64位tomcat的c3p0

64位tomcat的c3p0,tomcat,64-bit,c3p0,jdbc-odbc,Tomcat,64 Bit,C3p0,Jdbc Odbc,我们有Sybase的c3p0连接池。它在32位服务器上的Tomcat7.0上运行良好。一旦我们在64位服务器上运行它,tomcat和jre都安装在64位下,它就会抛出: Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source. at com.mch

我们有Sybase的c3p0连接池。它在32位服务器上的Tomcat7.0上运行良好。一旦我们在64位服务器上运行它,tomcat和jre都安装在64位下,它就会抛出:

Caused by: com.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.
    at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1319)
    at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
    at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
    at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
    ... 5 more
java.sql.SQLException: Connections could not be acquired from the underlying database!
    at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
    at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:529)
    at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
我们已经建立了一个64位系统DSN。已使用指定的DSN成功创建数据源。调用数据源上的getConnection()时引发错误

有什么建议吗