Could not obtain connection metadata

最新推荐文章于 2024-10-21 19:02:09 发布
最新推荐文章于 2024-10-21 19:02:09 发布
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文章标签： Oracle Java JDBC Hibernate SQL
解决Hibernate连接Oracle数据库时出现的不支持特性错误。通过更换jar包从classes12.jar更新到ojdbc14.jar成功解决了问题。

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用hibernate连接数据库出现错误
009 - 09 - 27 17 : 38 : 15 , 093 [main] WARN [org.hibernate.cfg.SettingsFactory] - Could not obtain connection metadata
java.sql.SQLException: 不支持的特性
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134 )
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179 )
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269 )
at oracle.jdbc.dbaccess.DBError.throwUnsupportedFeatureSqlException(DBError.java:689 )
at oracle.jdbc.OracleDatabaseMetaData.supportsGetGeneratedKeys(OracleDatabaseMetaData.java:4180 )
at com.mchange.v2.c3p0.impl.NewProxyDatabaseMetaData.supportsGetGeneratedKeys(NewProxyDatabaseMetaData.java:3578 )
.

找了一下，原来是我的jar包有问题，我还是使用原来oracle9i的classes12.jar，下了一个最新的叫ojdbc14.jar。试了一下 OK


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这个错误通常是由于无法连接到数据库或数据库连接中断导致的。如果数据库连接是通过连接池管理的，可能是由于连接池中的连接已经用尽或连接过期导致的。 另外，空指针异常通常是由于代码中访问了一个空对象或者空...
java -jar travel-0.0.1-SNAPSHOT.jar . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.2.5.RELEASE) 2025-07-10 04:23:21.267 INFO 17016 --- [ main] com.cn.travel.TravelApplication : Starting TravelApplication v0.0.1-SNAPSHOT on kali with PID 17016 (/mnt/hgfs/shiyansucai/travel-0.0.1-SNAPSHOT.jar started by root in /mnt/hgfs/shiyansucai) 2025-07-10 04:23:21.271 DEBUG 17016 --- [ main] com.cn.travel.TravelApplication : Running with Spring Boot v2.2.5.RELEASE, Spring v5.2.4.RELEASE 2025-07-10 04:23:21.271 INFO 17016 --- [ main] com.cn.travel.TravelApplication : No active profile set, falling back to default profiles: default 2025-07-10 04:23:22.054 INFO 17016 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode. 2025-07-10 04:23:22.088 INFO 17016 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 26ms. Found 0 JPA repository interfaces. 2025-07-10 04:23:22.203 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'orderDao' and 'com.cn.travel.cms.order.dao.OrderDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'insuranceDao' and 'com.cn.travel.cms.insurance.dao.InsuranceDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'scenicSpotDao' and 'com.cn.travel.cms.scenicSpot.dao.ScenicSpotDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'travelRouteDao' and 'com.cn.travel.cms.travelRoute.dao.TravelRouteDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'userDao' and 'com.cn.travel.role.user.dao.UserDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'carDao' and 'com.cn.travel.cms.car.dao.CarDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'strategyDao' and 'com.cn.travel.cms.strategy.dao.StrategyDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'adminDao' and 'com.cn.travel.role.admin.dao.AdminDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'messageDao' and 'com.cn.travel.cms.message.dao.MessageDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.204 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : Skipping MapperFactoryBean with name 'hotelDao' and 'com.cn.travel.cms.hotel.dao.HotelDao' mapperInterface. Bean already defined with the same name! 2025-07-10 04:23:22.205 WARN 17016 --- [ main] o.m.s.mapper.ClassPathMapperScanner : No MyBatis mapper was found in '[com.cn.travel.*.*.dao]' package. Please check your configuration. 2025-07-10 04:23:22.683 INFO 17016 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 80 (http) 2025-07-10 04:23:22.694 INFO 17016 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2025-07-10 04:23:22.694 INFO 17016 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.31] 2025-07-10 04:23:22.856 WARN 17016 --- [ main] o.a.tomcat.util.scan.StandardJarScanner : Failed to scan [jar:file:/mnt/hgfs/shiyansucai/travel-0.0.1-SNAPSHOT.jar!/BOOT-INF/lib/spring-webmvc-5.2.4.RELEASE.jar!