com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

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  • com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1118) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:343) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2308) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2122) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:774) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:375) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:289) at java.sql.DriverManager.getConnection(DriverManager.java:582) at java.sql.DriverManager.getConnection(DriverManager.java:185) at org.opengts.dbtools.DBConnection.getConnection(DBConnection.java:397) at org.opengts.dbtools.DBConnection.createStatement(DBConnection.java:506) at org.opengts.dbtools.DBConnection.createStatement(DBConnection.java:494)

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