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jetty部署后无法启动端口，显示端口被占用

0

1

jetty/tomcat

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

  <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
                <exclusions>
                    <exclusion>
                        <groupId>org.springframework.boot</groupId>
                        <artifactId>spring-boot-starter-tomcat</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>

            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-jetty</artifactId>
                <exclusions>
                    <exclusion>
                        <groupId>org.eclipse.jetty.websocket</groupId>
                        <artifactId>*</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>

该问题已被官方收录

使用SpringAOP时无法成功使用切面类

1

1

aop

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

package jnshu.model.aopTool;

import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

/**
 * API接口性能分析
 */
@Aspect
public class TimerAspect {
    private static Logger logger = Logger.getLogger (TimerAspect.class);//引入日志配置
    /**
     * 定义切点函数
     */
    @Pointcut("execution(* jnshu.controller.*.*(..))||execution(* jnshu.service.*.*(..))")
    void timer() {
    }

    @Around("timer()")
    public Object logTimer(ProceedingJoinPoint thisJoinPoint) throws Throwable {

//        MonitorTime monitorTime=new MonitorTime();
        //获取目标类名称
        String clazzName = thisJoinPoint.getTarget().getClass().getName();
        //获取目标类方法名称
        String methodName = thisJoinPoint.getSignature().getName();

        // 计时并调用目标函数
        long start = System.currentTimeMillis();
        Object result = thisJoinPoint.proceed();
        long time = System.currentTimeMillis() - start;
//        System.out.println (result.toString ());
        logger.warn ("执行"+clazzName+"中的方法"+methodName+"消耗时间为："+time);
        return result;
    }
}

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用管理员权限打不开数据库

1

1

数据库

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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时间戳到底是用了什么进行方法的运用呢？

0

1

会话管理

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

该问题已被官方收录

使用Jmeter压测的时候报错

1

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

报错说找不到对应的sql映射，但是检查名称空间.方法标签id是正确对应的

1

1

mybatis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

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无法连接到redis缓存服务器

2

1

redis

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

该问题已被官方收录

做Redis缓存配置时，Spring找不到Redis的连接配置

2

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

26-Nov-2018 08:51:25.731 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath
26-Nov-2018 08:51:25.818 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext
26-Nov-2018 08:51:28.723 严重 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class [org.springframework.web.context.ContextLoaderListener]
 org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'poolConfig' defined in class path resource [spring-redis.xml]: Could not resolve placeholder 'redis.maxIdle' in string value "${redis.maxIdle}"; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'redis.maxIdle' in string value "${redis.maxIdle}"
	at org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:211)
	at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer.processProperties(PropertyPlaceholderConfigurer.java:222)
	at org.springframework.beans.factory.config.PropertyResourceConfigurer.postProcessBeanFactory(PropertyResourceConfigurer.java:86)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:265)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:162)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:606)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:462)
	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403)
	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306)
	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4792)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1736)
	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:483)
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:483)
	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:432)
	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:483)
	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466)
	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307)
	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1399)
	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:828)
	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:483)
	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323)
	at sun.rmi.transport.Transport$1.run(Transport.java:178)
	at sun.rmi.transport.Transport$1.run(Transport.java:175)
	at java.security.AccessController.doPrivileged(Native Method)
	at sun.rmi.transport.Transport.serviceCall(Transport.java:174)
	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:557)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:812)
	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:671)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'redis.maxIdle' in string value "${redis.maxIdle}"
	at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174)
	at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126)
	at org.springframework.beans.factory.config.PropertyPlaceholderConfigurer$PlaceholderResolvingStringValueResolver.resolveStringValue(PropertyPlaceholderConfigurer.java:258)
	at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveStringValue(BeanDefinitionVisitor.java:282)
	at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveValue(BeanDefinitionVisitor.java:204)
	at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitPropertyValues(BeanDefinitionVisitor.java:141)
	at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition(BeanDefinitionVisitor.java:82)
	at org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:208)
	... 52 more

26-Nov-2018 08:51:28.728 信息 [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Closing Spring root WebApplicationContext

<?xml version="1.0" encoding="UTF-8"?>
<beans    xmlns="http://www.springframework.org/schema/beans"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xmlns:p="http://www.springframework.org/schema/p"
          xmlns:tx="http://www.springframework.org/schema/tx"
          xmlns:context="http://www.springframework.org/schema/context"
          xsi:schemaLocation="
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/tx
      http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
      http://www.springframework.org/schema/context
      http://www.springframework.org/schema/context/spring-context-3.0.xsd">

