{"id":39802,"date":"2023-03-08T07:27:12","date_gmt":"2023-12-13T14:50:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93%e5%b0%86spring-boot%e4%bb%8e2%e7%b3%bb%e7%89%88%e6%9c%ac%e5%8d%87%e7%ba%a7%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9ch2%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%87%87\/"},"modified":"2024-04-29T17:53:13","modified_gmt":"2024-04-29T09:53:13","slug":"%e5%bd%93%e5%b0%86spring-boot%e4%bb%8e2%e7%b3%bb%e7%89%88%e6%9c%ac%e5%8d%87%e7%ba%a7%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9ch2%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%87%87","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%bd%93%e5%b0%86spring-boot%e4%bb%8e2%e7%b3%bb%e7%89%88%e6%9c%ac%e5%8d%87%e7%ba%a7%e6%97%b6%ef%bc%8c%e5%a6%82%e6%9e%9ch2%e5%87%ba%e7%8e%b0%e9%94%99%e8%af%af%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%87%87\/","title":{"rendered":"\u5f53\u5c06Spring Boot\u4ece2\u7cfb\u7248\u672c\u5347\u7ea7\u65f6\uff0c\u5982\u679cH2\u51fa\u73b0\u9519\u8bef\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"<h1>\u6982\u8ff0<\/h1>\n<p>\u5f53\u6211\u4eceSpring Boot 1.5\u7cfb\u7248\u672c\u5347\u7ea7\u5230Spring Boot 2\u7cfb\u7248\u672c\u65f6\uff0c\u9047\u5230\u4e86H2\u7684\u9519\u8bef\uff0c\u56e0\u6b64\u8fdb\u884c\u4e86\u8c03\u67e5\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u5c06\u5199\u4e0b\u6211\u5728\u8c03\u67e5\u4e2d\u6240\u4e86\u89e3\u5230\u7684\u5185\u5bb9\u4ee5\u53ca\u6211\u662f\u5982\u4f55\u5904\u7406\u8fd9\u4e2a\u9519\u8bef\u7684\u3002<\/p>\n<h1>\u6bcf\u4e2a\u5e93\u7684\u7248\u672c\u5728\u51fa\u73b0\u95ee\u9898\u65f6\u3002<\/h1>\n<div>\n<div class=\"post-table\">\u30e9\u30a4\u30d6\u30e9\u30ea\u30d0\u30fc\u30b8\u30e7\u30f3Spring Boot2.1.6H21.4.192<\/div>\n<\/div>\n<h1>\u8acb\u554f\u6709\u4ec0\u9ebc\u7591\u554f\u55ce\uff1f<\/h1>\n<p>\u4ee5\u4e0b\u662f\u9519\u8bef\u7684\u5185\u5bb9\u3002<br \/>\n\u7531\u4e8e\u4e0d\u652f\u6301isWrapperFor\u65b9\u6cd5\uff0c\u5b83\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code>2020-01-16 00:09:52 JDBCX: exception\r\norg.h2.jdbc.JdbcSQLException: \u6a5f\u80fd\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093: \"isWrapperFor\"\r\nFeature not supported: \"isWrapperFor\" [50100-192]\r\n    at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)\r\n    at org.h2.message.DbException.get(DbException.java:179)\r\n    at org.h2.message.DbException.get(DbException.java:155)\r\n    at org.h2.message.DbException.getUnsupportedException(DbException.java:216)\r\n    at org.h2.message.TraceObject.unsupported(TraceObject.java:375)\r\n    at org.h2.jdbcx.JdbcDataSource.isWrapperFor(JdbcDataSource.java:422)\r\n    at org.springframework.boot.jdbc.DataSourceUnwrapper.safeUnwrap(DataSourceUnwrapper.java:77)\r\n    at org.springframework.boot.jdbc.DataSourceUnwrapper.unwrap(DataSourceUnwrapper.java:56)\r\n    at org.springframework.boot.autoconfigure.jdbc.metadata.DataSourcePoolMetadataProvidersConfiguration$HikariPoolDataSourceMetadataProviderConfiguration.lambda$hikariPoolDataSourceMetadataProvider$0(DataSourcePoolMetadataProvidersConfiguration.java:66)\r\n    at org.springframework.boot.jdbc.metadata.CompositeDataSourcePoolMetadataProvider.getDataSourcePoolMetadata(CompositeDataSourcePoolMetadataProvider.java:50)\r\n   ...