derby数据库 1527端口连接有关问题

derby数据库 1527端口连接问题
java.sql.SQLException: java.net.ConnectException：连接到端口 1527 上的服务器 localhost 时出错，消息为 Connection refused: connect。
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 java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:193)
at com.cgtech.mydb.DerbyDBEnginery.main(DerbyDBEnginery.java:45)
Caused by: org.apache.derby.client.am.DisconnectException: java.net.ConnectException：连接到端口 1527 上的服务器 localhost 时出错，消息为 Connection refused: connect。
at org.apache.derby.client.net.NetAgent.<init>(Unknown Source)
at org.apache.derby.client.net.NetConnection.newAgent_(Unknown Source)
at org.apache.derby.client.am.Connection.<init>(Unknown Source)
at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
at org.apache.derby.client.net.ClientJDBCObjectFactoryImpl.newNetConnection(Unknown Source)
... 4 more
Caused by: java.net.ConnectException: Connection refused: connect
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:364)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at java.net.Socket.<init>(Socket.java:365)
at java.net.Socket.<init>(Socket.java:178)
at javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:196)
at org.apache.derby.client.net.OpenSocketAction.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 9 more

请高手指点！！

------解决方案--------------------
我刚才myeclipse里面连了下，我的没问题，是不是你的端口被禁了还是怎么的？
------解决方案--------------------
下个端口软件看看~~可能是被占了
是在Eclipse里直接连接的时候出问题了还是嵌套进网页里时候运行出的问题？