The following are redis exception problems encountered at work, and the reasons and solutions for the exceptions are given at the end of the article. I hope it will be helpful to everyone.
Exception in thread "main" redis.clients.jedis.exceptions.JedisConnectionException: java.net.SocketTimeoutException: connect timed out at redis.clients.jedis.Connection.connect(Connection.java:155) at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:83) at redis.clients.jedis.Connection.sendCommand(Connection.java:94) at redis.clients.jedis.Connection.sendCommand(Connection.java:89) at redis.clients.jedis.BinaryClient.auth(BinaryClient.java:539) at redis.clients.jedis.BinaryJedis.auth(BinaryJedis.java:2000) at com.cheguanjia.test.Jdeis.main(Jdeis.java:20)
Caused by: java.net.SocketTimeoutException: connect timed out at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at redis.clients.jedis.Connection.connect(Connection.java:149) ... 6 more
The reason for the exception:
The firewall of the liunx server does not allow port 6379 to be accessed from the external network
Solution:
vim /etc/sysconfig/iptables
Related recommendations: redis database tutorial
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