使用Jedis线程池returnResource异常注意事项

redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: Read timed out
...
java.lang.ClassCastException: [B cannot be cast to java.lang.Long
        at redis.clients.jedis.Connection.getIntegerReply(Connection.java:208)
        at redis.clients.jedis.Jedis.sismember(Jedis.java:1307)

JedisPool pool = ...;
Jedis jedis = pool.getResource();
String value = jedis.get("foo");
System.out.println("Make SocketTimeoutException");
System.in.read(); //等待制造SocketTimeoutException
try {
    value = jedis.get("foo");
    System.out.println(value);
} catch (JedisConnectionException e) {
    e.printStackTrace();
}
System.out.println("Recover from SocketTimeoutException");
System.in.read();  //等待恢复
Thread.sleep(5000); // 继续休眠一段时间 等待网络完全恢复
boolean isMember = jedis.sismember("urls", "baidu.com");

bar
Make SocketTimeoutException
redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: Read timed out
Recover from SocketTimeoutException
    at redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:210)
    at redis.clients.util.RedisInputStream.readByte(RedisInputStream.java:47)
    at redis.clients.jedis.Protocol.process(Protocol.java:131)
    at redis.clients.jedis.Protocol.read(Protocol.java:196)
    at redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:283)
    at redis.clients.jedis.Connection.getBinaryBulkReply(Connection.java:202)
    at redis.clients.jedis.Connection.getBulkReply(Connection.java:191)
    at redis.clients.jedis.Jedis.get(Jedis.java:101)
    at com.tcl.recipevideohunter.JedisTest.main(JedisTest.java:23)
Caused by: java.net.SocketTimeoutException: Read timed out
    at java.net.SocketInputStream.socketRead0(Native Method)
    at java.net.SocketInputStream.read(SocketInputStream.java:152)
    at java.net.SocketInputStream.read(SocketInputStream.java:122)
    at java.net.SocketInputStream.read(SocketInputStream.java:108)
    at redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:204)
    ... 8 more
Exception in thread "main" java.lang.ClassCastException: [B cannot be cast to java.lang.Long
    at redis.clients.jedis.Connection.getIntegerReply(Connection.java:208)
    at redis.clients.jedis.Jedis.sismember(Jedis.java:1307)
    at com.tcl.recipevideohunter.JedisTest.main(JedisTest.java:32)

127.0.0.1:9379> get foo"bar"127.0.0.1:9379> sismember urls baidu.com(integer) 1127.0.0.1:9379> get foo
"bar"
127.0.0.1:9379> sismember urls baidu.com
(integer) 1

while(true){
        Jedis jedis = null;
    try {
        jedis = pool.getResource();
        //some redis operation here.
    } catch (Exception e) {
       logger.error(e);
    } finally {
        pool.returnResource(jedis);
    }
}

value = jedis.get("nonexist-key");
System.out.println(value);
boolean isMember = jedis.sismember("urls", "baidu.com");
System.out.println(isMember);

bar
Exception in thread "main" java.lang.NullPointerException
    at redis.clients.jedis.Jedis.sismember(Jedis.java:1307)
    at com.tcl.recipevideohunter.JedisTest.main(JedisTest.java:37)

while(true){
    Jedis jedis = null;
    boolean broken = false;
    try {
        jedis = jedisPool.getResource();
        return jedisAction.action(jedis); //模板方法
    } catch (JedisException e) {
        broken = handleJedisException(e);
        throw e;
    } finally {
        closeResource(jedis, broken);
    }
}


protected boolean handleJedisException(JedisException jedisException) {
    if (jedisException instanceof JedisConnectionException) {
        logger.error("Redis connection " + jedisPool.getAddress() + " lost.", jedisException);
    } else if (jedisException instanceof JedisDataException) {
        if ((jedisException.getMessage() != null) && (jedisException.getMessage().indexOf("READONLY") != -1)) {
            logger.error("Redis connection " + jedisPool.getAddress() + " are read-only slave.", jedisException);
        } else {
            // dataException, isBroken=false
            return false;
        }
    } else {
        logger.error("Jedis exception happen.", jedisException);
    }
    return true;
}

protected void closeResource(Jedis jedis, boolean conectionBroken) {
    try {
        if (conectionBroken) {
            jedisPool.returnBrokenResource(jedis);
        } else {
            jedisPool.returnResource(jedis);
        }
    } catch (Exception e) {
        logger.error("return back jedis failed, will fore close the jedis.", e);
        JedisUtils.destroyJedis(jedis);
    }
}

Jedis jedis = null;
try {
    jedis = jedisSentinelPool.getResource();
    return jedis.get(key);
}catch(JedisConnectionException e) {
    jedisSentinelPool.returnBrokenResource(jedis);
    logger.error("", e);
    throw e;
}catch (Exception e) {
    logger.error("", e);
    throw e;
}
finally {
    jedisSentinelPool.returnResource(jedis);
}

redis.clients.jedis.exceptions.JedisException: Could not return the resource to the pool
    at redis.clients.util.Pool.returnResourceObject(Pool.java:65)
    at redis.clients.jedis.JedisSentinelPool.returnResource(JedisSentinelPool.java:221)

jedisSentinelPool.returnBrokenResource(jedis);
jedis=null; //这时不会实际执行returnResource中的相关动作了