IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

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tomcat远程部署后接口无法获取后端数据

0

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

后端方法
    @RequestMapping("/list2")
    public String list2(Model model){
        List<Trainee> trainees= serviceImpl.getRecentInfo();
        model.addAttribute("trainees",trainees);
        return"list2";
    }

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不加set names gbk;就会出现中文乱码

1

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

ERROR 1366 (HY000): Incorrect string value: '\xC3\xF7' for column 'name' at row 1
mysql> set names gbk;
Query OK, 0 rows affected (0.00 sec)

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代码生成怎么用?

2

1

代码生成

class="cursor-pointer"> 详细描述

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通过GitHub发送POST请求到SpringCloud，但是返回415错误

1

springcloud

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

Request URL: http://193.112.201.68:8081/actuator/bus-refresh
Request method: POST
content-type: application/x-www-form-urlencoded
Expect: 
User-Agent: GitHub-Hookshot/50bbc82
X-GitHub-Delivery: 4d3a5a56-b631-11e8-8f48-85d08d2eaf0f
X-GitHub-Event: push

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阿里云服务器上部署结合Nginx和tomcat做负载均衡，只能开启2个tomca

0

1

压测

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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复盘的时候配置nginx访问域名后的接口错误

0

1

复盘踩坑

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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使用redis完成nginx代理服务器的session共享，项目启动失败

0

1

redis

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"?>

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.zyq</groupId>
  <artifactId>task5</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>task5 Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <spring.version>4.0.0.RELEASE</spring.version>
    <jackson.version>2.4.0</jackson.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-expression</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-tx -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.2</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.2.8</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.38</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.1.10</version>
    </dependency>

      <!-- https://mvnrepository.com/artifact/jstl/jstl -->
      <dependency>
          <groupId>jstl</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
      </dependency>

    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-annotations</artifactId>
      <version>${jackson.version}</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>${jackson.version}</version>
    </dependency>
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>${jackson.version}</version>
    </dependency>
    <!--Tiles框架-->
    <dependency>
      <groupId>org.apache.tiles</groupId>
      <artifactId>tiles-extras</artifactId>
      <version>3.0.5</version>
    </dependency>
    <!--自定义标签tag-->
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>javax.servlet.jsp-api</artifactId>
      <version>2.3.1</version>
    </dependency>
    <!-- jwt -->
    <!-- https://mvnrepository.com/artifact/com.auth0/java-jwt -->
    <dependency>
      <groupId>com.auth0</groupId>
      <artifactId>java-jwt</artifactId>
      <version>2.2.0</version>
    </dependency>
    <!--request、session-->
    <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>
    <!--加密第三方jar包-->
    <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->
    <!--<dependency>-->
      <!--<groupId>commons-codec</groupId>-->
      <!--<artifactId>commons-codec</artifactId>-->
      <!--<version>1.11</version>-->
    <!--</dependency>-->

    <!-- https://mvnrepository.com/artifact/json-taglib/json-taglib -->
    <dependency>
      <groupId>json-taglib</groupId>
      <artifactId>json-taglib</artifactId>
      <version>0.4.1</version>
    </dependency>

    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-core</artifactId>
      <version>2.5</version>
    </dependency>
    <dependency>
      <groupId>org.apache.logging.log4j</groupId>
      <artifactId>log4j-api</artifactId>
      <version>2.5</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/net.sf.json-lib/json-lib -->
      <dependency>
          <groupId>net.sf.json-lib</groupId>
          <artifactId>json-lib</artifactId>
          <version>2.4</version>
          <classifier>jdk15</classifier>
      </dependency>

         <!-- jedis -->
      <dependency>
          <groupId>redis.clients</groupId>
          <artifactId>jedis</artifactId>
          <version>2.7.3</version>
      </dependency>
      <!--<!– spring-data-redis –>-->
      <!--<dependency>-->
          <!--<groupId>org.springframework.data</groupId>-->
          <!--<artifactId>spring-data-redis</artifactId>-->
          <!--<version>1.6.2.RELEASE</version>-->
      <!--</dependency>-->

      <dependency>
          <groupId>org.springframework.session</groupId>
          <artifactId>spring-session-data-redis</artifactId>
          <version>1.3.0.RELEASE</version>
          <type>pom</type>
      </dependency>
  </dependencies>

  <build>
    <finalName>task5</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.0.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.7.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.20.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

 <!-- 载入redis.properties,这里要特别注意，如果有多个properties文件，必须用逗号分开，不能写成两个 <context:property-placeholder/> -->
    <context:property-placeholder location="classpath:redis.properties" />

