shiro-quickstart启动报错

说明：最近在学登录框架，记录一下学习刚shiro框架，启动快速入门样例的错误；

场景

把shiro代码download下来，打开samples（样例）包，打开快速入门，启动，报错，一气呵成；

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提示有类没找到；

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错误信息：Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/logging/log4j/Logger at org.apache.logging.slf4j.SLF4JServiceProvider.initialize(SLF4JServiceProvider.java:56) at org.slf4j.LoggerFactory.bind(LoggerFactory.java:196) at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:183) at org.slf4j.LoggerFactory.getProvider(LoggerFactory.java:486) at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:472) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:421) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:447) at Quickstart.<clinit>(Quickstart.java:38) Caused by: java.lang.ClassNotFoundException: org.apache.logging.log4j.Logger at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) ... 8 more

解决

参考下面这篇文章：

Shiro第一个程序官方快速入门程序Qucickstart详解教程

“山不向我走来，我便向山走去”，换了一种思路，新增一个Maven项目，将shiro中的文件一个个拷过来，如下：

（pom.xml，依赖相较shiro源码有改动）

<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/maven-v4_0_0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.hezy</groupId><artifactId>shiro-demo</artifactId><version>1.0-SNAPSHOT</version><name>Archetype - shiro-demo</name><url>http://maven.apache.org</url><properties><maven.compiler.source>11</maven.compiler.source><maven.compiler.target>11</maven.compiler.target><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>org.apache.shiro</groupId><artifactId>shiro-core</artifactId><version>1.6.0</version></dependency><!-- configure logging --><dependency><groupId>org.slf4j</groupId><artifactId>jcl-over-slf4j</artifactId><version>2.0.0-alpha1</version></dependency><dependency><groupId>org.slf4j</groupId><artifactId>slf4j-log4j12</artifactId><version>2.0.0-alpha1</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency></dependencies>
</project>