Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    Expert tip

    MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg

  2. ,

    Make sure you are using InnoDB storage engine and READ-COMMITTED transaction isolation level and increase the database server innodb_lock_wait_timeout variable to about 500.

Solutions on the web

null, message from server: "Host '103.253.39.4' is not allowed to connect to this MySQL server"
via Stack Overflow by khalil
, 1 year ago
null, message from server: "Le h?te 'khalil.home' n'est pas authoris? ? se connecter ? ce serveur MySQL"
via Stack Overflow by prolink007
, 10 months ago
null, message from server: "Host '192.168.1.102' is not allowed to connect to this MySQL server"
via wowza.com by Unknown author, 2 years ago
null, message from server: "Host 'wowza1-virtual-machine.local' is not allowed to connect to this MySQL server"
via Stack Overflow by applebrown
, 9 months ago
null, message from server: "Host 'xxx.fuchs.com' is not allowed to connect to this MySQL server"
via Stack Overflow by pier92
, 1 year ago
null, message from server: "Host '172.17.0.9' is not allowed to connect to this MySQL server"
java.sql.SQLException: null,  message from server: "Host '103.253.39.4' is not allowed to connect to this MySQL server"	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:998)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:937)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1037)	at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2239)	at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2270)	at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)	at com.mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:794)	at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:44)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)	at com.mysql.jdbc.Util.handleNewInstance(Util.java:389)	at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)	at java.sql.DriverManager.getConnection(DriverManager.java:664)	at java.sql.DriverManager.getConnection(DriverManager.java:270)	at com.garciaPlumbing.model.DatabaseManager.connect(DatabaseManager.java:38)	at com.garciaPlumbing.model.FittingDetails.getAllSuppliers(FittingDetails.java:155)	at com.garciaPlumbing.view.Layout_AddFittingType.(Layout_AddFittingType.java:52)	at com.garciaPlumbing.view.Layout_InsertFittingDetails.(Layout_InsertFittingDetails.java:37)	at com.garciaPlumbing.view.MenuItemTask.(MenuItemTask.java:23)	at com.garciaPlumbing.view.BasicLayout.(BasicLayout.java:40)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:340)	at com.sun.javafx.application.LauncherImpl.lambda$launchApplicationWithArgs$148(LauncherImpl.java:327)