JSP 上传图片产生 java.io.IOException: Stream closed

本文解决了在使用JSP进行图片上传过程中遇到的Stream closed异常问题。通过调整out对象的使用方式,将out.close()替换为out.flush()并使用pageContext.pushBody()来避免异常发生。

在做 jsp 上传图片时,把 java 代码直接改成 jsp,上传时产生 如下异常:

2012-12-31 8:59:21 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet jsp threw exception
java.io.IOException: Stream closed
...


百思不得其解,翻出 jsp 转成 servlet 后的代码。如下(很很的醒目一下):

...

}catch(Exception e){
e.printStackTrace();
}finally{
out.flush(); //
out.close();// 此处为源始代码

DBHelper.freeConnection(connection);
}
out.write('\r'); // 如上我已经关了 out 对象,但此处还在使用,所以便产生了如开始所描述的异常
out.write('\n');

} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
try { out.clearBuffer(); } catch (java.io.IOException e) {}
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
_jspxFactory.releasePageContext(_jspx_page_context);
}

...

解决办法:把程序中加红加粗的代码改成:

out.flush() ;

out = pageContext.pushBody(); // 关于该段程序的解释,doc中已经说的很清楚。如下:(要特别注意一下flush()和clear()方法的区别,因为需求不同程序是不同的)


abstract void flush()
Flush the stream.

abstract void clear()
Clear the contents of the buffer.

PageContext 实现了抽象类 JspContext ,方法:pushBody(), 保存当前的out对象

BodyContent pushBody()
Return a new BodyContent object, save the current "out" JspWriter, and update the value of the "out" attribute in the page scope attribute namespace of the PageContext.

public abstract class BodyContent
extends JspWriter out 内置对象

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
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