java.net.BindException: Address already in use

xp默认最大连接数是10个，更改：
开始-运行-Regedit-打开HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
TcpNumConnections键值

在做mysql数据库的插入时出现的下面的错误，最终查找到是xp的最大连接数的问题，所以在修改了如上所示的连接数后，问题得到了解决，目前没有试过更大的数据。据说数据库连接池的技术更好，大牛可以试试，告诉小弟一下，谢谢
** BEGIN NESTED EXCEPTION ** 

java.net.SocketException
MESSAGE: java.net.BindException: Address already in use: connect

STACKTRACE:

java.net.SocketException: java.net.BindException: Address already in use: connect
	at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
	at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:284)
	at com.mysql.jdbc.Connection.createNewIO(Connection.java:2555)
	at com.mysql.jdbc.Connection.<init>(Connection.java:1485)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at java.sql.DriverManager.getConnection(Unknown Source)
	at com.saic.projectlewis.harvester.DbConnector.getConnection(DbConnector.java:39)
	at com.saic.projectlewis.harvester.HarvesterToDb.checkHash(HarvesterToDb.java:307)
	at com.saic.projectlewis.harvester.HarvesterToDb.jobFileCollected(HarvesterToDb.java:246)
	at com.bat.harvester.ProcessorThread.a(Unknown Source)
	at com.bat.harvester.ProcessorThread.do(Unknown Source)
	at com.bat.harvester.ProcessorThread.run(Unknown Source)

** END NESTED EXCEPTION **

Last packet sent to the server was 0 ms ago.</Entry>