JAVA 数据库连接池高并发

[DEBUG 2013-12-19 14:16:08] com.xsoft.commons.database.DbConnectionManager:87 - Unable to get a connection from the database pool (attempt 1 out of 10).
java.sql.SQLException: We are already in the process of making 11 connections and the number of simultaneous builds has been throttled to 10
at org.logicalcobwebs.proxool.Prototyper.checkSimultaneousBuildThrottle(Prototyper.java:260)
at org.logicalcobwebs.proxool.ConnectionPool.getConnection(ConnectionPool.java:164)
at org.logicalcobwebs.proxool.ProxoolDriver.connect(ProxoolDriver.java:89)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:154)
at com.xsoft.commons.database.DefaultConnectionProvider.getConnection(DefaultConnectionProvider.java:65)
at com.xsoft.commons.database.DbConnectionManager.getConnection(DbConnectionManager.java:83) --------------------编程问答--------------------

http://blog.csdn.net/swandragon/article/details/4738499 --------------------编程问答-------------------- http://netliving.iteye.com/blog/284886

补充：Java ,  Java EE