\r\n<\/code><\/pre>\n<h1>\u8c03\u67e5<\/h1>\n<p>\u4ece\u9519\u8bef\u65e5\u5fd7\u4e2d\u770b\u5230\uff0c\u5728Spring\u7684DataSourceUnwrapper\uff03safeUnwrap\u65b9\u6cd5\u4e2d\u53d1\u751f\u4e86\u5f02\u5e38\uff0c\u6240\u4ee5\u6211\u4f1a\u53bb\u770b\u4e00\u4e0b\u3002<br \/>\nhttps:\/\/github.com\/spring-projects\/spring-boot\/blob\/2.1.x\/spring-boot-project\/spring-boot\/src\/main\/java\/org\/springframework\/boot\/jdbc\/DataSourceUnwrapper.java#L77<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">private<\/span> <span class=\"kd\">static<\/span> <span class=\"o\">&lt;<\/span><span class=\"no\">S<\/span><span class=\"o\">&gt;<\/span> <span class=\"no\">S<\/span> <span class=\"nf\">safeUnwrap<\/span><span class=\"o\">(<\/span><span class=\"nc\">Wrapper<\/span> <span class=\"n\">wrapper<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Class<\/span><span class=\"o\">&lt;<\/span><span class=\"no\">S<\/span><span class=\"o\">&gt;<\/span> <span class=\"n\">target<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">wrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">isWrapperFor<\/span><span class=\"o\">(<\/span><span class=\"n\">target<\/span><span class=\"o\">))<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"n\">wrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">unwrap<\/span><span class=\"o\">(<\/span><span class=\"n\">target<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Exception<\/span> <span class=\"n\">ex<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"c1\">\/\/ Continue<\/span>\r\n    <span class=\"o\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"kc\">null<\/span><span class=\"o\">;<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u4e00\u500b\u53eb\u505aisWrapper\u7684\u65b9\u6cd5\u88ab\u4f7f\u7528\u4e86\u3002isWrapperFor\u662f\u6307\u9019\u500b\u65b9\u6cd5\u3002\u6839\u64daH2\u7684\u60c5\u6cc1\u4f86\u770b\uff0c\u4f3c\u4e4e\u4e0d\u652f\u63f4\u9019\u500b\u65b9\u6cd5\u3002<br \/>\n\u800c\u4e14\u6211\u67e5\u770b\u4e86H2\u7684changelog\uff0c\u627e\u5230\u4e86\u652f\u6301\u9019\u4e00\u8aaa\u6cd5\u7684\u8a18\u8f09\u3002<\/p>\n<blockquote><p>PR #844\uff1a\u4e3aJdbcDataSource\u6dfb\u52a0isWrapperFor()\u548cunwrap()\u7684\u7b80\u5355\u5b9e\u73b0\u3002<\/p><\/blockquote>\n<p>\u770b\u8d77\u6765\uff0c\u57281.4.197\u7248\u672c\u4e2d\uff0cJdbcDataSource\u4e2d\u6dfb\u52a0\u4e86isWrapperFor\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u4f3c\u4e4e\u5728Spring Boot 2.1.6\u4e2d\uff0c\u5b9e\u73b0\u662f\u4ee5isWrapperFor\u65b9\u6cd5\u4e3a\u524d\u63d0\u7684\u3002\u4f46\u7531\u4e8eH2\u7248\u672c\u4e3a1.4.192\uff0c\u6240\u4ee5\u6ca1\u6709\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5bfc\u81f4\u5f02\u5e38\u3002<\/p>\n<p>\u6211\u4f1a\u786e\u8ba4\u4e00\u4e0bSpring Boot 2.1.6\u5177\u4f53\u4f9d\u8d56\u7684\u662fH2\u7684\u54ea\u4e2a\u7248\u672c\u3002<\/p>\n<p>\u67e5\u770bMaven Repository\u540e\uff0c\u9996\u5148\u53d1\u73b0Spring Boot\uff08Spring Boot JDBC Starter\uff092.1.6\u4f9d\u8d56\u4e8eSpring JDBC 5.1.8\uff0c\u800cSpring JDBC 5.1.8\u53c8\u4f9d\u8d56\u4e8eH2 1.4.199\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff0cSpring Boot 2.1.6\u4f9d\u8d56\u4e8eH2 1.4.199\uff0c\u8fd9\u6837\u5c31\u80fd\u5bf9\u4e0a\u4e86\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u5728Spring Boot 1.5\u7cfb\u5217\u4e2d\u6ca1\u6709\u51fa\u73b0\u9519\u8bef\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u6ca1\u6709DataSourceUnwrapper#safeUnwrap\u65b9\u6cd5\uff0c\u6240\u4ee5isWrapperFor\u65b9\u6cd5\u6ca1\u6709\u88ab\u8c03\u7528\u3002<\/p>\n<h1>\u89e3\u51b3\u65b9\u6848 (Ji\u011b ju\u00e9 c\u00e8 \u00e0n)<\/h1>\n<p>\u5c06H2\u7684\u7248\u672c\u5347\u7ea7\u81f31.4.199\u3002<\/p>\n<pre class=\"post-pre\"><code>    ...