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该问题已被官方收录

就是怎么实现，在任务二项目里加个AOP的类，pom里加载依赖，配置好，然后呢？

1

aop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Aspect
@Component
public class TimeInterceptor {
    private static Logger logger = LoggerFactory.getLogger(TimeInterceptor.class);
    //50ms
    private static final long TIME=50;

    //controller层的统计耗时切面，类型必须为final String类型的,注解里要使用的变量只能是静态常量类型的
    public static final String POINT = "execution (* com.ssm.controller.*.*(..))";
    /**
     * 统计方法执行耗时Around环绕通知
     */
    @Around(POINT)
    public Object timeAround(ProceedingJoinPoint joinPoint) {
//         定义返回对象、得到方法需要的参数
        Object obj = null;
        Object[] args = joinPoint.getArgs();
        long startTime = System.currentTimeMillis();
        try {
            obj = joinPoint.proceed(args);
        } catch (Throwable e) {
            logger.error("统计某方法执行耗时环绕通知出错", e);
        }

// 获取执行的方法名
        long endTime = System.currentTimeMillis();
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        String methodName = signature.getDeclaringTypeName() + "." + signature.getName();

        // 打印耗时的信息
        this.printExecTime(methodName, startTime, endTime);
        return obj;
    }

    /**
     * 打印方法执行耗时的信息
     */
    private void printExecTime(String methodName, long startTime, long endTime) {
        long diffTime = endTime - startTime;
//        if (diffTime>TIME) {
//            logger.info("-----------" + methodName + " 方法执行耗时:" + diffTime + " ms");
//        }
        logger.info("-----------" + methodName + "方法执行耗时 " + diffTime + " ms");
    }
}

该问题已被官方收录

Shell脚本运行结果出现乱码

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

#!/bin/bash
FilePATH=/usr/local/nginx/logs/
#统计a.txt里面有多少个ip访问
cat "$FilePATH"host.access.log|awk '{print $1 " " $6*1000 " " $8}' >"$FilePATH"iptime.txt
#通过shell统计每个ip访问次数
for j in `cat "$FilePATH"host.access.log |awk '{print $1}'|sort |uniq`
do 
iptj=`cat "$FilePATH"iptime.txt|grep $j|wc -l`
iptm=`cat "$FilePATH"iptime.txt |awk '/'$j'/ {sum += $2};END {print sum}'`
printf "%-30s %-20s %-20s %-30s\n" ip地址$j 累计请求$iptj次 共计$iptm毫秒 平均每次耗费$(($iptm/$iptj))毫秒
done

 #总请求次数
num=`cat "$FilePATH"iptime.txt|awk '{a+=1}END{print a}'`
echo "一共请求了"$num"次"

#使用Tomcat
num=`cat "$FilePATH"iptime.txt|grep 127.0.0.1:8080 | awk '{a+=1}END{print a}'`
echo "使用Tomcat的有"$num"次"

#使用Jetty
num=`cat "$FilePATH"iptime.txt|grep 127.0.0.1:8081 | awk '{a+=1}END{print a}'`
echo "使用Jetty的有"$num"次"

#使用Resin
num=`cat "$FilePATH"iptime.txt|grep 127.0.0.1:8082 | awk '{a+=1}END{print a}'`
echo "使用Resin的有"$num"次"

#数据库总请求
num=`cat "$FilePATH"AOP.log|grep 数据库操作总耗时： |awk '{a+=1}END{print a }'`
echo "数据库共请求"$num"次"

#请求时间小于10ms
num=`cat "$FilePATH"AOP.log|grep 数据库操作总耗时： |awk '$7<10{a+=1}END{print a }'`
echo "请求时间小于10ms的有"$num"次"

#请求时间大于10ms小于20ms
num=`cat "$FilePATH"AOP.log|grep 数据库操作总耗时： |awk '$7>=10&&$7<20{a+=1}END{print a}'`
echo "请求时间大于10ms小于20ms的有"$num"次"

#请求时间大于20ms小于30ms
num=`cat "$FilePATH"AOP.log|grep 数据库操作总耗时： |awk '$7>=20&&$7<30{a+=1}END{print a}'`
echo "请求时间大于20ms小于30ms的有"$num"次"

#请求时间大于30ms
num=`cat "$FilePATH"AOP.log|grep 数据库操作总耗时： | awk '$7>=30{a+=1}END{print a}'`
echo "请求时间大于30ms的有"$num"次"