/] from classloader hierarchy java.io.IOException: Unable to open root Jar file 'war:file:/mnt/hgfs/shiyansucai/travel-0.0.1-SNAPSHOT.jar*/BOOT-INF/lib/spring-webmvc-5.2.4.RELEASE.jar' at org.springframework.boot.loader.jar.Handler.getRootJarFile(Handler.java:316) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.jar.Handler.getRootJarFileFromUrl(Handler.java:298) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.jar.Handler.openConnection(Handler.java:84) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at java.base/java.net.URL.openConnection(URL.java:1258) ~[na:na] at java.base/java.net.URL.openStream(URL.java:1325) ~[na:na] at org.apache.tomcat.util.descriptor.tld.TldResourcePath.openStream(TldResourcePath.java:127) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.descriptor.tld.TldParser.parse(TldParser.java:61) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.parseTld(TldScanner.java:279) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner$TldScannerCallback.scan(TldScanner.java:313) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:387) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.processURLs(StandardJarScanner.java:318) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJarScanner.java:270) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:233) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:104) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:83) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5135) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:467) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at com.cn.travel.TravelApplication.main(TravelApplication.java:16) ~[classes!/:0.0.1-SNAPSHOT] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] Caused by: java.lang.IllegalStateException: Not a file URL at org.springframework.boot.loader.jar.Handler.getRootJarFile(Handler.java:304) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] ... 58 common frames omitted 2025-07-10 04:23:22.896 WARN 17016 --- [ main] o.a.tomcat.util.scan.StandardJarScanner : Failed to scan [jar:file:/mnt/hgfs/shiyansucai/travel-0.0.1-SNAPSHOT.jar!/BOOT-INF/lib/jstl-1.2.jar!/] from classloader hierarchy java.io.IOException: Unable to open root Jar file 'war:file:/mnt/hgfs/shiyansucai/travel-0.0.1-SNAPSHOT.jar*/BOOT-INF/lib/jstl-1.2.jar' at org.springframework.boot.loader.jar.Handler.getRootJarFile(Handler.java:316) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.jar.Handler.getRootJarFileFromUrl(Handler.java:298) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.jar.Handler.openConnection(Handler.java:84) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at java.base/java.net.URL.openConnection(URL.java:1258) ~[na:na] at java.base/java.net.URL.openStream(URL.java:1325) ~[na:na] at org.apache.tomcat.util.descriptor.tld.TldResourcePath.openStream(TldResourcePath.java:127) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.descriptor.tld.TldParser.parse(TldParser.java:61) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.parseTld(TldScanner.java:279) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner$TldScannerCallback.scan(TldScanner.java:313) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:387) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.processURLs(StandardJarScanner.java:318) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJarScanner.java:270) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:233) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:104) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:83) ~[tomcat-embed-jasper-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5135) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) ~[na:na] at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:467) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at com.cn.travel.TravelApplication.main(TravelApplication.java:16) ~[classes!/:0.0.1-SNAPSHOT] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] Caused by: java.lang.IllegalStateException: Not a file URL at org.springframework.boot.loader.jar.Handler.getRootJarFile(Handler.java:304) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] ... 58 common frames omitted 2025-07-10 04:23:22.919 INFO 17016 --- [ main] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 2025-07-10 04:23:22.923 INFO 17016 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-07-10 04:23:22.923 INFO 17016 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1582 ms 2025-07-10 04:23:22.989 INFO 17016 --- [ main] c.a.d.s.b.a.DruidDataSourceAutoConfigure : Init DruidDataSource 2025-07-10 04:23:23.198 INFO 17016 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} inited 2025-07-10 04:23:23.431 INFO 17016 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-07-10 04:23:23.522 INFO 17016 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.12.Final 2025-07-10 04:23:23.668 INFO 17016 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.0.Final} 2025-07-10 04:23:23.771 INFO 17016 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect 2025-07-10 04:23:23.799 WARN 17016 --- [ main] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000341: Could not obtain connection metadata : Unknown column 'RESERVED' in 'WHERE' 2025-07-10 04:23:23.800 WARN 17016 --- [ main] ConfigServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] 2025-07-10 04:23:23.801 INFO 17016 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closing ... 