Connection to remote redis server is reset

[Arafat Al Mahmud]

Trying the basic set operation on a redis server installed in red hat linux.

        JedisPool pool = new JedisPool(new JedisPoolConfig(), HOST, PORT);

        Jedis jedis = null;
        try {
          jedis = pool.getResource();

          System.out.println(jedis.isConnected()); //prints true

          jedis.set("status", "online"); //gets exception

        } finally {
          if (jedis != null) {
            jedis.close();
          }
        }

        pool.destroy();

Getting the following exception:

Exception in thread "main" redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketException: Connection reset
    at redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:201)
    at redis.clients.util.RedisInputStream.readByte(RedisInputStream.java:40)
    at redis.clients.jedis.Protocol.process(Protocol.java:132)
    at redis.clients.jedis.Protocol.read(Protocol.java:196)
    at redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:288)
    at redis.clients.jedis.Connection.getStatusCodeReply(Connection.java:187)
    at redis.clients.jedis.Jedis.set(Jedis.java:66)
    at com.revechat.spring.redis_test.App.main(App.java:28)
Caused by: java.net.SocketException: Connection reset
    at java.net.SocketInputStream.read(Unknown Source)
    at java.net.SocketInputStream.read(Unknown Source)
    at java.net.SocketInputStream.read(Unknown Source)
    at redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:195)
    ... 7 more

[Jonathan Leibiusky]

It seems like the server is coding the connection.  Maybe a firewall? Are you able to telnet redis?

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[Greg Andrews]

How much time elapses before the connection is broken?  Is any traffic (commands and replies) passing through the connection when it's broken, or is the connection idle?

Is your Redis server process configured to keep logfiles?  What does the Redis log say about the connection at the time Jedis says the connection breaks?

  -Greg

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