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该问题已被官方收录

@query的用法

0

1

Spring-data-jpa

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

时间转换

0

1

时间转换(C标签)

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

public class DateTag extends TagSupport {

private Long value;

   /**
    * 重写TagSupport的doStartTag方法，转换时间的数据类型
    */
   @Override
   public int doStartTag() throws JspException {
// 设置时间格式，通过simpleDateFormat的format方法转换时间格式
       SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
//转换时间格式
       String s = dateFormat.format(System.currentTimeMillis());
       try {
//            将转化格式的时间写入value
           pageContext.getOut().write(s);
       } catch (IOException e) {
e.printStackTrace();
       }
return super.doStartTag();
   }

/**
    * set方法,设置值
    */
   public void setValue(Long value) {
this.value = value;
   }

}

该问题已被官方收录

我导入了spring的核心包，可是Spring的配置文件还是报错。

0

1

SSM

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>cn.zzh</groupId>
  <artifactId>Task2MVC1</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>Task2MVC1 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>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <spring.version>4.3.17.RELEASE</spring.version>
    <mybatis.spring.version>1.3.0</mybatis.spring.version>
    <log4j.version>1.2.16</log4j.version>
    <druid.version>1.1.6</druid.version>
    <aopalliance.version>1.0</aopalliance.version>
    <servlet-api.version>3.1.0</servlet-api.version>
    <jstl.version>1.2</jstl.version>
    <servlet-api.version>3.1.0</servlet-api.version>
    <commons-fileupload.version>1.2.1</commons-fileupload.version>
    <commons-io.version>1.3.2</commons-io.version>
    <commons-lang.version>2.6</commons-lang.version>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <dependencies>

    <!--json-taglib-->
    <dependency>
      <groupId>atg.taglib.json</groupId>
      <artifactId>json-taglib</artifactId>
      <version>0.4.1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
    <dependency>
      <groupId>org.apache.commons</groupId>
      <artifactId>commons-dbcp2</artifactId>
      <version>2.1.1</version>
    </dependency>


    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
    </dependency>

    <!--Spring核心包 -->
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-oxm -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-oxm</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-tx -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-context-support -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context-support</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-web -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjrt</artifactId>
      <version>1.8.13</version>
    </dependency>



    <!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.13</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/cglib/cglib -->
    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib</artifactId>
      <version>3.2.4</version>
    </dependency>

    <!-- 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>

    <!-- https://mvnrepository.com/artifact/org.springframework/spring-expression -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-expression</artifactId>
      <version>4.3.17.RELEASE</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.hamcrest/hamcrest-core -->
    <dependency>
      <groupId>org.hamcrest</groupId>
      <artifactId>hamcrest-core</artifactId>
      <version>1.3</version>
      <scope>test</scope>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.github.pagehelper/pagehelper -->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>5.1.2</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/com.github.jsqlparser/jsqlparser -->
    <dependency>
      <groupId>com.github.jsqlparser</groupId>
      <artifactId>jsqlparser</artifactId>
      <version>1.0</version>
    </dependency>

    <!--
    mybatis核心包
    -->
    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.4.1</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.1</version>
    </dependency>

    <!-- 其它相关依赖-->
    <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/javax/javaee-api -->
    <dependency>
      <groupId>javax</groupId>
      <artifactId>javaee-api</artifactId>
      <version>7.0</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.11</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.mchange/c3p0 -->
    <dependency>
      <groupId>com.mchange</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.5.2</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>fastjson</artifactId>
      <version>1.2.44</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/log4j/log4j -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
     <!--可能有其它包-->
     <!--https://mvnrepository.com/artifact/org.slf4j/slf4j-api-->
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>1.7.25</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 -->
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>1.7.25</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl -->
    <dependency>
      <groupId>org.codehaus.jackson</groupId>
      <artifactId>jackson-mapper-asl</artifactId>
      <version>1.9.13</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-core</artifactId>
      <version>2.9.5</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.9.5</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.3</version>
        <exclusions>
            <exclusion>
                <artifactId>commons-io</artifactId>
                <groupId>commons-io</groupId>
            </exclusion>
        </exclusions>
    </dependency>

    <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.6</version>
    </dependency>

    <!-- 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/commons-logging/commons-logging -->
    <dependency>
      <groupId>commons-logging</groupId>
      <artifactId>commons-logging</artifactId>
      <version>1.2</version>
    </dependency>

