Spring+hibernate数据源，多用户并发...
20个用户并发没有问题，50个的话服务器就会出现下面的报错信息：<2010-9-7 上午11时13分17秒 CST> <Error> <HTTP> <BEA-101020> <
nternal.WebAppServletContext@1f61bcf - appName: 'webroot', name: 'webroot', cont
ext-path: '/ses'] Servlet failed with Exception
org.springframework.transaction.CannotCreateTransactionException: Could not open
Hibernate Session for transaction; nested exception is org.hibernate.exception.
GenericJDBCException: Cannot open connection
at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegi
n(HibernateTransactionManager.java:538)
at org.springframework.transaction.support.AbstractPlatformTransactionMa
nager.getTransaction(AbstractPlatformTransactionManager.java:350)
at org.springframework.transaction.interceptor.TransactionAspectSupport.
createTransactionIfNecessary(TransactionAspectSupport.java:262)
at org.springframework.transaction.interceptor.TransactionInterceptor.in
voke(TransactionInterceptor.java:102)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
ReflectiveMethodInvocation.java:166)
Truncated. see log file for complete stacktrace
org.hibernate.exception.GenericJDBCException: Cannot open connection
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException
(SQLStateConverter.java:91)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.j
ava:79)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelp
er.java:43)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelp
er.java:29)
at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager
.java:363)
Truncated. see log file for complete stacktrace
java.sql.SQLException: We are already in the process of making 11 connections an
d 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(ConnectionPoo
l.java:170)
at org.logicalcobwebs.proxool.ProxoolDataSource.getConnection(ProxoolDat
aSource.java:97)
at org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource.
getConnection(AbstractRoutingDataSource.java:133)
at com.dongyun.ses.web.DynamicDataSource.getConnection(DynamicDataSource
.java:57)
Truncated. see log file for complete stacktrace>
希望大虾指点指点！
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