Reasons and solutions for redis exceptions
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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