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  1. ,
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    Firewall might be blocking your connection, or MySQL it's not running on your server machine.

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    Check if you have started your server, or if your server is set to listen to the port you're trying to connect and is waiting to accept connections and check if the firewall isn't blocking your connection.

Solutions on the web

via javabeat.net by Unknown author, 1 year ago
Connection refused: connect
via javabeat.net by Unknown author, 1 year ago
Connection refused: connect
via Stack Overflow by user3254705
, 11 months ago
via Stack Overflow by AliceIs Dead
, 2 years ago
via Stack Overflow by Question Asker
, 1 year ago
Connection refused: connect
java.net.ConnectException: Connection refused: connect	at java.net.DualStackPlainSocketImpl.connect0(Native Method)	at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)	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 java.net.Socket.connect(Socket.java:538)	at java.net.Socket.(Socket.java:434)	at java.net.Socket.(Socket.java:211)	at non.Client.main(Client.java:8)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)