    <context:component-scan base-package="jnshu"/>
    <context:property-placeholder location="classpath:redis.properties" ignore-unresolvable="true"/>
    <!--设置数据池-->
    <bean id="poolConfig"  class="redis.clients.jedis.JedisPoolConfig">
        <property name="maxIdle" value="${redis.maxIdle}"></property>
        <property name="minIdle" value="${redis.minIdle}"></property>
        <property name="maxTotal" value="${redis.maxTotal}"></property>
        <property name="maxWaitMillis" value="${redis.maxWaitMillis}"></property>
        <property name="testOnBorrow" value="${redis.testOnBorrow}"></property>
    </bean>
    <!--链接redis-->
    <bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
        <property name="hostName" value="${redis.host}"></property>
        <property name="port" value="${redis.port}"></property>
        <!--<property name="password" value="${redis.password}"></property>-->
        <property name="poolConfig" ref="poolConfig"></property>
    </bean>

    <!-- redis 序列化策略 ，手动指定 key 采用String序列化策略 -->
    <bean id="stringSerializer" class="org.springframework.data.redis.serializer.StringRedisSerializer"/>

    <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
        <property name="connectionFactory" ref="connectionFactory"/>
        <property name="keySerializer" ref="stringSerializer"/>
        <!-- 开启事务，可以通过transcational注解控制 -->
        <property name="enableTransactionSupport" value="true"/>
    </bean>
        <!--<property name="hashValueSerializer">
            <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
        </property>-->
    <!--</bean>-->

</beans>

该问题已被官方收录

部署web项目使用tomcat中文乱码,而使用jetty时不乱码

1

1

SSM

class="cursor-pointer"> 详细描述

该问题已被官方收录

使用SSM时，在Mapper.xml中添加了SQL语句，但运行时报错找不到该语句

1

1

SSM jetty/tomcat

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" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.jnshu.dao.UserMapper">
    <resultMap id="BaseResultMap" type="com.jnshu.model.User">
        <constructor>
            <idArg column="id" jdbcType="INTEGER" javaType="java.lang.Integer"/>
            <arg column="user_name" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="password" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="tel_num" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="email" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="user_image" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="salt" jdbcType="VARCHAR" javaType="java.lang.String"/>
            <arg column="login_time" jdbcType="BIGINT" javaType="java.lang.Long"/>
            <arg column="creat_name" jdbcType="CHAR" javaType="java.lang.String"/>
            <arg column="creat_time" jdbcType="BIGINT" javaType="java.lang.Long"/>
            <arg column="update_name" jdbcType="CHAR" javaType="java.lang.String"/>
            <arg column="update_time" jdbcType="BIGINT" javaType="java.lang.Long"/>
        </constructor>
    </resultMap>

    <sql id="Base_Column_List">
    id, user_name, tel_num, email, user_image, password, salt, login_time, creat_name, creat_time, update_name, update_time
  </sql>

    <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer">
        select
        <include refid="Base_Column_List"/>
        from user
        where id = #{id,jdbcType=INTEGER}
    </select>

    <select id="selectByName" resultType="com.jnshu.model.User" parameterType="java.lang.String">
        select
       password,salt
        from user
        where user_name = #{userName,jdbcType=VARCHAR}
    </select>

    <update id="updateByName" parameterType="com.jnshu.model.User">
update user
set
login_time = #{loginTime,jdbcType=BIGINT}
where
user_name = #{userName,jdbcType=VARCHAR}
</update>

    <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
    delete from user
    where id = #{id,jdbcType=INTEGER}
  </delete>


