{"id":40115,"date":"2023-05-01T13:44:52","date_gmt":"2023-07-29T10:43:07","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-boot%e6%9d%a5%e6%a3%80%e6%9f%a5hikaricp%e8%bf%9e%e6%8e%a5%e6%b3%84%e6%bc%8f%e9%97%ae%e9%a2%98%e3%80%82\/"},"modified":"2024-04-30T02:10:06","modified_gmt":"2024-04-29T18:10:06","slug":"%e4%bd%bf%e7%94%a8spring-boot%e6%9d%a5%e6%a3%80%e6%9f%a5hikaricp%e8%bf%9e%e6%8e%a5%e6%b3%84%e6%bc%8f%e9%97%ae%e9%a2%98%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring-boot%e6%9d%a5%e6%a3%80%e6%9f%a5hikaricp%e8%bf%9e%e6%8e%a5%e6%b3%84%e6%bc%8f%e9%97%ae%e9%a2%98%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Spring Boot\u6765\u68c0\u67e5HikariCP\u8fde\u63a5\u6cc4\u6f0f\u95ee\u9898"},"content":{"rendered":"<p>\u5728\u4f7f\u7528HikariCP\u7684\u9879\u76ee\u4e2d\u9047\u5230\u4e86\u8fde\u63a5\u6c60\u8017\u5c3d\u7684\u95ee\u9898\uff0c\u8bb0\u5f55\u4e0b\u4e86\u6545\u969c\u6392\u9664\u7684\u65b9\u6cd5\u3002<\/p>\n<h3>\u786e\u8ba4\u73af\u5883\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot 2.2.2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">AdoptOpenJDK 11.0.3<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">macOS Mojave 10.14.6<\/ul>\n<h3>\u80cc\u666f &#8211; (Background)<\/h3>\n<p>\u5728\u4f7f\u7528Spring Boot + HikariCP\u7684Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5f53\u8fdb\u884c\u6570\u636e\u5e93\u8fde\u63a5\u65f6\uff0c\u53d1\u751f\u4e86\u4ee5\u4e0b\u5f02\u5e38\u3002<\/p>\n<pre class=\"post-pre\"><code>Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 15006ms.\r\n    at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:697) ~[HikariCP-3.4.1.jar:na]\r\n    at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:196) ~[HikariCP-3.4.1.jar:na]\r\n    at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:161) ~[HikariCP-3.4.1.jar:na]\r\n    at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:128) ~[HikariCP-3.4.1.jar:na]\r\n    at org.springframework.jdbc.datasource.DelegatingDataSource.getConnection(DelegatingDataSource.java:99) ~[spring-jdbc-5.2.2.RELEASE.jar:5.2.2.RELEASE]\r\n    ...\r\n<\/code><\/pre>\n<p>\u4eceHikariCP\u5f15\u53d1\u7684\u5f02\u5e38\u548c15\u79d2\u7684\u8d85\u65f6\u53ef\u4ee5\u63a8\u6d4b\u51fa\u4e0eapplication.yml\u7684\u914d\u7f6e\u6ca1\u6709\u77db\u76fe\uff0c\u53ef\u80fd\u662f\u4e0e\u8fde\u63a5\u6c60\u76f8\u5173\u7684\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">spring<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">datasource<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">hikari<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">connection-timeout<\/span><span class=\"pi\">:<\/span> <span class=\"m\">15000<\/span>\r\n      <span class=\"na\">maximum-pool-size<\/span><span class=\"pi\">:<\/span> <span class=\"m\">3<\/span>\r\n<\/code><\/pre>\n<h3>\u8f93\u51fa\u8c03\u8bd5\u65e5\u5fd7<\/h3>\n<p>\u901a\u8fc7\u542f\u7528HikariCP\u7684\u8c03\u8bd5\u65e5\u5fd7\uff0c\u53ef\u4ee5\u5c06\u8fde\u63a5\u6c60\u7684\u72b6\u6001\uff08\u8fde\u63a5\u6c60\u4e2d\u5b58\u5728\u7684\u8fde\u63a5\u6570\u4ee5\u53ca\u5b9e\u9645\u88ab\u4f7f\u7528\u7684\u8fde\u63a5\u6570\uff09\u8f93\u51fa\u5230\u65e5\u5fd7\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">logging:\r\n<\/span>  level:\r\n<span class=\"gi\">+   com.zaxxer.hikari: debug\r\n<\/span><\/code><\/pre>\n<p>\u67e5\u770b\u7b2c\u4e8c\u4e2a\u65e5\u5fd7\uff0c\u53ef\u4ee5\u53d1\u73b0\u6c60\u4e2d\u7684\u4e09\u4e2a\u8fde\u63a5\u90fd\u6b63\u5728\u88ab\u4f7f\u7528\uff0c\u8fd8\u6709\u56db\u4e2a\u7ebf\u7a0b\u6b63\u5728\u7b49\u5f85\u8fde\u63a5\u7684\u7a7a\u95f2\u3002<\/p>\n<pre class=\"post-pre\"><code>2020-05-01 16:03:13.859 DEBUG 79664 --- [l-1 housekeeper] com.zaxxer.hikari.pool.HikariPool        : HikariPool-1 - Pool stats (total=1, active=0, idle=1, waiting=0)\r\n...