不多说,直接上干货! 问题详情 运行出现log4j的问题 -classpath "C:\Program Files\Java\jdk1.8.0_66\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_66\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_66\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_66\…

myeclipse 新建web项目,报错Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Logger,查看项目中已经有引入了log4j的jar包, 但是启动还是报上面的错误,解决方法: 把jar包添加到lib下,重新启动,项目启动成功.…

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [com/gxcards/ua/datasource/DruidDBConfig.class]: Bean instantiation via factory method failed; nested except…

首先肯定是版本出现了一点兼容问题 所以我就进入项目,查看依赖树,cd到项目目录下,mvn dependency:tree 我看到我的项目原先是1.5.9和现在2.0.1的区别在于org.slf4j的依赖不全 [1.5.9.release] [2.0.1.release] 那么问题简单了,我就把原先用到的日志依赖全部手动添加1.7.25版本 <dependency> <groupId>org.springframework.boot</groupId> <artif…

本文转载自:http://www.javaweb1024.com/info/894.jspx maven管理的项目,里面已经引入了log4j的包 maven引入如下: <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.16</version> <scope>compile</scope>…

spring版本:4.3.13 ActiveMq版本:5.15 ======================================================== spring整合activeMQ,pom.xml文件缺架包,启动报错: [springDemo][INFO] [2017-12-11 14:54:57] org.springframework.web.context.ContextLoader.initWebApplicationContext(304) | Root…

Caused by: java.lang.NoSuchMethodError: org.apache.log4j.Category.log出现的异常:java.lang.reflect.InvocationTargetExceptionat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImp…

1.错误叙述性说明 警告: Could not create JarEntryRevision for [jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar]! java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils at com.opensymphony.xwork2.util.…

数据导入的时候出现: at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:) at java.lang.Class.getMethod0(Class.java:) at java.lang.Class.getMethod(Class.java:) at org.apache.hadoop.util.ProgramDriver$Pr…

1.错误叙述性说明 2014-7-10 23:12:23 org.apache.catalina.core.StandardContext filterStart 严重: Exception starting filter struts2 java.lang.NoClassDefFoundError: org/apache/commons/lang3/StringUtils at com.opensymphony.xwork2.config.providers.XmlConfigurationP…