java.lang.Exception:Cannot load JDBC driver class 'oracle.jdbc.OracleDriver'

最新推荐文章于 2025-01-21 14:54:28 发布
最新推荐文章于 2025-01-21 14:54:28 发布 · 420 阅读 · 0
文章标签：

#Tomcat #JDBC #Oracle #编程

本文介绍了一种常见的Oracle报表加载失败的问题及解决方案。通过在Tomcat的lib目录下添加ojdbc14.jar文件解决了无法加载JDBC驱动类'oracle.jdbc.OracleDriver'导致的异常。
java.lang.Exception:
Cannot load JDBC driver class 'oracle.jdbc.OracleDriver'
首先描述下自己的错误：
oracle的数据库。
在加载报表时，不能显示报表，页面出现以上错误。
解决方案：
在tomcat6.0下的lib文件夹中拷贝ojdbc14.jar。再次启动项目就正常的显示报表了。
至于为什么会出现这个错误。尚在研究，大家有兴趣可以跟我讨论
QQ : 645677343
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catch SQLException when trying to get connection from DataSourceorg.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot load JDBC driver class oracle.jdbc.driver.OracleDrivertomcat中尚未加载class12.ja
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java.lang.RuntimeException: Failed to load driver class oracle.jdbc.OracleDriver in either of Hikari
有时间可以指导毕业设计，可以私聊我。一个热爱编程的smallCuteMonkey，可以私信我
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[报错解决]Failed to load driver class oracle.jdbc.OracleDriver
WLKUYM的博客
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【代码】[报错解决]Failed to load driver class oracle.jdbc.OracleDriver。
D:\桌面\apache-tomcat-9.0.106\bin\catalina.bat run [2025-07-01 04:36:23,779] 工件 test1:war exploded: 正在等待服务器连接以启动工件部署… Using CATALINA_BASE: "C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959" Using CATALINA_HOME: "D:\����\apache-tomcat-9.0.106" Using CATALINA_TMPDIR: "D:\����\apache-tomcat-9.0.106\temp" Using JRE_HOME: "C:\Program Files\Java\jdk-21" Using CLASSPATH: "D:\����\apache-tomcat-9.0.106\bin\bootstrap.jar;D:\����\apache-tomcat-9.0.106\bin\tomcat-juli.jar" Using CATALINA_OPTS: "" NOTE: Picked up JDK_JAVA_OPTIONS: --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.base/java.lang.reflect=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.util.concurrent=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED 01-Jul-2025 16:36:24.942 警告 [main] org.apache.catalina.startup.ClassLoaderFactory.validateFile Problem with directory [D:\桌面\apache-tomcat-9.0.106\lib], exists: [false], isDirectory: [false], canRead: [false] 01-Jul-2025 16:36:24.945 警告 [main] org.apache.catalina.startup.ClassLoaderFactory.validateFile Problem with directory [D:\桌面\apache-tomcat-9.0.106\lib], exists: [false], isDirectory: [false], canRead: [false] 01-Jul-2025 16:36:27.111 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.服务器版本: Apache Tomcat/9.0.106 01-Jul-2025 16:36:27.111 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器构建: Jun 5 2025 19:02:30 UTC 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器版本号: 9.0.106.0 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 操作系统名称: Windows 11 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.版本: 10.0 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 架构: amd64 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 环境变量: C:\Program Files\Java\jdk-21 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java虚拟机版本: 21.0.7+8-LTS-245 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.供应商: Oracle Corporation 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: D:\桌面\apache-tomcat-9.0.106 01-Jul-2025 16:36:27.112 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.lang=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.lang.invoke=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.lang.reflect=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.io=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.util=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.base/java.util.concurrent=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.util.logging.config.file=C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959\conf\logging.properties 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 01-Jul-2025 16:36:27.113 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote= 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.port=1099 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.ssl=false 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.password.file=C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959\jmxremote.password 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.access.file=C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959\jmxremote.access 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.rmi.server.hostname=127.0.0.1 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djdk.tls.ephemeralDHKeySize=2048 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dsun.io.useCanonCaches=false 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dignore.endorsed.dirs= 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcatalina.base=C:\Users\Lenovo\AppData\Local\JetBrains\IntelliJIdea2025.1\tomcat\9af9a62d-8cc4-48aa-b9a7-b9fd6acf1959 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcatalina.home=D:\桌面\apache-tomcat-9.0.106 01-Jul-2025 16:36:27.114 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.io.tmpdir=D:\桌面\apache-tomcat-9.0.106\temp 01-Jul-2025 16:36:27.246 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent 使用APR版本[1.7.4]加载了基于APR的Apache Tomcat本机库[1.3.1]。 