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  • 关于 spring redis 集群的两个错误

    1.  Jedis does not support password protected Redis Cluster configurations!

    spring-data-redis 1.8版本以下是不支持jedis 集群

    2.  spring-data-redis 换成1.8 以后报错org.springframework.core.serializer.support.DeserializingConverter.<init>(Ljava/lang/ClassLoader;)V

    这是spring-core 版本太低造成的,换成4.3以上既可以,我用的是4.3.6 

    本人spring 操作redis 集群的配置,做记录

    <properties>           
      <org.springframework.version>4.3.6.RELEASE</org.springframework.version>
    </properties>
    <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-expression</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context-support</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-oxm</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc-portlet</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${org.springframework.version}</version>
                <scope>test</scope>
            </dependency>
            <dependency><!-- JUnit单元测试框架 -->
                <groupId>junit</groupId>
                <artifactId>junit</artifactId>
                <version>4.12</version>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-orm</artifactId>
                <version>${org.springframework.version}</version>
            </dependency>
    
    
    <dependency>
                <groupId>org.springframework.data</groupId>
                <artifactId>spring-data-redis</artifactId>
                <version>1.8.0.RELEASE</version>
                <exclusions>
                    <exclusion>
                        <artifactId>jcl-over-slf4j</artifactId>
                        <groupId>org.slf4j</groupId>
                    </exclusion>
                </exclusions>
            </dependency>
            <dependency>
                <groupId>redis.clients</groupId>
                <artifactId>jedis</artifactId>
                <version>2.9.0</version>
            </dependency>

    redis 配置 

    <?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">
    
        <description>redis数据源</description>
        <!-- redis数据源 -->
        <bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
            <!-- 最大空闲数 -->
            <property name="maxIdle" value="${redis.maxIdle}" />
            <!-- 最大空连接数 -->
            <property name="maxTotal" value="${redis.maxTotal}" />
            <!-- 最大等待时间 -->
            <property name="maxWaitMillis" value="${redis.maxWaitMillis}" />
            <!-- 连接超时时是否阻塞,false时报异常,ture阻塞直到超时, 默认true -->
             <property name="blockWhenExhausted" value="${redis.blockWhenExhausted}" /> 
            <!-- 返回连接时,检测连接是否成功 -->
            <property name="testOnBorrow" value="${redis.testOnBorrow}" />
        </bean>
        <bean id="resourcePropertySource" class="org.springframework.core.io.support.ResourcePropertySource">
            <constructor-arg name="name" value="redis.properties"/>
            <constructor-arg name="resource" value="classpath:redis.properties"/>
        </bean>
        <bean id="redisClusterConfig" class="org.springframework.data.redis.connection.RedisClusterConfiguration">
            <constructor-arg name="propertySource" ref="resourcePropertySource"/>
        </bean>
    
        <!-- Spring-redis连接池管理工厂 -->
        <bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
            <constructor-arg name="clusterConfig" ref="redisClusterConfig"/>
            <!-- IP地址 -->
            <property name="hostName" value="${redis.host}" />
            <!-- 端口号 -->
            <property name="port" value="${redis.port}" />
            <property name="password" value="${redis.password}" />
            <!-- 超时时间 默认2000-->
            <property name="timeout" value="${redis.timeout}" />
            <!-- 连接池配置引用 -->
            <property name="poolConfig" ref="poolConfig" />
            <!-- usePool:是否使用连接池 -->
            <property name="usePool" value="true"/>
        </bean>
        
        <!-- redis template definition -->
        <bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate">
            <property name="connectionFactory" ref="jedisConnectionFactory" />
            <property name="keySerializer">
                <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
            </property>
            <property name="valueSerializer">
                <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
            </property>
            <property name="hashKeySerializer">
                <bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
            </property>
            <property name="hashValueSerializer">
                <bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
            </property>
             <!-- 开启事务  -->
            <!-- <property name="enableTransactionSupport" value="true"/> -->
        </bean>
        
        <!--自定义redis工具类,在需要缓存的地方注入此类  -->
        <bean id="redisService" class="com.shdy.utils.RedisService">
            <property name="redisTemplate" ref="redisTemplate" />
        </bean>
    
    </beans>

    redis.properties

    #redis配置
    redis.host=
    redis.port=
    redis.password=
    redis.maxIdle=400
    redis.maxTotal=6000
    redis.maxWaitMillis=1000
    redis.blockWhenExhausted=true
    redis.testOnBorrow=true
    redis.timeout=100000
    defaultCacheExpireTime=60
    spring.redis.cluster.nodes=ip:port,ip:port
    spring.redis.cluster.max-redirects=2
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.data.redis.core.RedisTemplate;
    import org.springframework.util.CollectionUtils;
    
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
    import java.util.concurrent.TimeUnit;
    
    public class RedisService {
    
        private static final Logger logger = LoggerFactory.getLogger(RedisService.class);
    
        private RedisTemplate redisTemplate;
    
        /**
         * 指定缓存失效时间*/
        private boolean expire(String key, long time) {
            try {
                if (time > 0) {
                    redisTemplate.expire(key, time, TimeUnit.SECONDS);
                }
                return true;
            } catch (Exception e) {
                logger.error("redis err:",e);
                return false;
            }
        }/**
         * 判断key是否存在*/
        public boolean hasKey(String key) {
            try {
                return redisTemplate.hasKey(key);
            } catch (Exception e) {
                logger.error("redis err:",e);
                return false;
            }
        }
    
        /**
         * 删除缓存*/
        @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));
                }
            }
        }
    
        /**
         * 普通缓存获取*/
        public Object get(String key) {
            return key == null ? null : redisTemplate.opsForValue().get(key);
        }
    
        @SuppressWarnings("unchecked")
        public <T> T get(String key, Class<T> cls) {
            return key == null ? null : (T) redisTemplate.opsForValue().get(key);
        }
    
        /**
         * 普通缓存放入*/
        public boolean set(String key, Object value) {
            try {
                redisTemplate.opsForValue().set(key, value);
                return true;
            } catch (Exception e) {
                logger.error("redis err:",e);
                return false;
            }
        }
    
    
        /**
         * 普通缓存放入并设置时间*/
        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) {
                logger.error("redis err:",e);
                return false;
            }
        }
    /**
         * 获取某个key的锁
         */
        public boolean lock(String key){
            boolean lock = redisTemplate.opsForValue().setIfAbsent(key,key);
            if(lock){
                redisTemplate.expire(key,60,TimeUnit.SECONDS);
            }
            return lock;
        }
    
        /**
         * 删除锁
         */
        public void unLock(String key){
             redisTemplate.delete(key);
        }
    
    
        public RedisTemplate getRedisTemplate() {
            return redisTemplate;
        }
    
        public void setRedisTemplate(RedisTemplate redisTemplate) {
            this.redisTemplate = redisTemplate;
        }
    
    }
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  • 原文地址:https://www.cnblogs.com/zhangchenglzhao/p/11301780.html
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