#缓存访问
num=`cat /usr/local/jetty/F:/logs/log1.log|grep 缓存姓名 | awk '{a+=1}END{print a}'`
echo "通过缓存访问"$num"次"

该问题已被官方收录

nginx启动成功无法访问端口

0

1

Nginx

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

Resin部署项目不成功

1

resin

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8"?>
<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/java2ee/web-app_3_0.xsd"
		id="WEB-app" version="3.0">
	<display-name>Archetype Created Web Application</display-name>
	<!--拦截过滤器,修改所有请求中内容的编码-->
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter>
		<filter-name>CharacterEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>utf-8</param-value>
		</init-param>
	</filter>

	<!--拦截将post类型的表单中name为"_method"的隐藏属性替换成PUT/DELETE请求-->
	<filter-mapping>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>


	<servlet-mapping>
		<servlet-name>JSPServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<servlet>
		<servlet-name>JSPServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:crud-servlet.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<!--设置首页-->
	<!--<welcome-file-list>-->
	<!--<welcome-file>home.jsp</welcome-file>-->
	<!--</welcome-file-list>-->
	<!--DispatcherServlet是所有访问请求的拦截器，作用是对拦截下来的请求做操作来增强功能-->
</web-app>

该问题已被官方收录

springAOP的切面事务处理，service层没能触发

1

aop

class="cursor-pointer"> 详细描述

该问题已被官方收录

nginx 反向代理生效；而自定义日志格式一直不生效；

2

1

Nginx

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

# 设定日志格式 Nginx 1.1.2 之后log_format 必须写在 server外面, main为这个格式的名称
   log_format main
   # 客户端地址
   '$remote_addr '
   # 服务器时间
   '$time_local '
   # 请求内容，包括方法名，地址，和http协议
   '$request '
   # 用户请求时使用的http地址
# '' 中的代表一个值, 值与值之间在日志中不会有空格, 所以需要加个空格, 可以写在一个''中, 同一行
   # 客户端地址
   '$remote_addr '
   # 服务器时间
   '$time_local '
   # 请求内容，包括方法名，地址，和http协议
   '$request '
   # 用户请求时使用的http地址
   '$http_host '
   # 返回的 http 状态码
   '$status '
   # 请求大小
   '$request_length '
   # 返回的大小
   '$body_bytes_sent '
   # 来源页
   '$http_referer '
   # 用户代理
   '$http_user_agent '
   # 整体请求延时
   '$request_time ';

 access_log  logs/access.log  main;


 #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

该问题已被官方收录

nginx负载均衡链博客园和哔哩哔哩百度，成功后一直停在博客园，哔哩哔哩404

2

1

Nginx

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

tomcat发布的项目，url访问路由控制器时不会触发控制器中连接点

0

1

aop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

spring中针对controller类进行切面

0

1

aop

class="cursor-pointer"> 详细描述

该问题已被官方收录

多个tomcat异常

0

1

Nginx

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

<?xml version="1.0" encoding="UTF-8"?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
-->
<!-- Note:  A "Server" is not itself a "Container", so you may not
     define subcomponents such as "Valves" at this level.
     Documentation at /docs/config/server.html
 -->
<Server port="8005" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  <!-- Security listener. Documentation at /docs/config/listeners.html
  <Listener className="org.apache.catalina.security.SecurityListener" />
  -->
  <!--APR library loader. Documentation at /docs/apr.html -->
  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  <!-- Prevent memory leaks due to use of particular java/javax APIs-->
  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />

  <!-- Global JNDI resources
       Documentation at /docs/jndi-resources-howto.html
  -->
  <GlobalNamingResources>
    <!-- Editable user database that can also be used by
         UserDatabaseRealm to authenticate users
    -->
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
              description="User database that can be updated and saved"
              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
              pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>

  <!-- A "Service" is a collection of one or more "Connectors" that share
       a single "Container" Note:  A "Service" is not itself a "Container",
       so you may not define subcomponents such as "Valves" at this level.
       Documentation at /docs/config/service.html
   -->
  <Service name="Catalina">

    <!--The connectors can use a shared executor, you can define one or more named thread pools-->
    <!--
    <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
        maxThreads="150" minSpareThreads="4"/>
    -->