  </dependencies>

  <build>
    <resources>
      <resource>
        <directory>src/main/java</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>

      <resource>
        <directory>src/main/resources</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
        <filtering>false</filtering>
      </resource>
    </resources>

    <!--<finalName>Task2MVC1</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>

                <plugin>
                    <groupId>org.eclipse.jetty</groupId>
                    <artifactId>jetty-maven-plugin</artifactId>
                    <version>9.4.9.v20180320</version>
                </plugin>

            </plugins>
        </pluginManagement>
    </build>
</project>

该问题已被官方收录

项目打包成功后上传到服务器可以正常启动，显示启动成功

0

1

分布式

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

  <bean id="loginService" class="com.jnshu.service.impl.LoginServiceImpl"/>
    <bean id="loginRmi" class="com.jnshu.service.impl.LoginRmiImpl"/>
    <bean id="userService" class="com.jnshu.service.impl.UserServiceImpl"/>

    <bean id="LoginRMI" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="LoginRMI" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="loginRmi" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.LoginRMI" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
    <bean id="LoginService" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="LoginService" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="loginService" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.LoginService" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
    <bean id="UserService" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--设置RMI服务名，为客户端会依据此服务名来获取远程接口实现类-->
        <property name="serviceName" value="UserService" />
        <!--将远程接口实现类对象设置到RMI服务中-->
        <property name="service" ref="userService" />
        <!--将远程接口设置为RMI服务接口-->
        <property name="serviceInterface" value="com.jnshu.service.UserService" />
        <!--为RMI服务端远程对象注册表设置端口号-->
        <property name="registryPort" value="9998" />
        <!--设置通信端口号-->
        <property name="servicePort" value="9998" />
    </bean>
</beans>

<bean id="rmiClientSetting"  abstract="true">
        
        <property name="refreshEndpointsOnStartup" value="false" />
        
        <property name="refreshEndpointsOnConnectFailure" value="true" />
        
        <property name="switchEndpointOnFailure" value="true" />
        
        <property name="registerTraceInterceptor" value="true" />
        
        <property name="cacheEndpoints" value="true" />
    </bean>
    <bean id="UserService" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.UserService"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/UserService</value>
                <value>rmi://127.0.0.1:9999/UserService</value>
            </list>
        </property>

<property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
    <bean id="LoginService" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.LoginService"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/LoginService</value>
                <value>rmi://127.0.0.1:9999/LoginService</value>
            </list>
        </property>

<property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
    <bean id="LoginRMI" class="org.softamis.cluster4spring.rmi.RmiUrlListProxyFactoryBean" parent= "rmiClientSetting">
        <property name="serviceInterface" value="com.jnshu.service.LoginRMI"/>
        <property name="serviceURLs" >
            <list>
                <value>rmi://127.0.0.1:9998/LoginRMI</value>
                <value>rmi://127.0.0.1:9999/LoginRMI</value>
            </list>
        </property>
        
        <property name="endpointSelectionPolicy">
            <bean class="org.softamis.cluster4spring.support.invocation.ShuffleEndpointSelectionPolicy"/>
        </property>
    </bean>
</beans>

该问题已被官方收录

程序运行后就停止，不能保证服务一直运行

0

1

springRMI

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

public class RmiServices {
    private static final Log LOGGER = LogFactory.getLog(RmiServices.class);
    public static void main(String[] args) {
        // TODO Auto-generated method stub
//        new ClassPathXmlApplicationContext("spring/spring-rmicontext.xml");
        ApplicationContext context = new ClassPathXmlApplicationContext("classpath:spring/spring-rmicontext.xml");
        LOGGER.info("SUCCESS!");

    }

}

服务端：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns="http://www.springframework.org/schema/beans"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd"
       default-autowire="byName" default-lazy-init="true">

    <!--配置服务一-->
    <bean name="clentrmi1" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">

        <property name="serviceUrl" value="rmi://127.0.0.1:1021/serverRmiTest"/>

        <property name="serviceInterface" value="task08client.service.CategoryService"/>
    </bean>

    <!--配置服务二-->
    <bean name="clentrmi2" class="org.springframework.remoting.rmi.RmiProxyFactoryBean">

        <property name="serviceUrl" value="rmi://127.0.0.1:1022/serverRmiTest"/>

        <property name="serviceInterface" value="task08client.service.CategoryService"/>
    </bean>

