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Java并發(fā)編程之如何優(yōu)雅關(guān)閉鉤子Shutdown Hook_java_腳本之家
當(dāng)程序即將退出時(例如釋放資源、關(guān)閉數(shù)據(jù)庫連接等),可以通過預(yù)先注冊一個或多個**關(guān)閉鉤子線程(Shutdown Hook)**來執(zhí)行相關(guān)操作。當(dāng) JVM 進(jìn)程準(zhǔn)備退出時,這些鉤子線程會被觸發(fā)并運行。 示例代碼: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 public class Hoo
www.dbjr.com.cn/program/3406826...htm 2025-5-23
解析Runtime中shutdown hook的使用詳解_java_腳本之家
public ShutdownHook() { // register a shutdown hook for this class. // a shutdown hook is an initialzed but not started thread, which will get up and run // when the JVM is about to exit. this is used for short clean up tasks. Runtime.getRuntime().addShutdownHook(new Thread(...
www.dbjr.com.cn/article/369...htm 2025-6-7
java虛擬機(jī)鉤子關(guān)閉函數(shù)addShutdownHook的操作_java_腳本之家
補(bǔ)充:JAVA虛擬機(jī)關(guān)閉鉤子(Shutdown Hook)、finally(try,catch)、finalize()調(diào)用場景及執(zhí)行順序 JAVA虛擬機(jī)關(guān)閉鉤子(Shutdown Hook)、finally(try,catch)、finalize(),三者都能在虛擬機(jī)關(guān)閉前做一些操作,但是調(diào)用場景和執(zhí)行順序不一樣。 1. JAVA虛擬機(jī)關(guān)閉鉤子(Shutdown Hook)在下面場景下被調(diào)用: 1) 程序正常退出;...
www.dbjr.com.cn/article/2060...htm 2025-6-9
解決dubbo啟動報服務(wù)注冊失敗Failed to register dubbo_java_腳本之...
2018-12-21 17:36:39 [DubboShutdownHook] DEBUG org.apache.curator.RetryLoop - Retry-able exception received org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /dubbo/com.ghg.dubbo.api.GreetingService/providers/dubbo%3A%2F%2F192.168.187.1%3A20880%2Fcom.gh...
www.dbjr.com.cn/program/3066251...htm 2025-6-4
SpringBoot啟動原理深入解析_java_腳本之家
6) 根據(jù)用戶是否明確設(shè)置了 applicationContextClass 類型以及初始化階段的推斷結(jié)果,決定該為當(dāng)前 SpringBoot 應(yīng)用創(chuàng)建什么類型的 ApplicationContext 并創(chuàng)建完成,然后根據(jù)條件決定是否添加 ShutdownHook,決定是否使用自定義的 BeanNameGenerator,決定是否使用自定義的 ResourceLoader,當(dāng)然,最重要的,將之前準(zhǔn)備好的 Environment...
www.dbjr.com.cn/article/2798...htm 2025-6-6
聊聊Java中是什么方法導(dǎo)致的線程阻塞_java_腳本之家
appContext.registerShutdownHook(); } @Override publicvoidsetApplicationContext(ApplicationContext applicationContext)throwsBeansException { this.applicationContext = applicationContext; } } 執(zhí)行結(jié)果如下: 核心思想: 將多線程的公有的業(yè)務(wù)抽出來(前提是公有業(yè)務(wù)比較耗時,不然就沒必要了)在其他線程里面執(zhí)行。
www.dbjr.com.cn/article/2059...htm 2025-5-20
logback高效狀態(tài)管理器StatusManager源碼解析_java_腳本之家
Logback MDCAdapter日志跟蹤及自定義效果源碼解讀 logback TimeBasedRollingPolicy按天生成日志源碼解析 logback FixedWindowRollingPolicy固定窗口算法重命名文件滾動策略 logback的ShutdownHook關(guān)閉原理解析 logback的UNDEFINED_PROPERTY屬性源碼執(zhí)行流程解讀 Java面試Logback打印日志如何獲取當(dāng)前方法名稱題解微信...
www.dbjr.com.cn/program/304023m...htm 2025-6-9
SpringBoot采用Dynamic-Datasource方式實現(xiàn)多JDBC數(shù)據(jù)源_java_腳本...
2022-11-24 09:16:15.867 INFO 33760 --- [ionShutdownHook] c.b.d.d.DynamicRoutingDataSource : dynamic-datasource all closed success,bye 同時查看write_db.user表,數(shù)據(jù)如下: 1 2 3 4 5 6 7 8 9 10 mysql> select * from write_db.user; +---+---+ | id | name | +---+---+ |...
www.dbjr.com.cn/program/300172r...htm 2025-6-9