ssm配置log4j日志报错java.lang.ClassNotFoundException: org.springframework.web.util.Log4jConfigListener spring5.0解决Log4jConfigListener过期问题博客：https://blog.csdn.net/zhiyuzhe/article/details/78850238

其他 2018-07-01 05:19:55 阅读次数: 0

错误日志：

严重: Error configuring application listener of class org.springframework.web.util.Log4jConfigListener
java.lang.ClassNotFoundException: org.springframework.web.util.Log4jConfigListener
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
	at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
	at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)
	at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)
	at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:142)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

我用的版本     spring5+log4j

网上说spring5把web.xml 里配置的log监听Log4jConfigListener废弃了

spring建议用log4j2 来替换这个类

原来的配置：

web.xml

  <!-- 加载log4j的配置文件log4j.properties -->
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>classpath:config/log4j.properties</param-value>
    </context-param>

    <!-- 设定刷新日志配置文件的时间间隔，这里设置为10s -->
    <context-param>
        <param-name>log4jRefreshInterval</param-name>
        <param-value>10000</param-value>
    </context-param>

    <!-- 加载Spring框架中的log4j监听器Log4jConfigListener -->
    <listener>
        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
    </listener>

pom.xml

		<!-- slf4j日志包 -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.7.21</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>1.7.21</version>
		</dependency>
		<!--Log4j -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.17</version>
		</dependency>

现在修改为log4j2   pom.xml

<!-- slf4j日志包 -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>1.7.21</version>
		</dependency>
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>1.7.21</version>
		</dependency>
		<!--Log4j -->
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-api</artifactId>
			<version>2.8.2</version>
		</dependency>
		<!-- log4j-core -->
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-core</artifactId>
			<version>2.8.2</version>
		</dependency>
		<!-- log4j-web -->
		<dependency>
			<groupId>org.apache.logging.log4j</groupId>
			<artifactId>log4j-web</artifactId>
			<version>2.8.2</version>
		</dependency>

web.xml

	<!-- log4j2-begin -->
	<context-param>
		<param-name>log4jConfiguration</param-name>
		<param-value>classpath:config/log4j2.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class>
	</listener>
	<filter>
		<filter-name>log4jServletFilter</filter-name>
		<filter-class>org.apache.logging.log4j.web.Log4jServletFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>log4jServletFilter</filter-name>
		<url-pattern>/*</url-pattern>
		<dispatcher>REQUEST</dispatcher>
		<dispatcher>FORWARD</dispatcher>
		<dispatcher>INCLUDE</dispatcher>
		<dispatcher>ERROR</dispatcher>
	</filter-mapping>
	<!-- log4j2-end -->

设置拦截类

package com.fast.ssm.mybatis.log4j2;
 
import java.sql.Statement;
import java.util.Properties;
 
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.plugin.Interceptor;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Plugin;
import org.apache.ibatis.plugin.Signature;
import org.apache.ibatis.session.ResultHandler;
 
/**
 * Sql执行时间记录拦截器 
 */
@Intercepts({@Signature(type = StatementHandler.class, method = "query", args = {Statement.class, ResultHandler.class}),
 @Signature(type = StatementHandler.class, method = "update", args = {Statement.class}),
 @Signature(type = StatementHandler.class, method = "batch", args = { Statement.class })})
public class SqlCostInterceptor implements Interceptor {
 
 @Override
 public Object intercept(Invocation invocation) throws Throwable {
   
  long startTime = System.currentTimeMillis();
  try {
   return invocation.proceed();
  } finally {
   long endTime = System.currentTimeMillis();
   long sqlCost = endTime - startTime;
   System.out.println("执行耗时 : [" + sqlCost + "ms ] ");
  }
 }
 
 @Override
 public Object plugin(Object target) {
  return Plugin.wrap(target, this);
 }
 
 @Override
 public void setProperties(Properties properties) {
   
 }
  
}

在spring和mybatis的配置文件中加上 拦截器 （我的文件名叫SqlMapConfig.xml） 

注意下面的<settings><settings>这个标签的顺序,把它放到<configuration><configuration>里面的最上面，否则启动的时候会报错。

<!-- 使用log4j2打印查询语句 -->
	<settings>
        <setting name="logImpl" value="LOG4J2" />
    </settings>
<plugins>
		<!-- sql语句打印拦截器 -->
		<plugin interceptor="com.fast.ssm.mybatis.log4j2.SqlCostInterceptor"/>
	</plugins>

如果出现这个报错

严重: Unable to process Jar entry [META-INF/versions/9/module-info.class] from Jar [jar:file:/D:/apache-maven-3.5.0/repository/org/apache/logging/log4j/log4j-api/2.11.0/log4j-api-2.11.0.jar!/] for annotations
org.apache.tomcat.util.bcel.classfile.ClassFormatException: Invalid byte tag in constant pool: 19
	at org.apache.tomcat.util.bcel.classfile.Constant.readConstant(Constant.java:133)
	at org.apache.tomcat.util.bcel.classfile.ConstantPool.<init>(ConstantPool.java:60)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:209)
	at org.apache.tomcat.util.bcel.classfile.ClassParser.parse(ClassParser.java:119)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2134)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsJar(ContextConfig.java:2010)
	at org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1976)
	at org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1961)
	at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1319)
	at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:878)
	at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:376)
	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
	at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5322)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
	at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

修改web.xml头文件  增加红色部分代码

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5" metadata-complete="true">

修改pom.xml  log4j jar的版本   如果你选择的最高版本比如  <version>2.11.0</version>  就会出现这个问题

这里建议使用： <version>2.8.2</version> 版本，一般就可以解决这个问题了。


spring5.0解决Log4jConfigListener过期问题博客：https://blog.csdn.net/zhiyuzhe/article/details/78850238

配置log4j2：https://www.rxblog.xyz/java-log4j2-web-xml/
                    https://blog.csdn.net/z69183787/article/details/52925567
                    https://blog.csdn.net/zjq852533445/article/details/78320012




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