7.Error提示： main cannot be resolved or is not a field

最新推荐文章于 2015-10-16 00:38:00 发布
原创 最新推荐文章于 2015-10-16 00:38:00 发布 · 588 阅读 · 0 ·
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本文针对编程中常见的Error提示——main无法解析或不是字段的问题，提供了详细的解决办法。

问题:

7. Error提示： main cannot be resolved or is not a field


解决办法:


gmx-MMPBSA — error while loading shared libraries: libgfortran.so.3: cannot open shared object file
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操作系统Centos8 运行gmx_MMPBSA时，出现error while loading shared libraries: libgfortran.so.3: cannot open shared object file错误： [userrr@localhost gmx_MMPBSA]$ gmx_MMPBSA -O -i mmpbsa.in -cs md.tpr -ci index.ndx -cg 1 14 -ct fbd.xtc -lm UNK_bcc_gaff.mol2 [INFO ] St
bug：The following dependencies are imported but could not be resolved lib-flexibleflexible
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ivyone@ivyonedeMacBook-Pro daily-cost % npm run dev > vite-project@0.0.0 dev /Users/ivyone/hami94/daily-cost > vite > src/router/index.js:3:17: error: Could not resolve "../views/Data.vue" 3 │ import Data from "../views/Data.vue"; ?
main cannot be resolved or is not a field
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<br /><br />Link all references for a local rename (does not change  references in other files)<br />main cannot be resolved or is not a field<br />刚遇到这个纠结的问题，代码都没错，R.layout.main总是在layout上游错误提示波浪线。在网上查了好多都是说clean一下工程 然后build工程就可以了，或者fix project properties
Troubleshoot: R.Layout.Main cannot be resolved
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问题:下面代码中的第12行出错：R.layout.main cannot be resolved. 1 package com.Tealc.DaysBetween;23 import android.R;4 import android.app.Activity;5 import android.os.Bundle;67 public class DaysBetween extends Acti...
activity_main cannot be resolved or is not a field
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今天编程的时候莫名其妙在setContentView(R.id.activity_main);这里报错，提示是activity_main cannot be resolved or is not a field，可以change to activity_list什么，但这样以来自己的文件里那些id就无法使用了 又回过头看，明明有这个xml文件 后来才发现是导入包的时候不知怎么的导入了一个R包，...
Exception in thread "main" java.lang.Error: Unresolved compilation problem: currentUserType cannot be resolved or is not a field
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"Exception in thread 'main' java.lang.Error: Unresolved compilation problem: currentUserType cannot be resolved or is not a field"是一个编译错误信息，它表示在当前代码中找不到名为currentUserType的字段...
Exception in thread "main" java.lang.Error: Unresolved compilation problem: p cannot be resolved or is not a field at bb.bb.main(bb.java:17)
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在 Java 程序中遇到 “Unresolved compilation problem: p cannot be resolved or is not a field” 错误，通常是由于编译器无法识别 “p” 这个标识符，可能是变量未声明、拼写错误、作用域问题等。以下是一些可能...
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`...
Android Error:main cannot be resolved or is not a field，异常语句：setContentView(R.layout.main);
u012565341的专栏
02-18 1300
网上百度的结果是这样的， 产生原因是： 添加文件，比如xml文件或者资源文件时，系统自动添加了import android.R;android.R是系统提供的资源，R是应用程序的资源。删除"import android.R"之后工程就是从/res文件夹下自动生成的资源文件里去解析了，否则它会从Android的资源类里去找。 (1) 删除activity代码中的"import andr
Android Error:main cannot be resolved or is not a field
zshow0901的专栏
02-28 827
Android Error:main cannot be resolved or is not a field R.layout.main总是在layout上有错误提示波浪线。 解决方法： (1) 删除"import android.R;". (2) 勾选上Eclipse中的"Project->Build Automatically";   原因是： 添加
“main cannot be resolved or is not a field”解决方案
weixin_33850015的博客
09-15 368
.layout.main总是在layout上有错误提示波浪线。 解决方法： (1) 删除"import android.R;". (2) 勾选上Eclipse中的"Project->Build Automatically"; 原因是： 添加文件，比如xml文件或者资源文件时，系统自动添加了import android.R;android.R是系统提供的资源，R是应用程序的...
main cannot be resolved or is not a field错误
lu_dashi的专栏
01-16 640
刚创建android项目时把layout里的main.xml改成了splash.xml，结果一直提示上面的错误，网上查着说是因为多了import android.R，但根本没这行代码，R里面的splash业已经自动改过来了，就是找不到原因。。。结果最后点了下全部保存错误就没了。。
main_activiy cannot be resolved or is not a field
goodmentc的专栏
06-06 681
安卓开发中，出现错误：main_activiy cannot be resolved or is not a field。 查看R.java，里面有这个布局文件的id，查看警告信息发现不应该导入 android.R； 警告信息： Description Resource Path Location Type Don't include android.R here; use a f
R.layout.main cannot be resolved解决办法
学习学习
10-11 1万+
今天敲的代码 package com.sharpandroid.activity; import android.R; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; impo
R.layout.main cannot be resolved 问题 补充回答。
hbu_zhy的专栏
02-07 639
关于R.java不能自动生成的问题，网上有好多种解决方法， 这里我就不一一列举了， 现在，我说下我曾经发生的问题。 问题现象： 不管导入android实例程序还是，新建一个工程，总是报错 “R.layout.main cannot be resolved” 并且gen目录下R.java没有自动生成。 后来发现是ADT与sdk的版本不匹配引起。 我装的是ADT16
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