2025-07-10 04:23:23.807 INFO 17016 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closed 2025-07-10 04:23:23.809 INFO 17016 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-07-10 04:23:23.830 INFO 17016 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-07-10 04:23:23.832 ERROR 17016 --- [ main] o.s.boot.SpringApplication : Application run failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1796) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:595) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:517) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:323) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:321) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1108) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:868) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at com.cn.travel.TravelApplication.main(TravelApplication.java:16) ~[classes!/:0.0.1-SNAPSHOT] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:275) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:176) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:118) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.metadata(EntityManagerFactoryBuilderImpl.java:1202) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:1233) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:58) ~[spring-orm-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365) ~[spring-orm-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:391) ~[spring-orm-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:378) ~[spring-orm-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.afterPropertiesSet(LocalContainerEntityManagerFactoryBean.java:341) ~[spring-orm-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1855) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1792) ~[spring-beans-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] ... 22 common frames omitted Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.determineDialect(DialectFactoryImpl.java:100) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:54) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:137) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) ~[hibernate-core-5.4.12.Final.jar!/:5.4.12.Final] ... 39 common frames omitted
07-11
此外，日志中还有一条WARN：Could not obtain connection metadata : Unknown column 'RESERVED' in 'WHERE'，这可能暗示数据库模式有问题，或者使用的Hibernate版本与数据库不兼容。 总结可能的问题点： 1. 数据库...
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145) ~[na:na] at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.apache.catalina.startup.Tomcat.start(Tomcat.java:467) ~[tomcat-embed-core-9.0.31.jar!/:9.0.31] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.initialize(TomcatWebServer.java:107) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.<init>(TomcatWebServer.java:88) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getTomcatWebServer(TomcatServletWebServerFactory.java:438) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory.getWebServer(TomcatServletWebServerFactory.java:191) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.createWebServer(ServletWebServerApplicationContext.java:180) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.onRefresh(ServletWebServerApplicationContext.java:153) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544) ~[spring-context-5.2.4.RELEASE.jar!/:5.2.4.RELEASE] at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:141) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:315) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215) ~[spring-boot-2.2.5.RELEASE.jar!/:2.2.5.RELEASE] at com.cn.travel.TravelApplication.main(TravelApplication.java:16) ~[classes!