Question

redis.properties

#jedisPoolConfig
redis.minIdle=100
redis.maxIdle=500
redis.maxTotal=50000 
redis.maxWaitMillis=10000  
redis.testOnBorrow=true


#jedisPool
redis.host=192.168.13.169
redis.port=6379
redis.timeout=3000

redis.port2=6380

#redis-sentinel
redis.sentinel=192.168.13.169:26379
redis.master=mymaster

弹簧redis.xml

<?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"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
   http://www.springframework.org/schema/beans/spring-beans.xsd">

<!--properties配置-->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
    <property name="locations">
        <list>
            <value>classpath:redis.properties</value>
        </list>
    </property>
    <property name="ignoreUnresolvablePlaceholders" value="true"/>
</bean>

<!-- 连接池配置信息 -->
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
    <property name="maxIdle" value="${redis.maxIdle}" />
    <property name="maxTotal" value="${redis.maxTotal}" />
    <property name="maxWaitMillis" value="${redis.maxWaitMillis}" />
    <property name="testOnBorrow" value="${redis.testOnBorrow}" />
</bean>

<!--初级版：单实例-->
<bean id="jedisPool" class="redis.clients.jedis.JedisPool" scope="singleton">
    <constructor-arg name="poolConfig" ref="jedisPoolConfig" />
    <constructor-arg name="host" value="${redis.host}" />
    <constructor-arg name="port" value="${redis.port}" type="int" />
</bean>

<!--主从-->
<bean id="shardedJedisPool" class="redis.clients.jedis.ShardedJedisPool">
    <constructor-arg index="0" ref="jedisPoolConfig" />
    <constructor-arg index="1">
        <list>
            <bean class="redis.clients.jedis.JedisShardInfo">
                <constructor-arg name="host" value="${redis.host}" />
                <constructor-arg name="port" value="${redis.port}" />
                <constructor-arg name="timeout" value="${redis.timeout}" />
                <constructor-arg name="name" value="master" />
            </bean>
            <bean class="redis.clients.jedis.JedisShardInfo">
                <constructor-arg name="host" value="${redis.host}" />
                <constructor-arg name="port" value="${redis.port2}" />
                <constructor-arg name="timeout" value="${redis.timeout}" />
                <constructor-arg name="name" value="slave1" />
            </bean>
        </list>
    </constructor-arg>
</bean>

<!--sentinel模式-->
<bean id="redisSentinelConfiguration" class="org.springframework.data.redis.connection.RedisSentinelConfiguration">
    <constructor-arg name="master" value="${redis.master}" />
    <constructor-arg name="sentinelHostAndPorts">
        <set>
            <value>${redis.sentinel}</value>
        </set>
    </constructor-arg>
</bean>

<!--Jedis连接池-->
<bean id="jedisConnFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:use-pool="true">
    <property name="hostName" value="${redis.host}"/>
    <constructor-arg ref="redisSentinelConfiguration" />
    <constructor-arg ref="jedisPoolConfig" />
</bean>

<!-- redis template definition -->
<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate" p:connection-factory-ref="jedisConnFactory"/>

<bean id="stringRedisSerializer" class="org.springframework.data.redis.serializer.StringRedisSerializer"/>

代码

控制器

@Controller
public class JedisController {
......
@Autowired
private RedisService redisService;
@RequestMapping(value = "test2")
@ResponseBody
public String test2(){
    redisService.set("key2","v2");
    return redisService.get("key1");
}
......
}

服务

@Service
public class RedisService extends BinaryRedisService {
public RedisService() {}

public String set(final String key, final String value) {
    return (String)this.execute(new Function<ShardedJedis, String>() {
        public String callBack(ShardedJedis shardedJedis) {
            return shardedJedis.set(key, value);
        }
    });
}
......
}

public class BinaryRedisService {
@Autowired
protected ShardedJedisPool shardedJedisPool;

public BinaryRedisService() {
}

protected <T> T execute(Function<ShardedJedis, T> fun) {
    ShardedJedis shardedJedis = null;
    T t = null;

    try {
        shardedJedis = this.shardedJedisPool.getResource();
        t = fun.callBack(shardedJedis);
    } catch (Exception var8) {
        var8.printStackTrace();
    } finally {
        if(null != shardedJedis) {
            shardedJedis.close();
        }