01-Jul-2025 16:36:27.246 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR功能：IPv6[true]、sendfile[true]、accept filters[false]、random[true]、UDS [true]。 01-Jul-2025 16:36:27.246 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL配置：useAprConnector[false]，useOpenSSL[true] 01-Jul-2025 16:36:27.252 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL成功初始化 [OpenSSL 3.0.14 4 Jun 2024] 01-Jul-2025 16:36:27.420 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["http-nio-8080"] 01-Jul-2025 16:36:27.439 信息 [main] org.apache.catalina.startup.Catalina.load 服务器在[466]毫秒内初始化 01-Jul-2025 16:36:27.534 信息 [main] org.apache.catalina.core.StandardService.startInternal 正在启动服务[Catalina] 01-Jul-2025 16:36:27.535 信息 [main] org.apache.catalina.core.StandardEngine.startInternal 正在启动 Servlet 引擎：[Apache Tomcat/9.0.106] 01-Jul-2025 16:36:27.559 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"] 01-Jul-2025 16:36:27.626 信息 [main] org.apache.catalina.startup.Catalina.start [186]毫秒后服务器启动 已连接到服务器 [2025-07-01 04:36:27,906] 工件 test1:war exploded: 正在部署工件，请稍候… 01-Jul-2025 16:36:30.206 信息 [RMI TCP Connection(4)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录，以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。 01-Jul-2025 16:36:30.328 信息 [RMI TCP Connection(4)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered via the SPI and manual loading of the driver class is generally unnecessary. 01-Jul-2025 16:36:31.054 警告 [RMI TCP Connection(4)-127.0.0.1] org.springframework.context.support.AbstractApplicationContext.refresh Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerServiceImpl': Unsatisfied dependency expressed through field 'customerMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerMapper' defined in file [D:\test5\test1\target\ssm-demo\WEB-INF\classes\com\example\mapper\CustomerMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'org.springframework.core.io.Resource[]' for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist 01-Jul-2025 16:36:31.056 严重 [RMI TCP Connection(4)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerServiceImpl': Unsatisfied dependency expressed through field 'customerMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerMapper' defined in file [D:\test5\test1\target\ssm-demo\WEB-INF\classes\com\example\mapper\CustomerMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'org.springframework.core.io.Resource[]' for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:659) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639) at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:953) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:401) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:292) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4059) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4501) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:599) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:571) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:603) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1746) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:252) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:449) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:403) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:252) at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803) at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802) at java.management/com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1472) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1310) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1412) at java.management.rmi/javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) at java.base/java.lang.reflect.Method.invoke(Method.java:580) at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200) at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197) at java.base/java.security.AccessController.doPrivileged(AccessController.java:714) at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196) at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:598) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:844) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:721) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:720) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'customerMapper' defined in file [D:\test5\test1\target\ssm-demo\WEB-INF\classes\com\example\mapper\CustomerMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'org.springframework.core.io.Resource[]' for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1534) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1417) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309) at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:656) ... 56 more Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'org.springframework.core.io.Resource[]' for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:628) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1389) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1309) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1519) ... 67 more Caused by: org.springframework.beans.TypeMismatchException: Failed to convert property value of type 'java.lang.String' to required type 'org.springframework.core.io.Resource[]' for property 'mapperLocations'; nested exception is java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist at org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary(AbstractNestablePropertyAccessor.java:600) at org.springframework.beans.AbstractNestablePropertyAccessor.convertForProperty(AbstractNestablePropertyAccessor.java:609) at org.springframework.beans.BeanWrapperImpl.convertForProperty(BeanWrapperImpl.java:219) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.convertForProperty(AbstractAutowireCapableBeanFactory.java:1756) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1712) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1452) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:619) ... 76 more Caused by: java.lang.IllegalArgumentException: Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist at org.springframework.core.io.support.ResourceArrayPropertyEditor.setAsText(ResourceArrayPropertyEditor.java:121) at org.springframework.beans.TypeConverterDelegate.doConvertTextValue(TypeConverterDelegate.java:429) at org.springframework.beans.TypeConverterDelegate.doConvertValue(TypeConverterDelegate.java:402) at org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:155) at org.springframework.beans.AbstractNestablePropertyAccessor.convertIfNecessary(AbstractNestablePropertyAccessor.java:590) ... 82 more 01-Jul-2025 16:36:31.057 严重 [RMI TCP Connection(4)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 一个或多个listeners启动失败，更多详细信息查看对应的容器日志文件 01-Jul-2025 16:36:31.062 严重 [RMI TCP Connection(4)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 由于之前的错误，Context[/test1_war_exploded]启动失败 01-Jul-2025 16:36:31.069 警告 [RMI TCP Connection(4)-127.0.0.1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesJdbc Web应用程序 [test1_war_exploded] 注册了JDBC驱动程序 [com.mysql.cj.jdbc.Driver]，但在Web应用程序停止时无法注销它。 为防止内存泄漏，JDBC驱动程序已被强制取消注册。 [2025-07-01 04:36:31,078] 工件 test1:war exploded: 部署工件时出错。请参阅服务器日志了解详细信息。 01-Jul-2025 16:36:36.025 信息 [mysql-cj-abandoned-connection-cleanup] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading 非法访问：此Web应用程序实例已停止。无法加载[]。为了调试以及终止导致非法访问的线程，将抛出以下堆栈跟踪。 java.lang.IllegalStateException: 非法访问：此Web应用程序实例已停止。无法加载[]。为了调试以及终止导致非法访问的线程，将抛出以下堆栈跟踪。 at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1374) at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:997) at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.checkThreadContextClassLoader(AbandonedConnectionCleanupThread.java:123) at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:90) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) at java.base/java.lang.Thread.run(Thread.java:1583) 01-Jul-2025 16:36:37.576 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [D:\桌面\apache-tomcat-9.0.106\webapps\manager] 01-Jul-2025 16:36:37.641 信息 [Catalina-utility-2] org.apache.catalina.startup.HostConfig.deployDirectory Web应用程序目录[D:\桌面\apache-tomcat-9.0.106\webapps\manager]的部署已在[64]毫秒内完成
07-02
Could not resolve resource location pattern [classpath:mapper/*.xml]: class path resource [mapper/] cannot be resolved to URL because it does not exist ``` ### **错误分析** 1. **根本原因** - 在`...
F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\bin\catalina.bat run [2025-10-28 04:40:19,403] Artifact ssma:war: Waiting for server connection to start artifact deployment... Using CATALINA_BASE: "C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma" Using CATALINA_HOME: "F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111" Using CATALINA_TMPDIR: "F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111" Using JRE_HOME: "C:\Program Files\Java\jdk1.8.0_202" Using CLASSPATH: "F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\bin\bootstrap.jar;F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\bin\tomcat-juli.jar" Using CATALINA_OPTS: "" Connected to the target VM, address: '127.0.0.1:55719', transport: 'socket' 28-Oct-2025 16:40:20.434 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server.服务器版本: Apache Tomcat/9.0.111 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器构建: Oct 10 2025 14:13:20 UTC 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 服务器版本号: 9.0.111.0 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 操作系统名称: Windows 10 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS.版本: 10.0 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 架构: amd64 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java 环境变量: C:\Program Files\Java\jdk1.8.0_202\jre 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java虚拟机版本: 1.8.0_202-b08 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM.供应商: Oracle Corporation 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma 28-Oct-2025 16:40:20.437 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.util.logging.config.file=C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma\conf\logging.properties 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:55719,suspend=y,server=n 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -javaagent:C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\captureAgent\debugger-agent.jar 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote= 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.port=1099 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.ssl=false 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.password.file=C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma\jmxremote.password 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcom.sun.management.jmxremote.access.file=C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma\jmxremote.access 28-Oct-2025 16:40:20.438 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.rmi.server.hostname=127.0.0.1 28-Oct-2025 16:40:20.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djdk.tls.ephemeralDHKeySize=2048 28-Oct-2025 16:40:20.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.protocol.handler.pkgs=org.apache.catalina.webresources 28-Oct-2025 16:40:20.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dsun.io.useCanonCaches=false 28-Oct-2025 16:40:20.439 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dignore.endorsed.dirs= 28-Oct-2025 16:40:20.445 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcatalina.base=C:\Users\ZhuanZ1\AppData\Local\JetBrains\IntelliJIdea2020.1\tomcat\Unnamed_ssma 28-Oct-2025 16:40:20.445 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Dcatalina.home=F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111 28-Oct-2025 16:40:20.445 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log 命令行参数： -Djava.io.tmpdir=F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111 28-Oct-2025 16:40:20.448 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent 使用APR版本[1.7.4]加载了基于APR的Apache Tomcat本机库[1.3.1]。 28-Oct-2025 16:40:20.448 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR功能：IPv6[true]、sendfile[true]、accept filters[false]、random[true]、UDS [true]。 28-Oct-2025 16:40:20.448 信息 [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent APR/OpenSSL配置：useAprConnector[false]，useOpenSSL[true] 28-Oct-2025 16:40:20.452 信息 [main] org.apache.catalina.core.AprLifecycleListener.initializeSSL OpenSSL成功初始化 [OpenSSL 3.0.14 4 Jun 2024] 28-Oct-2025 16:40:20.670 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["http-nio-8080"] 28-Oct-2025 16:40:20.685 信息 [main] org.apache.catalina.startup.Catalina.load 服务器在[456]毫秒内初始化 28-Oct-2025 16:40:20.714 信息 [main] org.apache.catalina.core.StandardService.startInternal 正在启动服务[Catalina] 28-Oct-2025 16:40:20.714 信息 [main] org.apache.catalina.core.StandardEngine.startInternal 正在启动 Servlet 引擎：[Apache Tomcat/9.0.111] 28-Oct-2025 16:40:20.726 信息 [main] org.apache.coyote.AbstractProtocol.start 开始协议处理句柄["http-nio-8080"] 28-Oct-2025 16:40:20.742 信息 [main] org.apache.catalina.startup.Catalina.start [56]毫秒后服务器启动 Connected to server [2025-10-28 04:40:20,968] Artifact ssma:war: Artifact is being deployed, please wait... 28-Oct-2025 16:40:22.987 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.jasper.servlet.TldScanner.scanJars 至少有一个JAR被扫描用于TLD但尚未包含TLD。 为此记录器启用调试日志记录，以获取已扫描但未在其中找到TLD的完整JAR列表。 在扫描期间跳过不需要的JAR可以缩短启动时间和JSP编译时间。 28-Oct-2025 16:40:23.052 信息 [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Root WebApplicationContext: initialization started 28-Oct-2025 16:40:23.981 警告 [RMI TCP Connection(3)-127.0.0.1] org.springframework.context.support.AbstractApplicationContext.refresh Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring/applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User 28-Oct-2025 16:40:23.982 信息 [RMI TCP Connection(3)-127.0.0.1] com.alibaba.druid.support.logging.JakartaCommonsLoggingImpl.info {dataSource-0} closing ... 28-Oct-2025 16:40:23.985 严重 [RMI TCP Connection(3)-127.0.0.1] org.springframework.web.context.ContextLoader.initWebApplicationContext Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource [spring/applicationContext.