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com.mysql.jdbc.CommunicationsException: Communications link failure
due to underlying exception:
** BEGIN NESTED EXCEPTION **
java.net.ConnectException
c
STACKTRACE:
java.net.ConnectException: Connection refused: connect
at
java.net.PlainSocketImpl.socketConnect(Native Method)
at
java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at
java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at
java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at
java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at
java.net.Socket.connect(Socket.java:529)
at
java.net.Socket.connect(Socket.java:478)
at
java.net.Socket.<init>(Socket.java:375)
at
java.net.Socket.<init>(Socket.java:218)
at
com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256)
at
com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:271)
at
com.mysql.jdbc.Connection.createNewIO(Connection.java:2771)
at
com.mysql.jdbc.Connection.<init>(Connection.java:1555)
at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
at
java.sql.DriverManager.getConnection(DriverManager.java:582)
at
java.sql.DriverManager.getConnection(DriverManager.java:185)
at
com.bn.ex12k.jdbcUtil.getConnection(jdbcUtil.java:82)
at
com.bn.ex12k.Test.main(Test.java:16)
** END NESTED EXCEPTION **
Last packet sent to the server was 1 ms ago.
at
com.mysql.jdbc.Connection.createNewIO(Connection.java:2847)
at
com.mysql.jdbc.Connection.<init>(Connection.java:1555)
at
com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
at
java.sql.DriverManager.getConnection(DriverManager.java:582)
at
java.sql.DriverManager.getConnection(DriverManager.java:185)
at
com.bn.ex12k.jdbcUtil.getConnection(jdbcUtil.java:82)
at
com.bn.ex12k.Test.main(Test.java:16)
Exception in thread "main"
java.lang.NullPointerException
at
com.bn.ex12k.jdbcUtil.updateDB(jdbcUtil.java:96)
at
com.bn.ex12k.Test.main(Test.java:22)