</beans>

07-Sep-2018 10:38:26.504 严重 [http-nio-8080-exec-5] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [mvc-dispatcher] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'clentrmi1' defined in class path resource [spring/applicationContext-rmi-client.xml]: Invocation of init method failed; nested exception is org.springframework.remoting.RemoteLookupFailureException: Lookup of RMI stub failed; nested exception is java.rmi.ConnectException: Connection refused to host: 127.0.0.1; nested exception is: 
	java.net.ConnectException: Connection refused: connect] with root cause
 java.net.ConnectException: Connection refused: connect
	at java.net.DualStackPlainSocketImpl.connect0(Native Method)
	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
	at java.net.Socket.connect(Socket.java:589)
	at java.net.Socket.connect(Socket.java:538)
	at java.net.Socket.<init>(Socket.java:434)
	at java.net.Socket.<init>(Socket.java:211)
	at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
	at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
	at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
	at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
	at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
	at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:338)
	at sun.rmi.registry.RegistryImpl_Stub.lookup(RegistryImpl_Stub.java:112)
	at java.rmi.Naming.lookup(Naming.java:101)
	at org.springframework.remoting.rmi.RmiClientInterceptor.lookupStub(RmiClientInterceptor.java:200)
	at org.springframework.remoting.rmi.RmiClientInterceptor.prepare(RmiClientInterceptor.java:147)
	at org.springframework.remoting.rmi.RmiClientInterceptor.afterPropertiesSet(RmiClientInterceptor.java:135)
	at org.springframework.remoting.rmi.RmiProxyFactoryBean.afterPropertiesSet(RmiProxyFactoryBean.java:68)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078)
	at task08client.utils.GetRandomSerUtils.getServices(GetRandomSerUtils.java:16)
	at task08client.utils.GetRandomSerUtils.getRandomServices(GetRandomSerUtils.java:47)
	at task08client.controller.CategoryController.listCategory(CategoryController.java:38)
	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.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
	at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
	at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
	at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
	at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.lang.Thread.run(Thread.java:748)

服务端：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd"
       default-autowire="byName" default-lazy-init="true">


    <bean name="serverTest" class="org.springframework.remoting.rmi.RmiServiceExporter">
        <!--提供的服务名称-->
        <property name="serviceName" value="serverRmiTest"/>
        <!--服务实现类引用-->
        <property name="service" ref="rmiServer"/>
        <!--暴露的服务接口-->
        <property name="serviceInterface" value="task8services.service.CategoryService"/>
        <!--服务的端口-->
        <property name="registryPort" value="1021"/>
    </bean>

    <!--服务实现类对象-->
    <bean name="rmiServer" class="task8services.service.CategoryServiceImpl"/>

    <import resource="applicationContext.xml"/>

</beans>

该问题已被官方收录

memcached和redis缓存在负载均衡的情况下90%线会增加而不是减少

0

1

压测

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

tils模块添加

0

1

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

jsp页面源码
<div>
    <tiles:insertAttribute name="header"/>
    <tiles:insertAttribute name="body"/>
    <tiles:insertAttribute name="footer"/>
</div>
xml文件
<tiles-definitions>
    <definition name="basepage" template="/WEB-INF/jsp/basepage.jsp">
        <put-attribute name="header" value="/WEB-INF/jsp/header.jsp"/>
        <put-attribute name="footer" value="/WEB-INF/jsp/footer.jsp"/>
    </definition>

    <definition name="stupage1" extends="basepage">
        <put-attribute name="body" value="/WEB-INF/jsp/hppart1.jsp"/>
    </definition>
    <definition name="coupage1" extends="basepage">
        <put-attribute name="body" value="/WEB-INF/jsp/coupart1.jsp"/>
    </definition>
</tiles-definitions>

该问题已被官方收录

byte [] 转换成 object 出错

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

	Category category = new Category();
		category.setId(12);
		category.setName("88");
		Category c = (Category) SerializeUtil.unserialize((byte[]) redisUtil.get("88"));
		System.out.println(c.toString());
		// redisUtil.set("88",SerializeUtil.s

package task06.util;

