在使用Maven新建QuitStart类型项目时,引入了MyBatis3.2.0版本的JAR包之后,出现如下错误: Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/log4j/Priority at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.ib…

在pom 文件中添加 <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version></version> </dependency> 在resources目录下加上一个log4j的配置文件 log4j.rootLogger=DEBUG,Console log4j.appender.Console=org.apache.…

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>…

现象: java.lang.NoClassDefFoundError: org/apache/log4j/Level at org.slf4j.LoggerFactory.getSingleton(LoggerFactory.java:) at org.slf4j.LoggerFactory.bind(LoggerFactory.java:) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:) at org.…

java.lang.NoClassDefFoundError: Lorg/apache/log4j/Logger报错 错误提示: java.lang.NoClassDefFoundError: Lorg/apache/log4j/Logger报错(lib包没有导入) 第一步.检查maven的配置: 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> <artifact…

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…

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\…

总结:解析Json时,除了要导入json-lib-2.2-jdk15.jar外,还要导入: commons-beanutils.jar, commons-httpclient.jar, commons-lang.jar, ezmorph.jar, morph-1.0.1.jar 1.异常1信息: Failed to instantiate SLF4J LoggerFactory Reported exception: java.lang.NoClassDefFoundError: org/apa…

使用JUnit的时候,报错:java.lang.NoClassDefFoundError: org/apache/logging/log4j/message/Message 原因是因为项目中导入的架包有冲突: 只留下中间的log4j-1.2.17.jar,上下的两个都不要了. 然后 好了…

root cause java.lang.NoClassDefFoundError: org/apache/logging/log4j/spi/AbstractLoggerWrapper 网上资料比较少,最后查到是mybatis 3.2.7的bug,升级到3.3.0就好了 详见:https://github.com/mybatis/mybatis-3/issues/234  emacarron modified the milestone: 3.2.8, 3.3.0 on 10 Oct 2014…