    <!-- A "Connector" represents an endpoint by which requests are received
         and responses are returned. Documentation at :
         Java HTTP Connector: /docs/config/http.html
         Java AJP  Connector: /docs/config/ajp.html
         APR (HTTP/AJP) Connector: /docs/apr.html
         Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
    -->
    <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
    <!-- A "Connector" using the shared thread pool-->
    <!--
    <Connector executor="tomcatThreadPool"
               port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" />
    -->
    <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443
         This connector uses the NIO implementation. The default
         SSLImplementation will depend on the presence of the APR/native
         library and the useOpenSSL attribute of the
         AprLifecycleListener.
         Either JSSE or OpenSSL style configuration may be used regardless of
         the SSLImplementation selected. JSSE style configuration is used below.
    -->
    <!--
    <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
               maxThreads="150" SSLEnabled="true">
        <SSLHostConfig>
            <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
                         type="RSA" />
        </SSLHostConfig>
    </Connector>
    -->
    <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
         This connector uses the APR/native implementation which always uses
         OpenSSL for TLS.
         Either JSSE or OpenSSL style configuration may be used. OpenSSL style
         configuration is used below.
    -->
    <!--
    <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
               maxThreads="150" SSLEnabled="true" >
        <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
        <SSLHostConfig>
            <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
                         certificateFile="conf/localhost-rsa-cert.pem"
                         certificateChainFile="conf/localhost-rsa-chain.pem"
                         type="RSA" />
        </SSLHostConfig>
    </Connector>
    -->

    <!-- Define an AJP 1.3 Connector on port 8009 -->
    <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />


    <!-- An Engine represents the entry point (within Catalina) that processes
         every request.  The Engine implementation for Tomcat stand alone
         analyzes the HTTP headers included with the request, and passes them
         on to the appropriate Host (virtual host).
         Documentation at /docs/config/engine.html -->

    <!-- You should set jvmRoute to support load-balancing via AJP ie :
    <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
    -->
    <Engine name="Catalina" defaultHost="localhost">

      <!--For clustering, please take a look at documentation at:
          /docs/cluster-howto.html  (simple how to)
          /docs/config/cluster.html (reference documentation) -->
      <!--
      <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
      -->

      <!-- Use the LockOutRealm to prevent attempts to guess user passwords
           via a brute-force attack -->
      <Realm className="org.apache.catalina.realm.LockOutRealm">
        <!-- This Realm uses the UserDatabase configured in the global JNDI
             resources under the key "UserDatabase".  Any edits
             that are performed against this UserDatabase are immediately
             available for use by the Realm.  -->
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>

      <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true">

        <!-- SingleSignOn valve, share authentication between web applications
             Documentation at: /docs/config/valve.html -->
        <!--
        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
        -->
<Context path="" docBase="/java/webapp/test" debug="0" privileged="true"></Context>

        <!-- Access log processes all example.
             Documentation at: /docs/config/valve.html
             Note: The pattern used is equivalent to using pattern="common" -->
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log" suffix=".txt"
               pattern="%h %l %u %t "%r" %s %b" />

      </Host>
    </Engine>
  </Service>
</Server>

2018/11/17 07:15:17 [error] 24325#0: *249 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8080/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:18:22 [error] 24325#0: *282 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8081/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:56 [error] 24325#0: *300 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8081/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:56 [error] 24325#0: *300 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8080/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:57 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:57 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:58 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:59 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:19:59 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:20:00 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:20:01 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:20:01 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:20:02 [error] 24325#0: *300 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:27:38 [notice] 12226#0: signal process started
2018/11/17 07:29:25 [notice] 14710#0: signal process started
2018/11/17 07:30:38 [error] 14711#0: *409 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET /views/imges/789678978.png HTTP/1.1", upstream: "http://193.112.131.157:8080/views/imges/789678978.png", host: "193.112.131.157", referrer: "http://193.112.131.157/views/Untitled-3.css"
2018/11/17 07:31:08 [error] 14711#0: *409 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8081/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:31:08 [error] 14711#0: *409 connect() failed (111: Connection refused) while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://193.112.131.157:8080/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:31:09 [error] 14711#0: *409 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"
2018/11/17 07:31:09 [error] 14711#0: *409 no live upstreams while connecting to upstream, client: 183.13.190.48, server: localhost, request: "GET / HTTP/1.1", upstream: "http://hello/", host: "193.112.131.157", referrer: "http://193.112.131.157/position"