25,985
社区成员
发帖
与我相关
我的任务
分享
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
<property name="maxTotal" value="1024"></property>
<property name="maxIdle" value="10"></property>
<property name="maxWaitMillis" value="3000"></property>
<property name="minEvictableIdleTimeMillis" value="300000"></property>
<property name="numTestsPerEvictionRun" value="3"></property>
<property name="timeBetweenEvictionRunsMillis" value="60000"></property>
<property name="testOnBorrow" value="true"></property>
<property name="testOnReturn" value="true"></property>
<property name="testWhileIdle" value="true"></property>
</bean>
ApplicationContext applicationContext = applicationContext = new ClassPathXmlApplicationContext("applicationContext-redis.xml");
StringRedisTemplate stringRedisTemplate = applicationContext.getBean(StringRedisTemplate.class);
RedisTemplate redisTemplate = (RedisTemplate)applicationContext.getBean("redisTemplate");
ValueOperations<String,String> redis = redisTemplate.opsForValue();
System.out.println(redis.get("test"));
for (int i=0; i<3000; i++) {
ThreadT t = new ThreadT();
t.setRedisTemplate(redisTemplate);
t.start();
}
class ThreadT extends Thread {
RedisTemplate redisTemplate;
public void run() {
while(true) {
ValueOperations<String,String> redis = redisTemplate.opsForValue();
System.out.println(redis.get("test"));
}
}
public void setRedisTemplate(RedisTemplate redisTemplate) {
this.redisTemplate = redisTemplate;
}
}
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at redis.clients.jedis.Connection.connect(Connection.java:136)
... 18 more
Exception in thread "Thread-1781" 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
2017-03-24 18:08:49,400 [Thread-2244] DEBUG [RedisConnectionUtils:204] - Closing Redis Connection
2017-03-24 18:08:49,400 [Thread-1454] DEBUG [RedisConnectionUtils:125] - Opening RedisConnection
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:162)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:251)
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:58)
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:178)
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:153)
at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:86)
2017-03-24 18:08:49,400 [Thread-2516] DEBUG [RedisConnectionUtils:204] - Closing Redis Connection
at org.springframework.data.redis.core.DefaultValueOperations.get(DefaultValueOperations.java:43)
at cn.slimsmart.redis.ThreadT.run(TestMain.java:34)
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 org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:155)
... 10 more
2017-03-24 18:08:49,400 [Thread-2272] DEBUG [RedisConnectionUtils:204] - Closing Redis Connection
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect
at redis.clients.jedis.Connection.connect(Connection.java:141)
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:75)
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1716)
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:65)
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:819)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:429)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:360)
at redis.clients.util.Pool.getResource(Pool.java:40)
... 11 more
package util;
import java.io.UnsupportedEncodingException;
import java.net.SocketTimeoutException;
import com.system.PublicParameter;
import net.sf.json.JSONObject;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.exceptions.JedisConnectionException;
public final class RedisUtil{
private static String ADDR = "XXX.XXX.X.XXX";
//Redis的端口号
private static int PORT = 6379;
//访问密码
private static String AUTH = "XXXX";
//可用连接实例的最大数目,默认值为8;
//如果赋值为-1,则表示不限制;如果pool已经分配了maxActive个jedis实例,则此时pool的状态为exhausted(耗尽)。
private static int MAX_ACTIVE = 800;
//控制一个pool最多有多少个状态为idle(空闲的)的jedis实例,默认值也是8。
private static int MAX_IDLE = 100;
//等待可用连接的最大时间,单位毫秒,默认值为-1,表示永不超时。如果超过等待时间,则直接抛出JedisConnectionException;
private static long MAX_WAIT = 50000;
private static int TIMEOUT = 50000;
//在borrow一个jedis实例时,是否提前进行validate操作;如果为true,则得到的jedis实例均是可用的;
private static boolean TEST_ON_BORROW = true;
public static JedisPool jedisPool = null;
/**
* 初始化Redis连接池
*/
static {
try {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(MAX_ACTIVE);
config.setMaxIdle(MAX_IDLE);
config.setMaxWaitMillis(MAX_WAIT);
config.setTestOnBorrow(TEST_ON_BORROW);
jedisPool = new JedisPool(config, ADDR, PORT,TIMEOUT);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 获取Jedis实例
* @return
*/
public synchronized static Jedis getJedis()
{
int timeoutCount = 0;
while (true) // 如果是网络超时则多试几次
{
try
{
Jedis jedis = jedisPool.getResource();
return jedis;
} catch (Exception e)
{
// 底层原因是SocketTimeoutException,不过redis已经捕捉且抛出JedisConnectionException,不继承于前者
if (e instanceof JedisConnectionException || e instanceof SocketTimeoutException)
{
timeoutCount++;
System.out.println("getJedis timeoutCount="+timeoutCount);
if (timeoutCount > 3)
{
break;
}
}else
{
break;
}
}
}
return null;
}
/**
* 释放jedis资源
* @param jedis
*/
public static void returnResource(final Jedis jedis) {
if (jedis != null) {
jedisPool.returnResource(jedis);
}
}
public static void mset(String key,String value){
Jedis redis = getJedis();
try {
redis.set(key, value);
} catch (Exception e) {
e.printStackTrace();
}finally{
jedisPool.returnResource(redis);
}
}
public static String mget(String co_make,String key){
Jedis redis = getJedis();
String value="";
try {
if(key.equals("")){
value=redis.get(co_make);
}else{
if(redis.get(co_make)!=null){
net.sf.json.JSONObject json1 = net.sf.json.JSONObject.fromObject(redis.get(co_make).toString());
if(json1.get(key)!=null){
value=json1.getString(key);
}
}
}
} catch (Exception e) {
e.printStackTrace();
}finally{
jedisPool.returnResource(redis);
}
return setNullToBanlk(value);
}
public static String mget(String key){
Jedis redis = getJedis();
String value="";
try {
value=redis.get(key);
} catch (Exception e) {
e.printStackTrace();
}finally{
jedisPool.returnResource(redis);
}
return setNullToBanlk(value);
}
public static void mdel(String key){
Jedis redis = getJedis();
try {
redis.del(key);
} catch (Exception e) {
e.printStackTrace();
}finally{
jedisPool.returnResource(redis);
}
}
public static String setNullToBanlk(String name) {
if (name == null) {
name = "";
}
return name != null ? name.trim() : "";
}
public RedisUtil() {
}
public static void main(String[] args) {
for (int i = 0; i < 3000; i++) {
new Thread(new Runnable() {
public void run() {
Jedis redis = getJedis();
try {
for (int i = 0; i < 1000; i++) {
redis.mset("a", "1");
System.out.println("线程1成功==="+i);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}).start();
}
}
}