    <insert id="insert" parameterType="com.jnshu.model.User">
    insert into user (id, user_name, tel_num, email, user_image, password, salt,
      login_time, creat_name, creat_time, 
      update_name, update_time)
    values (#{id,jdbcType=INTEGER}, #{userName,jdbcType=VARCHAR},#{telNum,jdbcType=VARCHAR},#{eamil,jdbcType=VARCHAR},#{userImage,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR},
      #{loginTime,jdbcType=BIGINT}, #{creatName,jdbcType=CHAR}, #{creatTime,jdbcType=BIGINT}, 
      #{updateName,jdbcType=CHAR}, #{updateTime,jdbcType=BIGINT})
  </insert>
    <insert id="insertSelective" parameterType="com.jnshu.model.User">
        insert into user
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="id != null">
                id,
            </if>
            <if test="userName != null">
                user_name,
            </if>
            <if test="telNum != null">
                tel_num,
            </if>
            <if test="email != null">
                email,
            </if>
            <if test="userImage != null">
                user_image,
            </if>
            <if test="password != null">
                password,
            </if>
            <if test="salt != null">
                salt,
            </if>
            <if test="loginTime != null">
                login_time,
            </if>
            <if test="creatName != null">
                creat_name,
            </if>
            <if test="creatTime != null">
                creat_time,
            </if>
            <if test="updateName != null">
                update_name,
            </if>
            <if test="updateTime != null">
                update_time,
            </if>
        </trim>
        <trim prefix="values (" suffix=")" suffixOverrides=",">
            <if test="id != null">
                #{id,jdbcType=INTEGER},
            </if>
            <if test="userName != null">
                #{userName,jdbcType=VARCHAR},
            </if>
            <if test="telNum != null">
                #{telNum,jdbcType=VARCHAR},
            </if>
            <if test="email != null">
                #{email,jdbcType=VARCHAR},
            </if>
            <if test="userImage != null">
                #{userImage,jdbcType=VARCHAR},
            </if>
            <if test="password != null">
                #{password,jdbcType=VARCHAR},
            </if>
            <if test="salt != null">
                #{salt,jdbcType=VARCHAR},
            </if>
            <if test="loginTime != null">
                #{loginTime,jdbcType=BIGINT},
            </if>
            <if test="creatName != null">
                #{creatName,jdbcType=CHAR},
            </if>
            <if test="creatTime != null">
                #{creatTime,jdbcType=BIGINT},
            </if>
            <if test="updateName != null">
                #{updateName,jdbcType=CHAR},
            </if>
            <if test="updateTime != null">
                #{updateTime,jdbcType=BIGINT},
            </if>
        </trim>
    </insert>


    <update id="updateByPrimaryKeySelective" parameterType="com.jnshu.model.User">
        update user
        <set>
            <if test="userName != null">
                user_name = #{userName,jdbcType=VARCHAR},
            </if>
            <if test="telNum != null">
                tel_num = #{telNum,jdbcType=VARCHAR},
            </if>
            <if test="email != null">
                email = #{email,jdbcType=VARCHAR},
            </if>
            <if test="userImage != null">
                user_image = #{userImage,jdbcType=VARCHAR},
            </if>
            <if test="password != null">
                password = #{password,jdbcType=VARCHAR},
            </if>
            <if test="salt != null">
                salt = #{salt,jdbcType=VARCHAR},
            </if>
            <if test="loginTime != null">
                login_time = #{loginTime,jdbcType=BIGINT},
            </if>
            <if test="creatName != null">
                creat_name = #{creatName,jdbcType=CHAR},
            </if>
            <if test="creatTime != null">
                creat_time = #{creatTime,jdbcType=BIGINT},
            </if>
            <if test="updateName != null">
                update_name = #{updateName,jdbcType=CHAR},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime,jdbcType=BIGINT},
            </if>
        </set>
        where id = #{id,jdbcType=INTEGER}
    </update>
    <update id="updateByPrimaryKey" parameterType="com.jnshu.model.User">
    update user
    set user_name = #{userName,jdbcType=VARCHAR},
      password = #{password,jdbcType=VARCHAR},
      tel_num = #{telNum,jdbcType=VARCHAR},
      email = #{email,jdbcType=VARCHAR},
      user_image = #{userImage,jdbcType=VARCHAR},
      salt = #{salt,jdbcType=VARCHAR},
      login_time = #{loginTime,jdbcType=BIGINT},
      creat_name = #{creatName,jdbcType=CHAR},
      creat_time = #{creatTime,jdbcType=BIGINT},
      update_name = #{updateName,jdbcType=CHAR},
      update_time = #{updateTime,jdbcType=BIGINT}
    where id = #{id,jdbcType=INTEGER}
  </update>
    <select id="selectByIdAndName" resultMap="BaseResultMap" parameterType="com.jnshu.model.User">
select * from user
where  user_name = #{userName} and password = #{password}
</select>
    <select id="countAll" resultType="java.lang.Integer">
    SELECT count(*)  FROM user
  </select>

    <update id="updateImageByName" parameterType="java.lang.String">
        update user
        set
        user_image = #{userImage,jdbcType=VARCHAR}
        where user_name = #{userName,jdbcType=VARCHAR}
    </update>

</mapper>

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