/**
 * ${file_name} Create on ${date}
 * Copyright (c) ${date} by taotaosoft
 *
 * @author <a href="1070800859@qq.com">* @Author: Mr.huang </a>
 * @version 1.0
 */


import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.hash.JacksonHashMapper;
import org.springframework.util.CollectionUtils;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 *
 * 基于spring和redis的redisTemplate工具类
 * 针对所有的hash 都是以h开头的方法
 * 针对所有的Set 都是以s开头的方法                    不含通用方法
 * 针对所有的List 都是以l开头的方法
 * @author Administrator
 */
public class RedisUtil {
	private RedisTemplate<String, Object> redisTemplate;

	public void setRedisTemplate(RedisTemplate<String, Object> redisTemplate) {
		this.redisTemplate = redisTemplate;
	}
	//=============================common============================
	/**
	 * 指定缓存失效时间
	 * @param key 键
	 * @param time 时间(秒)
	 * @return
	 */
	public boolean expire(String key,long time){
		try {
			if(time>0){
				redisTemplate.expire(key, time, TimeUnit.SECONDS);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 根据key 获取过期时间
	 * @param key 键 不能为null
	 * @return 时间(秒) 返回0代表为永久有效
	 */
	public long getExpire(String key){
		return redisTemplate.getExpire(key,TimeUnit.SECONDS);
	}

	/**
	 * 判断key是否存在
	 * @param key 键
	 * @return true 存在 false不存在
	 */
	public boolean hasKey(String key){
		try {
			return redisTemplate.hasKey(key);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 删除缓存
	 * @param key 可以传一个值 或多个
	 */
	@SuppressWarnings("unchecked")
	public void del(String ... key){
		if(key!=null&&key.length>0){
			if(key.length==1){
				redisTemplate.delete(key[0]);
			}else{
				redisTemplate.delete(CollectionUtils.arrayToList(key));
			}
		}
	}

	//============================String=============================
	/**
	 * 普通缓存获取
	 * @param key 键
	 * @return 值
	 */
	public Object get(String key){
		return key==null?null:redisTemplate.opsForValue().get(key);
	}

	/**
	 * 普通缓存放入
	 * @param key 键
	 * @param value 值
	 * @return true成功 false失败
	 */
	public boolean set(String key,Object value) {
		try {
			redisTemplate.opsForValue().set(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}





	/**
	 * 普通缓存放入并设置时间
	 * @param key 键
	 * @param value 值
	 * @param time 时间(秒) time要大于0 如果time小于等于0 将设置无限期
	 * @return true成功 false 失败
	 */
	public boolean set(String key,Object value,long time){
		try {
			if(time>0){
				redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
			}else{
				set(key, value);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 递增
	 * @param key 键
	 * @param delta 要增加几(大于0)     by
	 * @return
	 */
	public long incr(String key, long delta){
		if(delta<0){
			throw new RuntimeException("递增因子必须大于0");
		}
		return redisTemplate.opsForValue().increment(key, delta);
	}

	/**
	 * 递减
	 * @param key 键
	 * @param delta 要减少几(小于0)        by
	 * @return
	 */
	public long decr(String key, long delta){
		if(delta<0){
			throw new RuntimeException("递减因子必须大于0");
		}
		return redisTemplate.opsForValue().increment(key, -delta);
	}

	//================================Map=================================
	/**
	 * HashGet
	 * @param key 键 不能为null
	 * @param item 项 不能为null
	 * @return 值
	 */
	public Object hget(String key,String item){
		return redisTemplate.opsForHash().get(key, item);
	}

	/**
	 * 获取hashKey对应的所有键值
	 * @param key 键
	 * @return 对应的多个键值
	 */
	public Map<Object,Object> hmget(String key){
		return redisTemplate.opsForHash().entries(key);
	}

	/**
	 * HashSet
	 * @param key 键
	 * @param map 对应多个键值
	 * @return true 成功 false 失败
	 */
	public boolean hmset(String key, Map<String,Object> map){
		try {
			redisTemplate.opsForHash().putAll(key, map);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * HashSet 并设置时间
	 * @param key 键
	 * @param map 对应多个键值
	 * @param time 时间(秒)
	 * @return true成功 false失败
	 */
	public boolean hmset(String key, Map<String,Object> map, long time){
		try {
			redisTemplate.opsForHash().putAll(key, map);
			if(time>0){
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 向一张hash表中放入数据,如果不存在将创建
	 * @param key 键
	 * @param item 项
	 * @param value 值
	 * @return true 成功 false失败
	 */
	public boolean hset(String key,String item,Object value) {
		try {
			redisTemplate.opsForHash().put(key, item, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 向一张hash表中放入数据,如果不存在将创建
	 * @param key 键
	 * @param item 项
	 * @param value 值
	 * @param time 时间(秒)  注意:如果已存在的hash表有时间,这里将会替换原有的时间
	 * @return true 成功 false失败
	 */
	public boolean hset(String key,String item,Object value,long time) {
		try {
			redisTemplate.opsForHash().put(key, item, value);
			if(time>0){
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 删除hash表中的值
	 * @param key 键 不能为null
	 * @param item 项 可以使多个 不能为null
	 */
	public void hdel(String key, Object... item){
		redisTemplate.opsForHash().delete(key,item);
	}

