java.net.BindException: Address already in use

xp默認最大連接數是10個，更改：
開始-運行-Regedit-打開HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
TcpNumConnections鍵值

在做mysql數據庫的插入時出現的下面的錯誤，最終查找到是xp的最大連接數的問題，所以在修改了如上所示的連接數后，問題得到了解決，目前沒有試過更大的數據。據說數據庫連接池的技術更好，大牛可以試試，告訴小弟一下，謝謝
** 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>