/:0.0.1-SNAPSHOT] at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) ~[na:na] at java.base/java.lang.reflect.Method.invoke(Method.java:580) ~[na:na] at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:48) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:87) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.Launcher.launch(Launcher.java:51) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:52) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] Caused by: java.lang.IllegalStateException: Not a file URL at org.springframework.boot.loader.jar.Handler.getRootJarFile(Handler.java:304) ~[travel-0.0.1-SNAPSHOT.jar:0.0.1-SNAPSHOT] ... 58 common frames omitted 2025-07-10 04:43:26.009 INFO 26542 --- [ main] org.apache.jasper.servlet.TldScanner : At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. 2025-07-10 04:43:26.012 INFO 26542 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext 2025-07-10 04:43:26.012 INFO 26542 --- [ main] o.s.web.context.ContextLoader : Root WebApplicationContext: initialization completed in 1442 ms 2025-07-10 04:43:26.070 INFO 26542 --- [ main] c.a.d.s.b.a.DruidDataSourceAutoConfigure : Init DruidDataSource 2025-07-10 04:43:26.258 INFO 26542 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} inited 2025-07-10 04:43:26.368 INFO 26542 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default] 2025-07-10 04:43:26.468 INFO 26542 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.12.Final 2025-07-10 04:43:26.607 INFO 26542 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.0.Final} 2025-07-10 04:43:26.789 INFO 26542 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MariaDB103Dialect 2025-07-10 04:43:26.819 WARN 26542 --- [ main] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000341: Could not obtain connection metadata : Unknown column 'RESERVED' in 'WHERE' 2025-07-10 04:43:26.819 INFO 26542 --- [ main] org.hibernate.dialect.Dialect : HHH000400: Using dialect: org.hibernate.dialect.MariaDB103Dialect 2025-07-10 04:43:26.986 INFO 26542 --- [ main] o.h.e.t.j.p.i.JtaPlatformInitiator : HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform] 2025-07-10 04:43:26.990 INFO 26542 --- [ main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory for persistence unit 'default' 2025-07-10 04:43:27.624 WARN 26542 --- [ main] JpaBaseConfiguration$JpaWebConfiguration : spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning MyBatisConfiguration.pageHelper() 2025-07-10 04:43:27.806 INFO 26542 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Initializing ExecutorService 'applicationTaskExecutor' 2025-07-10 04:43:27.887 INFO 26542 --- [ main] o.s.b.a.w.s.WelcomePageHandlerMapping : Adding welcome page template: index 2025-07-10 04:43:27.933 WARN 26542 --- [ main] org.thymeleaf.templatemode.TemplateMode : [THYMELEAF][main] Template Mode 'LEGACYHTML5' is deprecated. Using Template Mode 'HTML' instead. 2025-07-10 04:43:27.958 INFO 26542 --- [ main] t.m.m.autoconfigure.MapperCacheDisabler : Clear tk.mybatis.mapper.util.MsUtil CLASS_CACHE cache. 2025-07-10 04:43:27.959 INFO 26542 --- [ main] t.m.m.autoconfigure.MapperCacheDisabler : Clear tk.mybatis.mapper.genid.GenIdUtil CACHE cache. 2025-07-10 04:43:27.960 INFO 26542 --- [ main] t.m.m.autoconfigure.MapperCacheDisabler : Clear tk.mybatis.mapper.version.VersionUtil CACHE cache. 2025-07-10 04:43:27.960 INFO 26542 --- [ main] t.m.m.autoconfigure.MapperCacheDisabler : Clear EntityHelper entityTableMap cache. 2025-07-10 04:43:28.068 INFO 26542 --- [ main] o.apache.catalina.core.StandardService : Stopping service [Tomcat] 2025-07-10 04:43:28.090 INFO 26542 --- [ main] ConditionEvaluationReportLoggingListener : Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled. 2025-07-10 04:43:28.092 ERROR 26542 --- [ main] o.s.b.d.LoggingFailureAnalysisReporter : *************************** APPLICATION FAILED TO START *************************** Description: Web server failed to start. Port 80 was already in use. Action: Identify and stop the process that's listening on port 80 or configure this application to listen on another port. 2025-07-10 04:43:28.094 INFO 26542 --- [ main] o.s.s.concurrent.ThreadPoolTaskExecutor : Shutting down ExecutorService 'applicationTaskExecutor' 2025-07-10 04:43:28.095 INFO 26542 --- [ main] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default' 2025-07-10 04:43:28.096 INFO 26542 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closing ... 