	/**
	 * 判断hash表中是否有该项的值
	 * @param key 键 不能为null
	 * @param item 项 不能为null
	 * @return true 存在 false不存在
	 */
	public boolean hHasKey(String key, String item){
		return redisTemplate.opsForHash().hasKey(key, item);
	}

	/**
	 * hash递增 如果不存在,就会创建一个 并把新增后的值返回
	 * @param key 键
	 * @param item 项
	 * @param by 要增加几(大于0)
	 * @return
	 */
	public double hincr(String key, String item,double by){
		return redisTemplate.opsForHash().increment(key, item, by);
	}

	/**
	 * hash递减
	 * @param key 键
	 * @param item 项
	 * @param by 要减少记(小于0)
	 * @return
	 */
	public double hdecr(String key, String item,double by){
		return redisTemplate.opsForHash().increment(key, item,-by);
	}

	//============================set=============================
	/**
	 * 根据key获取Set中的所有值
	 * @param key 键
	 * @return
	 */
	public Set<Object> sGet(String key){
		try {
			return redisTemplate.opsForSet().members(key);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * 根据value从一个set中查询,是否存在
	 * @param key 键
	 * @param value 值
	 * @return true 存在 false不存在
	 */
	public boolean sHasKey(String key,Object value){
		try {
			return redisTemplate.opsForSet().isMember(key, value);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 将数据放入set缓存
	 * @param key 键
	 * @param values 值 可以是多个
	 * @return 成功个数
	 */
	public long sSet(String key, Object...values) {
		try {
			return redisTemplate.opsForSet().add(key, values);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * 将set数据放入缓存
	 * @param key 键
	 * @param time 时间(秒)
	 * @param values 值 可以是多个
	 * @return 成功个数
	 */
	public long sSetAndTime(String key,long time,Object...values) {
		try {
			Long count = redisTemplate.opsForSet().add(key, values);
			if(time>0) {
				expire(key, time);
			}
			return count;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * 获取set缓存的长度
	 * @param key 键
	 * @return
	 */
	public long sGetSetSize(String key){
		try {
			return redisTemplate.opsForSet().size(key);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * 移除值为value的
	 * @param key 键
	 * @param values 值 可以是多个
	 * @return 移除的个数
	 */
	public long setRemove(String key, Object ...values) {
		try {
			Long count = redisTemplate.opsForSet().remove(key, values);
			return count;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}
	//===============================list=================================

	/**
	 * 获取list缓存的内容
	 * @param key 键
	 * @param start 开始
	 * @param end 结束  0 到 -1代表所有值
	 * @return
	 */
	public List<Object> lGet(String key, long start, long end){
		try {
			return redisTemplate.opsForList().range(key, start, end);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * 获取list缓存的长度
	 * @param key 键
	 * @return
	 */
	public long lGetListSize(String key){
		try {
			return redisTemplate.opsForList().size(key);
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}

	/**
	 * 通过索引 获取list中的值
	 * @param key 键
	 * @param index 索引  index>=0时， 0 表头，1 第二个元素，依次类推；index<0时，-1，表尾，-2倒数第二个元素，依次类推
	 * @return
	 */
	public Object lGetIndex(String key,long index){
		try {
			return redisTemplate.opsForList().index(key, index);
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	}

