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详解Redis开启远程登录连接

502studio 人气:0
本篇文章主要介绍了Redis开启远程登录连接,小编觉得挺不错的,现在分享给大家,也给大家做个参考。一起跟随小编过来看看吧

今天使用jedis客户端api连接远程连接redis的时候,一直报错,如下:

redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused: connect
  at redis.clients.jedis.Connection.connect(Connection.java:164)
  at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:80)
  at redis.clients.jedis.Connection.sendCommand(Connection.java:100)
  at redis.clients.jedis.Connection.sendCommand(Connection.java:91)
  at redis.clients.jedis.BinaryClient.auth(BinaryClient.java:551)
  at redis.clients.jedis.BinaryJedis.auth(BinaryJedis.java:2047)
  at sy.test.TestJedis.setUp(TestJedis.java:18)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
  at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
  at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
  at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
  at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
  at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
  at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
  at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
  at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.net.ConnectException: Connection refused: connect
  at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)
  at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)
  at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
  at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
  at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
  at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
  at java.net.Socket.connect(Socket.java:579)
  at redis.clients.jedis.Connection.connect(Connection.java:158)
  ... 30 more 

原来是redis默认只能localhost登录,所以需要开启远程登录。解决方法如下:

在redis的配置文件redis.conf中,找到bind localhost注释掉。

注释掉本机,局域网内的所有计算机都能访问。

band localhost   只能本机访问,局域网内计算机不能访问。

bind  局域网IP    只能局域网内IP的机器访问, 本地localhost都无法访问。

验证方法:

  [root@mch ~]# ps -ef | grep redis
  root   2175   1 0 08:15 ?    00:00:05 /usr/local/bin/redis-server *:6379 

/usr/local/bin/redis-server *:6379 中通过"*"就可以看出此时是允许所有的ip连接登录到这台redis服务上。

注意事项:

今天再设置远程访问的时候,在启动Redis的时候报错:Creating Server TCP listening socket *:6379: unable to bind socket(Redis一定不能设置成后台运行,否则终端不会有任何错误显示)。

上网搜索说各种原因的都有,有的说是Redis版本的bug(我用的版本是3.2.0),我是参考以下几篇文章解决了这个问题:

https://github.com/antirez/redis/issues/3241

http://stackoverflow.com/questions/8537254/redis-connect-to-remote-server

我没有注释掉bind 127.0.0.1,而是将bind 127.0.0.1 改成了bind 0.0.0.0。

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