\r\n    <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n      <span class=\"nt\">&lt;groupId&gt;<\/span>com.h2database<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n      <span class=\"nt\">&lt;artifactId&gt;<\/span>h2<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n      <span class=\"nt\">&lt;version&gt;<\/span>1.4.199<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n    ...\r\n<\/code><\/pre>\n<p>\u8fd9\u6837\u5c31\u4e0d\u4f1a\u518d\u62a5\u9519\u4e86\u3002<\/p>\n<h1>\u603b\u7ed3\u4e86<\/h1>\n<p>\u5728\u8fd9\u6b21\u5347\u7ea7\u5230Spring Boot 2.x\u7248\u672c\u65f6\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u5bf9H2\u9519\u8bef\u7684\u539f\u56e0\u8c03\u67e5\u548c\u89e3\u51b3\u3002<br \/>\n\u6700\u7ec8\u5404\u4e2a\u5e93\u7684\u7248\u672c\u5982\u4e0b\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30e9\u30a4\u30d6\u30e9\u30ea\u30d0\u30fc\u30b8\u30e7\u30f3Spring Boot2.1.6H21.4.199<\/div>\n<\/div>\n<p>\u4f5c\u4e3a\u6559\u8bad\uff0c\u5f53\u66f4\u65b0\u6846\u67b6\u6216\u5e93\u65f6\uff0c\u5e94\u8be5\u901a\u8fc7\u66f4\u6539\u65e5\u5fd7\u6216\u53d1\u5e03\u8bf4\u660e\u6765\u786e\u8ba4\u4f9d\u8d56\u5e93\u7684\u7248\u672c\u4ee5\u53ca\u4e0e\u4e0a\u4e2a\u7248\u672c\u7684\u53d8\u5316\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u68c0\u67e5\u53d8\u5316\u5982\u4f55\u5f71\u54cd\u884c\u4e3a\u3002<br \/>\n\u5982\u679c\u4f7f\u7528maven\u7b49\u8fdb\u884c\u5e93\u7ba1\u7406\uff0c\u53ef\u4ee5\u901a\u8fc7\u67e5\u770bMavenRepository\u6765\u68c0\u67e5\u4f9d\u8d56\u5e93\u7684\u7248\u672c\u3002\u5728MavenRepository\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u8ddf\u968f\u94fe\u63a5\u8fdb\u884c\u67e5\u8be2\u3002<br \/>\n\u6211\u8ba4\u4e3a\uff0c\u7531\u4e8e\u66f4\u6539\u65e5\u5fd7\u548c\u53d1\u5e03\u8bf4\u660e\u901a\u5e38\u90fd\u5728\u5b98\u65b9\u7f51\u7ad9\u6216Github\u4e0a\u53d1\u5e03\uff0c\u6240\u4ee5\u67e5\u770b\u5b83\u4eec\u53ef\u80fd\u4f1a\u5f88\u6709\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 \u5f53\u6211\u4eceSpring Boot 1.5\u7cfb\u7248\u672c\u5347\u7ea7\u5230Spring Boot 2\u7cfb\u7248\u672c\u65f6\uff0c\u9047\u5230\u4e86H2\u7684\u9519\u8bef\uff0c\u56e0 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39802","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\/ 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1.5\u7cfb\u7248\u672c\u5347\u7ea7\u5230Spring Boot 2\u7cfb\u7248\u672c\u65f6\uff0c\u9047\u5230\u4e86H2\u7684\u9519\u8bef\uff0c\u56e0 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5f53\u5c06spring-boot\u4ece2\u7cfb\u7248\u672c\u5347\u7ea7\u65f6\uff0c\u5982\u679ch2\u51fa\u73b0\u9519\u8bef\uff0c\u53ef\u4ee5\u91c7\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-13T14:50:54+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T09:53:13+00:00\" \/>\n<meta name=\"author\" content=\"\u9038, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u9038, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" 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