2025-07-10 04:43:28.101 INFO 26542 --- [ main] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closed ┌──(kali㉿kali)-[/mnt/hgfs/shiyansucai] └─$ sudo systemctl status mariadb ● mariadb.service - MariaDB 11.8.2 database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; preset: disabled) Active: active (running) since Thu 2025-07-10 03:52:33 EDT; 51min ago Invocation: 0e8e759073774f3db4beb277c6a197b5 Docs: man:mariadbd(8) https://mariadb.com/kb/en/library/systemd/ Main PID: 1079 (mariadbd) Status: "Taking your SQL requests now..." Tasks: 11 (limit: 14518) Memory: 161M (peak: 162.7M, swap: 4K, swap peak: 4K) CPU: 2.785s CGroup: /system.slice/mariadb.service └─1079 /usr/sbin/mariadbd Jul 10 03:52:32 kali mariadbd[1079]: 2025-07-10 3:52:32 0 [Note] Plugin 'wsrep-provider' is disabled. Jul 10 03:52:32 kali mariadbd[1079]: 2025-07-10 3:52:32 0 [Note] Recovering after a crash using tc.log Jul 10 03:52:32 kali mariadbd[1079]: 2025-07-10 3:52:32 0 [Note] Starting table crash recovery... Jul 10 03:52:32 kali mariadbd[1079]: 2025-07-10 3:52:32 0 [Note] Crash table recovery finished. Jul 10 03:52:32 kali mariadbd[1079]: 2025-07-10 3:52:32 0 [Note] InnoDB: Buffer pool(s) load completed at 25> Jul 10 03:52:33 kali mariadbd[1079]: 2025-07-10 3:52:33 0 [Note] Server socket created on IP: '127.0.0.1'. Jul 10 03:52:33 kali mariadbd[1079]: 2025-07-10 3:52:33 0 [Note] mariadbd: Event Scheduler: Loaded 0 events Jul 10 03:52:33 kali mariadbd[1079]: 2025-07-10 3:52:33 0 [Note] /usr/sbin/mariadbd: ready for connections. Jul 10 03:52:33 kali mariadbd[1079]: Version: '11.8.2-MariaDB-1 from Debian' socket: '/run/mysqld/mysqld.soc> Jul 10 03:52:33 kali systemd[1]: Started mariadb.service - MariaDB 11.8.2 database server. ┌──(kali㉿kali)-[/mnt/hgfs/shiyansucai] └─$ mysql -u root -p123456 -h 127.0.0.1 travel_db -e "SELECT 1;" +---+ | 1 | +---+ | 1 | +---+ ┌──(kali㉿kali)-[/mnt/hgfs/shiyansucai] └─$ tail -f /mnt/hgfs/shiyansucai/logs/application.log tail: cannot open '/mnt/hgfs/shiyansucai
最新发布
07-11
好的，我现在需要帮助用户解决他们在Kali Linux上运行Spring Boot应用时遇到的问题。根据之前的对话历史，用户已经尝试过一些解决方案，但问题依然存在。现在用户的最新日志显示应用启动失败，因为端口80被占用，...
com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception:
浪迹天涯
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刚才，启动Tomcat，访问登录界面的时候，报了如下的错误： 2013-10-23 2:31:56 org.logicalcobwebs.proxool.ProxoolFacade registerConnectionPool 信息: Proxool 0.9.0RC3 (10-Jan-2007 01:38) 2013-10-23 2:31:58 org.logicalcobwebs.prox
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.myhibernatedata文件的内容如下：  ##Fri Oct 31 11:30:39 CST 2008genBasicCompId=falsesessionFactoryName=com.HibernateSessionFactoryprofile=daoSFId=version=3.1jndiPath=detectM2M=falsereStrategyClass=springD
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原因数据库信息填错啦。
WARN SettingsFactory:109 - Could not obtain connection metadata
doop1120的专栏
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<br />关于这个错误，一定要先看下自己的数据库服务启动了没......我就被这个失误搞的头疼了半小时
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miskmat的专栏
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当时在本机测试，连接本机的数据库都没问题，后来发现是sqlserver 2008和以前的版本是不支持这个属性只能设置false,这个属性是 java连接SQL Sever因加密连接数据不支持这个。最后就试着改数据库连接的参数：结果找到原因了encrypt=false 这个值为false ，就可以正常连上数据库。spring boot 工程连接sqlserver，连接数据库名是中文，报这个错，是连接上了数据库，之后有断开了。
Could not obtain connection to query metadata : Public Key Retrieval is not allowed
JavaEdge全是干货的技术号
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您应该将客户端选项添加到 MySQL 连接器中， allowPublicKeyRetrieval=true 以允许客户端自动从服务器请求公钥。 AllowPublicKeyRetrieval=True 允许恶意代理执行 MITM 攻击以获取纯文本密码，因此默认情况下它是false！必须显式开启。 也可以使用如下配置： useSSL=false 所以，最终修改 db 配置如下即可： jdbc:mysql://localhost:3306/db?allowPublicKeyRetrieval=true&a
Could not obtain connection metadata 查看SQL SERVER2012端口
langyaonet的专栏
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最近装了SQL SERVER2008发现服务端用的是2012版本，无奈重卸了再装2012，但发现项目原来的1433端口连不上了，查看后才发现改成1434了，可以在SQL SERVER2012查询界面用SQL语句查：exec sys.sp_readerrorlog 0, 1, 'listening'
BUG之路：1.向数据库写表时报错
qq_45851456的博客
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Error starting ApplicationContext. To display the conditions report re-run your application with ‘debug’ enabled. 2020-12-11 15:55:21.063 ERROR 5152 — [ restartedMain] o.s.boot.SpringApplication : Application run failed org.springframework.b
java连接mysql数据库,出现错误：java.sql.SQLException
samgu3663的专栏
12-31 2591
警告: Could not obtain connection metadata java.sql.SQLException: Communication link failure: java.io.IOException, underlying cause: Unexpected end of input stream ** BEGIN NESTED EXCEPTION ** java.io
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