\r\n2020-05-01 16:03:43.866 DEBUG 79664 --- [l-1 housekeeper] com.zaxxer.hikari.pool.HikariPool        : HikariPool-1 - Pool stats (total=3, active=3, idle=0, waiting=4)\r\n<\/code><\/pre>\n<h3>\u68c0\u6d4b\u5230\u8fde\u63a5\u6cc4\u6f0f<\/h3>\n<p>\u4e0d\u4ec5\u80fd\u76d1\u6d4b\u8fde\u63a5\u6c60\u7684\u72b6\u6001\uff0c\u8fd8\u80fd\u68c0\u6d4b\u8fde\u63a5\u6c60\u7684\u6cc4\u6f0f\uff08\u5373\u8fde\u63a5\u6cc4\u6f0f\uff09\uff0c\u8fd9\u5c06\u975e\u5e38\u65b9\u4fbf\u3002HikariCP\u63d0\u4f9b\u4e86\u7528\u4e8e\u6b64\u76ee\u7684\u7684\u8bbe\u7f6eleakDetectionThreshold\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">spring:\r\n<\/span>  datasource:\r\n    hikari:\r\n      connection-timeout: 15000\r\n      maximum-pool-size: 3\r\n<span class=\"gi\">+     leak-detection-threshold: 5000\r\n<\/span><\/code><\/pre>\n<p>\u542f\u7528\u8fde\u63a5\u6cc4\u6f0f\u68c0\u6d4b\u540e\uff0c\u5982\u679c\u5b58\u5728\u672a\u91ca\u653e\u7684\u8fde\u63a5\u8d85\u8fc7\u8bbe\u5b9a\u503c\uff08\u6beb\u79d2\uff09\uff0c\u5c06\u88ab\u8bb0\u5f55\u4e3a\u53ef\u80fd\u7684\u6cc4\u6f0f\u5e76\u8f93\u51fa\u5230\u65e5\u5fd7\u4e2d\u3002\u8fd9\u5c06\u6709\u52a9\u4e8e\u5b9a\u4f4d\u8fde\u63a5\u6cc4\u6f0f\u7684\u53d1\u751f\u4f4d\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code>2020-05-01 16:09:37.387  WARN 93600 --- [l-1 housekeeper] com.zaxxer.hikari.pool.ProxyLeakTask     : Connection leak detection triggered for org.postgresql.jdbc.PgConnection@1d2d8846 on thread pool-2-thread-1, stack trace follows\r\n\r\njava.lang.Exception: Apparent connection leak detected\r\n    at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:128) ~[HikariCP-3.4.1.jar:na]\r\n    at org.springframework.jdbc.datasource.DelegatingDataSource.getConnection(DelegatingDataSource.java:99) ~[spring-jdbc-5.2.2.RELEASE.jar:5.2.2.RELEASE]\r\n    at org.springframework.jdbc.datasource.DataSourceUtils.fetchConnection(DataSourceUtils.java:158) ~[spring-jdbc-5.2.2.RELEASE.jar:5.2.2.RELEASE]\r\n    at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:116) ~[spring-jdbc-5.2.2.RELEASE.jar:5.2.2.RELEASE]\r\n    at org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy$TransactionAwareInvocationHandler.invoke(TransactionAwareDataSourceProxy.java:226) ~[spring-jdbc-5.2.2.RELEASE.jar:5.2.2.RELEASE]\r\n    at com.sun.proxy.$Proxy106.createStatement(Unknown Source) ~[na:na]\r\n    ...\r\n<\/code><\/pre>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5728\u9047\u5230\u8fde\u63a5\u6cc4\u9732\u65f6\u6709\u7528\u7684HikariCP\u914d\u7f6e\u3002<\/p>\n<h3>\u8bf7\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\u6216\u5177\u4f53\u7684\u53e5\u5b50\uff0c\u4ee5\u4fbf\u6211\u80fd\u591f\u51c6\u786e\u5730\u8fdb\u884c\u7ffb\u8bd1\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/github.com\/brettwooldridge\/HikariCP<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">HikariCP \u3067 leakDetectionThreshold \u3092\u8a2d\u5b9a\u3057\u3066 connection leak \u3092\u691c\u51fa\u3059\u308b<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u4f7f\u7528HikariCP\u7684\u9879\u76ee\u4e2d\u9047\u5230\u4e86\u8fde\u63a5\u6c60\u8017\u5c3d\u7684\u95ee\u9898\uff0c\u8bb0\u5f55\u4e0b\u4e86\u6545\u969c\u6392\u9664\u7684\u65b9\u6cd5\u3002 \u786e\u8ba4\u73af\u5883\u3002 Spring Bo [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40115","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) - 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