java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333) at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:383) at java.net.Socket.connect(Socket.java:516) at java.net.Socket.connect(Socket.java:466) at java.net.Socket.(Socket.java:366) at java.net.Socket.(Socket.java:179) at org.apache.derby.client.net.OpenSocketAction.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) Caused: org.apache.derby.client.am.DisconnectException: java.net.ConnectException : Error connecting to server localhost on port 1527 with message Connection refused. at org.apache.derby.client.net.NetAgent.(Unknown Source) at org.apache.derby.client.net.NetConnection.newAgent_(Unknown Source) at org.apache.derby.client.am.Connection.(Unknown Source) at org.apache.derby.client.net.NetConnection.(Unknown Source) at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(Unknown Source) Caused: java.sql.SQLException: java.net.ConnectException : Error connecting to server localhost on port 1527 with message Connection refused. at org.apache.derby.client.am.SQLExceptionFactory.getSQLException(Unknown Source) at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source) at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source) at org.netbeans.modules.derby.api.DerbyDatabases.createDatabase(DerbyDatabases.java:206) Caused: org.netbeans.api.db.explorer.DatabaseException: java.net.ConnectException : Error connecting to server localhost on port 1527 with message Connection refused. at org.netbeans.modules.derby.api.DerbyDatabases.createDatabase(DerbyDatabases.java:227) at org.netbeans.modules.derby.RegisterDerby$1.run(RegisterDerby.java:162) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:539) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:964)