seconds_sum<\/span><span class=\"p\">{<\/span><span class=\"na\">exception<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"None\"<\/span><span class=\"p\">,<\/span><span class=\"na\">method<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"findById\"<\/span><span class=\"p\">,<\/span><span class=\"na\">repository<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"UserRepository\"<\/span><span class=\"p\">,<\/span><span class=\"na\">state<\/span><span class=\"o\">=<\/span><span class=\"s2\">\"SUCCESS\"<\/span><span class=\"p\">,}<\/span> <span class=\"mf\">0.03175074<\/span>\r\n<\/code><\/pre>\n<p>\u5728application.yml\u6587\u4ef6\u4e2d\u53ef\u4ee5\u8fdb\u884c\u4ee5\u4e0b\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">management<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">endpoints<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">web<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">exposure<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">include<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">prometheus\"<\/span>\r\n  <span class=\"na\">metrics<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">data<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">repository<\/span><span class=\"pi\">:<\/span>\r\n        <span class=\"na\">autotime<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"c1\"># \u81ea\u52d5\u3067\u30e1\u30c8\u30ea\u30af\u30b9\u3092\u53ce\u96c6\u3059\u308b\u304b\u3069\u3046\u304b\uff1f<\/span>\r\n          <span class=\"c1\"># false\u3092\u6307\u5b9a\u3059\u308b\u3068\u500b\u5225\u306b\u300c@Timed\u300d\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4ed8\u4e0e\u304c\u5fc5\u8981<\/span>\r\n          <span class=\"na\">enabled<\/span><span class=\"pi\">:<\/span> <span class=\"no\">true<\/span>\r\n          <span class=\"c1\"># \u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3082\u53d6\u5f97\u3059\u308b<\/span>\r\n          <span class=\"na\">percentiles<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0.5,0.99<\/span>\r\n        <span class=\"c1\"># \u30e1\u30c8\u30ea\u30af\u30b9\u540d\u3092\u6307\u5b9a\u3059\u308b<\/span>\r\n        <span class=\"na\">metric-name<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">spring.data.repository.invocations\"<\/span>\r\n<\/code><\/pre>\n<h2>\u88dc\u5145\uff1a@Timed \u6ce8\u91cb<\/h2>\n<p>\u4f7f\u7528@Timed\u6ce8\u89e3\u53ef\u4ee5\u5728\u4efb\u4f55\u65b9\u6cd5\u4e2d\u8fdb\u884c\u5ea6\u91cf\u8ba1\u91cf&#8230;!<\/p>\n<p>\u4f7f\u7528\u65b9\u6cd5\u662f<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728\u6dfb\u52a0spring-boot-starter-aop\u7684\u4f9d\u8d56\u4e4b\u540e\uff0c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06TimedAspect\u6ce8\u518c\u4e3aBean\uff0c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4e3a\u60f3\u8981\u6536\u96c6\u6307\u6807\u7684\u65b9\u6cd5\u6dfb\u52a0@Timed\u6ce8\u89e3\u3002<\/ol>\n<p>\u53ea\u9700\u4e00\u4e2a\u9009\u9879\uff0c\u592a\u65b9\u4fbf\u4e86\uff01<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">dependencies<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"o\">...<\/span>\r\n    <span class=\"n\">implementation<\/span> <span class=\"s1\">'org.springframework.boot:spring-boot-starter-aop'<\/span>\r\n    <span class=\"o\">...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">io.micrometer.core.aop.TimedAspect<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">io.micrometer.core.instrument.MeterRegistry<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.context.annotation.Bean<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.context.annotation.Configuration<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@Configuration<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ApplicationConfiguration<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@Bean<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">TimedAspect<\/span> <span class=\"nf\">timedAspect<\/span><span class=\"o\">(<\/span><span class=\"nc\">MeterRegistry<\/span> <span class=\"n\">registry<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">TimedAspect<\/span><span class=\"o\">(<\/span><span class=\"n\">registry<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">io.micrometer.core.annotation.Timed<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.ibatis.annotations.Mapper<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.ibatis.annotations.Select<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.Optional<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@Mapper<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">UserRepository<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@Timed<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"sql.time\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"nd\">@Select<\/span><span class=\"o\">(<\/span><span class=\"s\">\"SELECT * FROM USER WHERE id = #{id}\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"nc\">Optional<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">User<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">findById<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span> <span class=\"n\">id<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5373\u4f7f\u6ca1\u6709\u4f7f\u7528JPA\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u4f8b\u5982Mybatis\u7684Mapper\u5c06\u6267\u884c\u65f6\u95f4\u8bb0\u5f55\u4e3a\u5ea6\u91cf\u3002<\/p>\n<p>\u4ee5\u4e0b\u4e3a\u53c2\u8003\uff1a<\/p>\n<p>\u53c2\u8003\u6765\u6e90\uff1a<\/p>\n<h1>Java 16 \/ Gradle 7 \u652f\u6301<\/h1>\n<p>Java 16\u548cGradle 7\u5206\u522b\u5f97\u5230\u4e86\u652f\u6301\u3002<\/p>\n<h1>\u5176\u4ed6\u53c2\u8003\u94fe\u63a5<\/h1>\n<p>\u25bcSpring Boot 2.5 \u914d\u7f6e\u66f4\u6539\u65e5\u5fd7<\/p>\n<p>\u5982\u679c\u4f7f\u7528\u4e86\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u5c06\u5bfc\u81f4\u6784\u5efa\u5931\u8d25\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u8981\u63cf\u8ff0 \u6625\u5b63\u542f\u52a82.5\u7248\u672c\u5df2\u7ecf\u53d1\u5e03 \u6211\u5c06\u6839\u636e\u53d1\u5e03\u8bf4\u660e\u6574\u7406\u4ece2.4\u7cfb\u5217\u5347\u7ea7\u52302.5\u7cfb\u5217\u7684\u8fc1\u79fb\u65b9\u6cd5 \u91cd\u70b9\u5c06\u653e\u5728\u4e0e [&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-43614","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>SpringBoot 2.4 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