    <!-- redis连接池配置-->
    <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig" >
        <!--最大空闲数-->
        <property name="maxIdle" value="${redis.maxIdle}" />
        <!--连接池的最大数据库连接数  -->
        <property name="maxTotal" value="${redis.maxTotal}" />
        <!--最大建立连接等待时间-->
        <property name="maxWaitMillis" value="${redis.maxWaitMillis}" />
        <!--逐出连接的最小空闲时间 默认1800000毫秒(30分钟)-->
        <property name="minEvictableIdleTimeMillis" value="${redis.minEvictableIdleTimeMillis}" />
        <!--每次逐出检查时 逐出的最大数目 如果为负数就是 : 1/abs(n), 默认3-->
        <property name="numTestsPerEvictionRun" value="${redis.numTestsPerEvictionRun}" />
        <!--逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1-->
        <property name="timeBetweenEvictionRunsMillis" value="${redis.timeBetweenEvictionRunsMillis}" />
        <!--是否在从池中取出连接前进行检验,如果检验失败,则从池中去除连接并尝试取出另一个-->
        <property name="testOnBorrow" value="${redis.testOnBorrow}" />
        <!--在空闲时检查有效性, 默认false  -->
        <property name="testWhileIdle" value="${redis.testWhileIdle}" />
    </bean >


    <bean class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration"/>
    <!--redis连接工厂 -->
    <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" destroy-method="destroy">
        <property name="poolConfig" ref="jedisPoolConfig"></property>
        <!--IP地址 -->
        <property name="hostName" value="${redis.hostName}"></property>
        <!--端口号  -->
        <property name="port" value="${redis.port}"></property>
        <!--如果Redis设置有密码  -->
        <property name="password" value="${redis.password}" />
        <!--客户端超时时间单位是毫秒  -->
        <property name="timeout" value="${redis.timeout}"></property>
    </bean>

    <!--redis操作模版,使用该对象可以操作redis  -->
    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
        <property name="connectionFactory" ref="jedisConnectionFactory"></property>
        <property name="keySerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>
        <property name="hashKeySerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>
        <property name="valueSerializer">
            <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
        </property>
        <property name="hashValueSerializer">
            <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
        </property>
    </bean >

<!--<!DOCTYPE web-app PUBLIC-->
 <!--"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"-->
 <!--"http://java.sun.com/dtd/web-app_2_3.dtd" >-->

<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" version="2.5">
    <display-name>Archetype Created Web Application</display-name>

    <!--session共享-->
    <filter>
        <filter-name>springSessionRepositoryFilter</filter-name>
        <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>springSessionRepositoryFilter</filter-name>
        <url-pattern>/*</url-pattern>
        <dispatcher>REQUEST</dispatcher>
        <dispatcher>ERROR</dispatcher>
    </filter-mapping>

    <!-- 配置过滤器, 设置编码为UTF-8 -->
    <filter>
        <filter-name>CharacterFilter</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>
    <filter-mapping>
        <filter-name>CharacterFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <filter>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>


  <!-- spring的配置文件-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

  <!-- spring mvc核心：分发servlet -->
  <servlet>
    <servlet-name>mvc-dispatcher</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- spring mvc的配置文件 -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springMVC.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>mvc-dispatcher</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

  <!--自定义时间转换标签-->
  <jsp-config>
    <taglib>
      <taglib-uri>/tags</taglib-uri>
      <taglib-location>/WEB-INF/tags/dateTag.tld</taglib-location>
    </taglib>
  </jsp-config>

</web-app>

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springBoot整合thymeleaf后无法传递数据

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

自动注入的问题

1

spring

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

打包上传服务器后，无法运行jar包

1

class="cursor-pointer"> 详细描述

使用 maven-shade-plugin 插件将web项目  打为jar包，设置 main 函数 ；
<plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>2.4.3</version>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                        <configuration>
                            <filters>
                                <filter>
                                    <artifact>*:*</artifact>
                                    <excludes>
                                        <exclude>META-INF/*.SF</exclude>
                                        <exclude>META-INF/*.DSA</exclude>
                                        <exclude>META-INF/*.RSA</exclude>
                                    </excludes>
                                </filter>
                            </filters>
                            <transformers>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                                    <mainClass>com.jnshu.Rmi.RmiTest</mainClass>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                    <resource>META-INF/spring.handlers</resource>
                                </transformer>
                                <transformer
                                        implementation="org.apache.maven.plugins.shade.resource.AppendingTransformer">
                                    <resource>META-INF/spring.schemas</resource>
                                </transformer>
                            </transformers>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

在本地 测试 能成功 运行 ， 上传 到服务器后 无法 正常启动

class="cursor-pointer"> 错误截图