struts2 自定义异常拦截器配log4j

log4j.rootLogger = debug,stdout,F

log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target = System.out
log4j.appender.stdout.Encoding = Utf-8
log4j.appender.stdout.Threshold = debug
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%d{yyyy-MM-dd HH:mm:ss:SSS}] [%-5p] [method:%l]%n%m%n%n

log4j.appender.F = org.apache.log4j.RollingFileAppender
log4j.appender.F.File =d:/log/1111111.txt
log4j.appender.F.Append = true
log4j.appender.F.Threshold = INFO
log4j.appender.F.MaxFileSize = 1
log4j.appender.F.MaxBackupIndex = 5
log4j.appender.F.layout = org.apache.log4j.PatternLayout
log4j.appender.F.layout.ConversionPattern =[%d{yyyy-MM-dd HH\:mm\:ss\:SSS}] [%-5p] [method\:%l]%n%m%n%n

log4j.logger.exeception.ExceptionAction=DEBUG, async
log4j.additivity.exeception.ExceptionAction=false
log4j.appender.async=org.apache.log4j.RollingFileAppender
log4j.appender.async.File=d:/logs/async.log
log4j.appender.async.Append=true
log4j.appender.async.MaxFileSize=1GB
log4j.appender.async.MaxBackupIndex=5
log4j.appender.async.layout=org.apache.log4j.PatternLayout
log4j.appender.async.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} [%-5p][%c{1}] [%t] - %m%n
log4j.appender.async.encoding=gbk

        <!-- 测试自定义异常 -->
        <action name="exceptionAction_*" class="exeception.ExceptionAction" method="{1}">
            <result>/hello.jsp</result>
        </action>

    <package name="all" extends="struts-default">
        <interceptors>
            <interceptor name="error" class="interception.ErrorInterceptor"></interceptor>
            <!-- 配置拦截器栈 -->
            <interceptor-stack name="myStacks">
                <interceptor-ref name="defaultStack" />
                <interceptor-ref name="error" />
            </interceptor-stack>
        </interceptors>
        <!-- 覆盖底层的拦截器栈 对包中的所有action都有效 -->
        <default-interceptor-ref name="myStacks"></default-interceptor-ref>

        <global-results>
            <result name="error" type="dispatcher">/error.jsp</result>
        </global-results>
        <global-exception-mappings>
            <exception-mapping result="error" exception="java.lang.Exception"></exception-mapping>
        </global-exception-mappings>
    </package>

package interception;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.apache.struts2.StrutsStatics;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;
public class ErrorInterceptor implements Interceptor {

    public void init() {

    }

    public String intercept(ActionInvocation actioninvocation) {

        String result = null; // Action的返回值
        try {
            // 运行被拦截的Action,期间如果发生异常会被catch住
            result = actioninvocation.invoke();
            return result;
        } catch (Exception e) {
            /**
             * 处理异常
             */
            String errorMsg = "出现错误信息，请查看日志！";
            //通过instanceof判断到底是什么异常类型
            if (e instanceof RuntimeException) {
                //未知的运行时异常
                RuntimeException re = (RuntimeException) e;
                //re.printStackTrace();
                errorMsg = re.getMessage().trim();
                System.out.println(errorMsg);
            }
            //把自定义错误信息
            HttpServletRequest request = (HttpServletRequest) actioninvocation
                    .getInvocationContext().get(StrutsStatics.HTTP_REQUEST);
            /**
             * 发送错误消息到页面
             */
            request.setAttribute("errorMsg", errorMsg);

            /**
             * log4j记录日志
             */
            Logger log = Logger.getLogger(actioninvocation.getAction().getClass());
            log.error(errorMsg, e);
            return "error";
        }// ...end of catch
    }

    public void destroy() {

    }
}

package exeception;

import com.opensymphony.xwork2.ActionSupport;

public class ExceptionAction extends ActionSupport{

    public String testException() {

        //throw new RuntimeException("hello exception interceptor!!!");
        try {
            int i=1/0;
        } catch (Exception e) {
            System.out.println("测试 11是否执行到这句！！！！");
            throw new RuntimeException("出错了！！");
        }
        return "success";
    }

}