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:936) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:918) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:583) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:401) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:292) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:103) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4047) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4489) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:597) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:569) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1743) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:249) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:445) at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:399) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:249) at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468) at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468) at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309) at java.security.AccessController.doPrivileged(Native Method) at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408) at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:613) at org.mybatis.spring.SqlSessionFactoryBean.afterPropertiesSet(SqlSessionFactoryBean.java:491) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ... 59 more Caused by: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is 'file [F:\apache-tomcat-9.0.111-windows-x64\apache-tomcat-9.0.111\webapps\ROOT\WEB-INF\classes\mapper\UserMapper.xml]'. Cause: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:123) at org.apache.ibatis.builder.xml.XMLMapperBuilder.parse(XMLMapperBuilder.java:95) at org.mybatis.spring.SqlSessionFactoryBean.buildSqlSessionFactory(SqlSessionFactoryBean.java:611) ... 62 more Caused by: org.apache.ibatis.builder.BuilderException: Error resolving class. Cause: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:118) at org.apache.ibatis.builder.xml.XMLStatementBuilder.parseStatementNode(XMLStatementBuilder.java:76) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:138) at org.apache.ibatis.builder.xml.XMLMapperBuilder.buildStatementFromContext(XMLMapperBuilder.java:131) at org.apache.ibatis.builder.xml.XMLMapperBuilder.configurationElement(XMLMapperBuilder.java:121) ... 64 more Caused by: org.apache.ibatis.type.TypeException: Could not resolve type alias 'User'. Cause: java.lang.ClassNotFoundException: Cannot find class: User at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:128) at org.apache.ibatis.builder.BaseBuilder.resolveAlias(BaseBuilder.java:149) at org.apache.ibatis.builder.BaseBuilder.resolveClass(BaseBuilder.java:116) ... 68 more Caused by: java.lang.ClassNotFoundException: Cannot find class: User at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:196) at org.apache.ibatis.io.ClassLoaderWrapper.classForName(ClassLoaderWrapper.java:89) at org.apache.ibatis.io.Resources.classForName(Resources.java:261) at org.apache.ibatis.type.TypeAliasRegistry.resolveAlias(TypeAliasRegistry.java:124) ... 70 more 28-Oct-2025 16:40:24.000 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 一个或多个listeners启动失败，更多详细信息查看对应的容器日志文件 28-Oct-2025 16:40:24.001 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.startInternal 由于之前的错误，Context[]启动失败 [2025-10-28 04:40:24,020] Artifact ssma:war: Error during artifact deployment. 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Cannot load driver class: oracle.jdbc.driver.OracleDriver
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### 回答问题： 这个异常： ``` Caused by: java.lang.IllegalStateException: Cannot load driver class: oracle.jdbc.OracleDriver ``` 通常发生在 Spring Boot 应用中，当你配置了 Oracle 数据库连接，但应用无法加载 Oracle JDBC 驱动类 `oracle.jdbc.OracleDriver`。问题的根本原因通常是 **Oracle JDBC 驱动没有被正确引入到项目中**。 --- ### ✅ 解决方法： #### 方法 1：确认是否添加了 Oracle JDBC 依赖 如果你使用的是 Maven 项目，确保 `pom.xml` 中添加了 Oracle JDBC 驱动的依赖。 > ⚠️ Oracle 官方不允许通过 Maven Central 分发驱动，所以你需要手动安装或者使用第三方仓库。 ##### 手动安装 Oracle JDBC 到本地 Maven 仓库： ```bash mvn install:install-file -Dfile=ojdbc8.jar -DgroupId=com.oracle.database.jdbc -DartifactId=ojdbc8 -Dversion=21.10.0.0 -Dpackaging=jar ``` 然后在 `pom.xml` 中添加依赖： ```xml <dependency> <groupId>com.oracle.database.jdbc</groupId> <artifactId>ojdbc8</artifactId> <version>21.10.0.0</version> </dependency> ``` --- #### 方法 2：检查 `application.properties` 或 `application.yml` 配置是否正确 确保你的数据库配置正确，特别是 `spring.datasource.driver-class-name` 和 URL： ##### application.properties 示例： ```properties spring.datasource.url=jdbc:oracle:thin:@localhost:1521:orcl spring.datasource.username=your_username spring.datasource.password=your_password spring.datasource.driver-class-name=oracle.jdbc.OracleDriver ``` ##### application.yml 示例： ```yaml spring: datasource: url: jdbc:oracle:thin:@localhost:1521:orcl username: your_username password: your_password driver-class-name: oracle.jdbc.OracleDriver ``` --- #### 方法 3：使用正确的 JDBC URL 格式 Oracle 的 JDBC URL 格式应为： ``` jdbc:oracle:thin:@<host>:<port>:<SID> ``` 或使用服务名的方式： ``` jdbc:oracle:thin:@//<host>:<port>/<service_name> ``` 例如： ```properties spring.datasource.url=jdbc:oracle:thin:@//localhost:1521/orcl ``` --- ### 🔍 问题产生的原因： 1. **缺少 Oracle JDBC 驱动依赖**：Spring Boot 无法加载 `oracle.jdbc.OracleDriver` 类。 2. **驱动类名配置错误**：配置文件中 `driver-class-name` 错误。 3. **JDBC URL 格式错误**：导致连接失败，也可能间接引发驱动类加载失败。 4. **Maven 未正确识别依赖**：依赖未正确安装或版本不兼容。 --- ### 相关问题：
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