springboot整合redis报错

[qq_33038541]

在家测试可以连接，来公司又测试了一下就不行废话少说看代码

public boolean set(final String key, Object value) {
boolean result = false;
try {
ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
operations.set(key, value);
result = true;
} catch (Exception e) {
e.printStackTrace();
}
return result;
}
再执行 operations.set(key, value);就报错了下面时报错信息

org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:140)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:229)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:57)
at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:128)
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:91)
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:78)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:177)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:152)
at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:85)
at org.springframework.data.redis.core.DefaultValueOperations.set(DefaultValueOperations.java:169)
at cn.springboot.mybatis.service.RedisService.set(RedisService.java:32)
at cn.springboot.mybatis.controller.TestController.saveGreeting(TestController.java:24)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.util.Pool.getResource(Pool.java:42)
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:84)
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:10)

下面是我的redis 配置类
package cn.springboot.mybatis.config;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

import redis.clients.jedis.JedisPoolConfig;

@ConfigurationProperties("application.properties")
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

@Value("${spring.redis.host}")
private String hostName;
@Value("${spring.redis.port}")
private Integer port;
@Value("${spring.redis.timeout}")
private Integer timeout;



@Bean
public RedisConnectionFactory redisConnectionFactory() {
JedisConnectionFactory cf = new JedisConnectionFactory();
cf.setHostName(hostName);
cf.setPort(port);
cf.setTimeout(timeout);
cf.setUsePool(true);
// cf.afterPropertiesSet();
cf.setPoolConfig(jedisPoolConfig());
return cf;
}

@Bean
public JedisPoolConfig jedisPoolConfig() {

JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
jedisPoolConfig.setMaxIdle(8);
jedisPoolConfig.setMaxTotal(20);
jedisPoolConfig.setMaxTotal(200);
jedisPoolConfig.setMaxIdle(50);
jedisPoolConfig.setMinIdle(8);//设置最小空闲数
jedisPoolConfig.setMaxWaitMillis(10000);
jedisPoolConfig.setTestOnBorrow(true);
jedisPoolConfig.setTestOnReturn(true);
//Idle时进行连接扫描
jedisPoolConfig.setTestWhileIdle(true);
//表示idle object evitor两次扫描之间要sleep的毫秒数
jedisPoolConfig.setTimeBetweenEvictionRunsMillis(30000);
//表示idle object evitor每次扫描的最多的对象数
jedisPoolConfig.setNumTestsPerEvictionRun(10);
//表示一个对象至少停留在idle状态的最短时间，然后才能被idle object evitor扫描并驱逐；这一项只有在timeBetweenEvictionRunsMillis大于0时才有意义
jedisPoolConfig.setMinEvictableIdleTimeMillis(60000);

return jedisPoolConfig;


}
//配置key的生成
@Bean
public KeyGenerator simpleKey(){
return new KeyGenerator() {
@Override
public Object generate(Object target, Method method, Object... params) {
StringBuilder sb = new StringBuilder();
sb.append(target.getClass().getName()+":");
for (Object obj : params) {
sb.append(obj.toString());
}
return sb.toString();
}

};
}
//配置key的生成
@Bean
public KeyGenerator objectId(){
return new KeyGenerator() {
@Override
public Object generate(Object target, Method method, Object... params){
StringBuilder sb = new StringBuilder();
sb.append(target.getClass().getName()+":");
try {
sb.append(params[0].getClass().getMethod("getId", null).invoke(params[0], null).toString());
}catch (NoSuchMethodException no){
no.printStackTrace();
}catch(IllegalAccessException il){
il.printStackTrace();
}catch(InvocationTargetException iv){
iv.printStackTrace();
}
return sb.toString();
}
};
}
//配置注解
@Bean
public CacheManager cacheManager(@SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {
RedisCacheManager manager = new RedisCacheManager(redisTemplate);
manager.setDefaultExpiration(43200);//12小时
return manager;
}
//对于复杂的属性仍然使用RedisTemplate
@Bean
public RedisTemplate<String, String> redisTemplate(
RedisConnectionFactory factory) {
StringRedisTemplate template = new StringRedisTemplate(factory);
Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper om = new ObjectMapper();
om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jackson2JsonRedisSerializer.setObjectMapper(om);
template.setValueSerializer(jackson2JsonRedisSerializer);
template.afterPropertiesSet();
return template;
}

}

[李德胜1995]

Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool无法从池中获得资源。。还有其他异常信息没？？？

[qq_38248836]

redis服务打开了吗，连接不上吗这不是

[RUA好多鱼~]

org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool 这和缓存的逻辑没关系，这异常就是说无法获取jedis连接，一般就是因为连不上redis服务的原因，你确定在家和在公司都能通过你你配置的ip和端口连到redis的服务器么

[qq_30043297]

应该是版本问题，请问当时是怎么解决的？