	/**
	 * 将list放入缓存
	 * @param key 键
	 * @param value 值
	 * @return
	 */
	public boolean lSet(String key, Object value) {
		try {
			redisTemplate.opsForList().rightPush(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 将list放入缓存
	 * @param key 键
	 * @param value 值
	 * @param time 时间(秒)
	 * @return
	 */
	public boolean lSet(String key, Object value, long time) {
		try {
			redisTemplate.opsForList().rightPush(key, value);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 将list放入缓存
	 * @param key 键
	 * @param value 值
	 * @return
	 */
	public boolean lSet(String key, List<Object> value) {
		try {
			redisTemplate.opsForList().rightPushAll(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 将list放入缓存
	 * @param key 键
	 * @param value 值
	 * @param time 时间(秒)
	 * @return
	 */
	public boolean lSet(String key, List<Object> value, long time) {
		try {
			redisTemplate.opsForList().rightPushAll(key, value);
			if (time > 0) {
				expire(key, time);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 根据索引修改list中的某条数据
	 * @param key 键
	 * @param index 索引
	 * @param value 值
	 * @return
	 */
	public boolean lUpdateIndex(String key, long index,Object value) {
		try {
			redisTemplate.opsForList().set(key, index, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 * 移除N个值为value
	 * @param key 键
	 * @param count 移除多少个
	 * @param value 值
	 * @return 移除的个数
	 */
	public long lRemove(String key,long count,Object value) {
		try {
			Long remove = redisTemplate.opsForList().remove(key, count, value);
			return remove;
		} catch (Exception e) {
			e.printStackTrace();
			return 0;
		}
	}




}

package task06.util;

import java.io.*;
import java.util.ArrayList;
import java.util.List;

/**
 * ${file_name} Create on ${date}
 * Copyright (c) ${date} by taotaosoft
 *
 * @author <a href="1070800859@qq.com">* @Author: Mr.huang </a>
 * @version 1.0
 */
public class SerializeUtil {
	//序列化对象
	public static byte[] serialize(Object object) {
		ObjectOutputStream oos = null;
		ByteArrayOutputStream baos = null;
		try {
			// 序列化
			baos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(baos);
			oos.writeObject(object);
			byte[] bytes = baos.toByteArray();
			oos.close();
			baos.close();
			return bytes;
		} catch (Exception e) {

		}
		return null;
	}
	//序列化list对象
	public static byte[] serializeList(List<?> list){
		ObjectOutputStream oos = null;
		ByteArrayOutputStream bos = null;
		try {
			bos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(bos);
			for(Object object : list){
				oos.writeObject(object);
			}
			oos.writeObject(null);
			oos.close();
			bos.close();
			return bos.toByteArray();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}
	//反序列化对象
	public static Object unserialize( byte[] bytes) {
		ByteArrayInputStream bais = null;
		try {
			// 反序列化
			bais = new ByteArrayInputStream(bytes);
			ObjectInputStream ois = new ObjectInputStream(bais);
			ois.close();
			bais.close();
			return ois.readObject();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
	//反序列化list对象
	public static List<Object> unserializeList(byte[] bytes){
		List<Object> list = new ArrayList<Object>();
		ByteArrayInputStream bais = null;
		try {
			// 反序列化
			bais = new ByteArrayInputStream(bytes);
			ObjectInputStream ois = new ObjectInputStream(bais);
			if(bytes != null) {
				bais = new ByteArrayInputStream(bytes);
				ois = new ObjectInputStream(bais);
				while (true) {
					Object object = (Object) ois.readObject();
					if (object == null) {
						break;
					} else {
						list.add(object);
					}
				}
			}
			ois.close();
			bais.close();
			return list;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return null;
	}
}

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上传图片失败

0

1

图片上传

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Controller
@RequestMapping("/api/oss")
@Scope("prototype")
public class ImageController extends BaseAPIController {
    @Autowired
    ImageService imageService;

    @RequestMapping(value = "/uploadImage")
    @ResponseBody
    public ResultObject uploadImage(InputObject inputObject, String fileBase64) {
        try {
            execute(inputObject);
            if (resultObject.getErrcode() != ApiResponseConstant.API_RESQUEST_SUCCESS) {
                return resultObject;
            }
            resultObject = imageService.upload(inputObject, fileBase64);
        } catch (Exception e) {
            LogWriter.writeErrorLog("上传图片失败，原因：", e);
            resultObject.setRetcode(ApiResponseConstant.API_RESQUEST_FAIL);
            resultObject.setErrcode(ApiResponseConstant.API_UNKNOWN);
            resultObject.setMessage(CmsConstant.MENU_FAILED);
        }
        return resultObject;
    }
}

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在搭载tiles框架的时候，分离前端页面重复内容出现错误。

0

1

tiles

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图