java.lang.NoClassDefFoundError: org/apache/commons/dbutils/ResultSetHandler

IDEA中Servlet访问失败解决
本文解决了一个在IntelliJ IDEA中访问Servlet时遇到的java.lang.NoClassDefFoundError错误,即使已添加commons-dbutils-1.7.jar,通过将jar包正确添加到WEB-INF/lib目录并重启Tomcat服务器,问题得以解决。

在idea中访问serlvet出现:java.lang.NoClassDefFoundError: org/apache/commons/dbutils/ResultSetHandler

在网上查了好多资料都是说缺少commons-dbutils-1.7.jar这个jar包。

可是在我的这个项目中明明加上了这个jar包,如图:

也进行了Add as Library...

结果始终不行。

最后进行了如下操作:

发现我们Add as Library...的jar包出现在了WEB-INFX下的lib文件夹中。

再次重启tomcat服务器,运行即可成功!!!

 

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>fs</groupId> <artifactId>mes</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>war</packaging> <!-- maven打war包--> <build> <plugins> <!-- 其他插件配置 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <!-- 使用最新的稳定版本 --> <configuration> <source>1.8</source> <!-- 设置源代码兼容级别为1.8 --> <target>1.8</target> <!-- 设置目标代码级别为1.8 --> </configuration> </plugin> <!-- 其他插件配置 --> </plugins> </build> <!-- 数据库连接--> <dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.19</version> </dependency> <!-- servlet--> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> </dependency> <!-- c3p0--> <dependency> <groupId>com.mchange</groupId> <artifactId>c3p0</artifactId> <version>0.9.5.5</version> </dependency> <!-- jstl--> <dependency> <groupId>javax.servlet</groupId> <artifactId>jstl</artifactId> <version>1.2</version> </dependency> <!-- QueryRunner--> <dependency> <groupId>commons-dbutils</groupId> <artifactId>commons-dbutils</artifactId> <version>1.7</version> </dependency> <!-- json--> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.8</version> </dependency> <dependency> <groupId>com.google.code.gson</groupId> <artifactId>gson</artifactId> <version>2.8.9</version> <!-- 使用最新的稳定版本 --> </dependency> <!-- excel--> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>4.1.2</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>4.1.2</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.3</version> </dependency> <!-- 导入spring的依赖包--> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>5.3.13</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>5.3.13</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>5.3.13</version> </dependency> </dependencies> </project>严重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:710) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:687) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:661) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:673) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1881) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) 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: java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Row at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Class.java:2583) at java.lang.Class.getDeclaredFields(Class.java:1916) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:329) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:783) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:300) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4840) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 10 more Caused by: java.lang.ClassNotFoundException: org.apache.poi.ss.usermodel.Row at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1420) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1228) ... 23 more 十一月 05, 2025 1:45:33 下午 org.apache.catalina.startup.HostConfig deployDescriptor 严重: 部署描述符[D:\Tomcat\apache-tomcat-8.5.91-windows-x64\apache-tomcat-8.5.91\conf\Catalina\localhost\ROOT.xml]时出错 java.lang.IllegalStateException: 启动子级时出错 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:714) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:687) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:661) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:673) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1881) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.catalina.LifecycleException: 无法启动组件[StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:710) ... 9 more Caused by: java.lang.NoClassDefFoundError: org/apache/poi/ss/usermodel/Row at java.lang.Class.getDeclaredFields0(Native Method) at java.lang.Class.privateGetDeclaredFields(Class.java:2583) at java.lang.Class.getDeclaredFields(Class.java:1916) at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110) at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:137) at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:69) at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:329) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:783) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:300) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4840) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 10 more Caused by: java.lang.ClassNotFoundException: org.apache.poi.ss.usermodel.Row at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1420) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1228) ... 23 more 十一月 05, 2025 1:45:33 下午 org.apache.catalina.startup.HostConfig deployDescriptor
最新发布
11-06
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