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该问题已被官方收录

无法识别properties文件

1

缓存相关

class="cursor-pointer"> 详细描述

做任务六的时候需要加载到mencached的配置文件，然后在spring-mybatis里的xml文件添加 <import resource="app-context-xmemcached.xml"/>，但是无法加载到xml相关的properties文件

<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        
        <property name="mapperLocations" value="classpath:UserMapper.xml"/>
    </bean>

class="cursor-pointer"> 错误截图

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"

该问题已被官方收录

页面被拦截器拦截后丢失css样式

2

1

interceptor

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

为什么添加或者修改页面，jsp页面没有跳转？

1

SSM

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

list.jsp里面的代码是：
<form action="${pageContext.request.contextPath}/student/add" method="get">
			</s:forEach>
			<input type="submit" value="增加">
		</form>

Controller里面的类
//添加学员跳转页
    @RequestMapping(value = "/student/add", method = RequestMethod.GET)
    public String toAddStudent() {
        return "add";
    }

该问题已被官方收录

复盘的时候设计表到底需不需要关联表

1

DB设计

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 <select id="findeByUser" parameterType="User" resultType="Permission">
       SELECT permission FROM u_user u JOIN u_user_role ur ON u.id = ur.uid JOIN u_role_permission rp ON ur.rid = rp.rid JOIN u_permission p ON rp.pid = p.id WHERE  u.name=#{name}
    </select>

该问题已被官方收录

在项目中添加了一个测试类，按照正常方法配置bean等等，但是却无法正常运行

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

 @Autowired
    private UserService userService;

    @Test
    public void TestTools() {
        int pageNo = 1;
        int SHOW_ITEMS = 10;
        List<User> list = null;
        try {
            list = userService.getPage(pageNo, SHOW_ITEMS);
        } catch (Exception e) {
            e.printStackTrace();
        }
        for (User user : list) {
            System.out.println(user.getName());
        }
    }
}

该问题已被官方收录

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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spring整合mybatis进行多表查询

0

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Service
@Component
public class UserServiceImpl implements UserService {

    @Autowired
    UserMapper userMapper;

    public User getUserById(String id) {
        return userMapper.selectByPrimaryKey(id);
    }

    public List<User> queryUserList() {
        return userMapper.queryForList();
    }
}

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.jnshu.dao.UserMapper.queryForList

at org.apache.ibatis.binding.MapperMethod$SqlCommand.<init>(MapperMethod.java:189)
	at org.apache.ibatis.binding.MapperMethod.<init>(MapperMethod.java:43)
	at org.apache.ibatis.binding.MapperProxy.cachedMapperMethod(MapperProxy.java:58)
	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:51)
	at com.sun.proxy.$Proxy15.queryForList(Unknown Source)
	at com.jnshu.service.impl.UserServiceImpl.queryUserList(UserServiceImpl.java:26)
	at GetUserTest.test2(GetUserTest.java:35)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
	at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
	at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
	at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

该问题已被官方收录

restful的风格GET不到请求

0

1

rest

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

  @RequestMapping(value = "/student/{id}",method =RequestMethod.GET)
    public String getStu(@PathVariable Long id, Model model) {
//        if (stu.getStuById(id)!=null){
        logger.info("Processing trade with id: {}  ", id);
        model.addAttribute("student", stu.getStuById(id));
        return "message";
//        else
//            return "error";

该问题已被官方收录

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