        return t;
    }
}
......
}

问题

redis.clients.jedis.exceptions.JedisException：无法获得来自游泳池的资源 redis.clients.util.Pool.getResource（Pool.java:51）at redis.clients.jedis.ShardedJedisPool.getResource（ShardedJedisPool.java:36）在 org.henry.service.BinaryRedisService.execute（BinaryRedisService.java:29）在org.henry.service.RedisService.set（RedisService.java:25）at org.henry.service.RedisService $$ FastClassBySpringCGLIB $$ f57afd3.invoke（）在 org.springframework.cglib.proxy.MethodProxy.invoke（MethodProxy.java:204）在 org.springframework.aop.framework.CglibAopProxy $ CglibMethodInvocation.invokeJoinpoint（CglibAopProxy.java:721）在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed（ReflectiveMethodInvocation.java:157）在 org.springframework.transaction.interceptor.TransactionInterceptor $ 1.proceedWithInvocation（TransactionInterceptor.java:99）在 org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction（TransactionAspectSupport.java:282）在 org.springframework.transaction.interceptor.TransactionInterceptor.invoke（TransactionInterceptor.java:96）在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed（ReflectiveMethodInvocation.java:179）在 org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke（ExposeInvocationInterceptor.java:92）在 org.springframework.aop.framework.ReflectiveMethodInvocation.proceed（ReflectiveMethodInvocation.java:179）在 org.springframework.aop.framework.CglibAopProxy $ DynamicAdvisedInterceptor.intercept（CglibAopProxy.java:656）在 org.henry.service.RedisService $$ EnhancerBySpringCGLIB $$ d4e52321.set（）在 org.henry.controller.JedisController.test2（JedisController.java:51） at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）at sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）在 sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）在java.lang.reflect.Method.invoke（Method.java:497）at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke（InvocableHandlerMethod.java:205）在 org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest（InvocableHandlerMethod.java:133）在 org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle（ServletInvocableHandlerMethod.java:116）在 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod（RequestMappingHandlerAdapter.java:827）在 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal（RequestMappingHandlerAdapter.java:738）在 org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle（AbstractHandlerMethodAdapter.java:85）在 org.springframework.web.servlet.DispatcherServlet.doDispatch（DispatcherServlet.java:963）在 org.springframework.web.servlet.DispatcherServlet.doService（DispatcherServlet.java:897）在 org.springframework.web.servlet.FrameworkServlet.processRequest（FrameworkServlet.java:970）在 org.springframework.web.servlet.FrameworkServlet.doGet（FrameworkServlet.java:861）在javax.servlet.http.HttpServlet.service（HttpServlet.java:687）at org.springframework.web.servlet.FrameworkServlet.service（FrameworkServlet.java:846）在javax.servlet.http.HttpServlet.service（HttpServlet.java:790）at org.eclipse.jetty.servlet.ServletHolder.handle（ServletHolder.java:837）在 org.eclipse.jetty.servlet.ServletHandler.doHandle（ServletHandler.java:583）在 org.eclipse.jetty.server.handler.ScopedHandler.handle（ScopedHandler.java:143）在 org.eclipse.jetty.security.SecurityHandler.handle（SecurityHandler.java:548）在 org.eclipse.jetty.server.session.SessionHandler.doHandle（SessionHandler.java:226）在 org.eclipse.jetty.server.handler.ContextHandler.doHandle（ContextHandler.java:1180）在 org.eclipse.jetty.servlet.ServletHandler.doScope（ServletHandler.java:511）在 org.eclipse.jetty.server.session.SessionHandler.doScope（SessionHandler.java:185）在 org.eclipse.jetty.server.handler.ContextHandler.doScope（ContextHandler.java:1112）在 org.eclipse.jetty.server.handler.ScopedHandler.handle（ScopedHandler.java:141）在 org.eclipse.jetty.server.handler.ContextHandlerCollection.handle（ContextHandlerCollection.java:213）在 org.eclipse.jetty.server.handler.HandlerCollection.handle（HandlerCollection.java:119）在 org.eclipse.jetty.server.handler.HandlerWrapper.handle（HandlerWrapper.java:134）在org.eclipse.jetty.server.Server.handle（Server.java:524）处 org.eclipse.jetty.server.HttpChannel.handle（HttpChannel.java:319）at at org.eclipse.jetty.server.HttpConnection.onFillable（HttpConnection.java:253）在 org.eclipse.jetty.io.AbstractConnection $ ReadCallback.succeeded（AbstractConnection.java:273）在org.eclipse.jetty.io.FillInterest.fillable（FillInterest.java:95）在 org.eclipse.jetty.io.SelectChannelEndPoint $ 2.run（SelectChannelEndPoint.java:93）在 org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume（ExecuteProduceConsume.java:303）在 org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume（ExecuteProduceConsume.java:148）在 org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run（ExecuteProduceConsume.java:136）在 org.eclipse.jetty.util.thread.QueuedThreadPool.runJob（QueuedThreadPool.java:671）在 org.eclipse.jetty.util.thread.QueuedThreadPool $ 2.run（QueuedThreadPool.java:589）在java.lang.Thread.run（Thread.java:745）引起： java.util.NoSuchElementException：无法验证对象 org.apache.commons.pool2.impl.GenericObjectPool.borrowObject（GenericObjectPool.java:506）在 org.apache.commons.pool2.impl.GenericObjectPool.borrowObject（GenericObjectPool.java:363） at redis.clients.util.Pool.getResource（Pool.java:49）... 58更多

Answer 1

您需要确保a）Redis正在运行b）它能够接受来自远程主机的连接，并且c）如果您启用了密码保护，请在代码中提供密码。

要确保它可以接受来自远程主机的连接，您必须查看redis.conf文件。找到具有绑定地址的行（应该看起来像：bind 127.0.0.1），然后将其注释掉（以便它可以接受来自所有远程主机的请求-不建议用于生产环境，但可以进行测试），或者添加您希望您的Redis服务接受其连接的远程IP。

redis.clients.jedis.exceptions.JedisException：无法从池

1 个答案: