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尊敬的老师，《java web编程经典》第24章天下淘商城运行出现Struts Problem Report怎么回事呢？
发表在JavaWeb图书答疑
2012-11-18
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Struts Problem Report
Struts has detected an unhandled exception:
Messages: A ResourcePool could not acquire a resource from its primary factory or source.
Connections could not be acquired from the underlying database!
Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Connections could not be acquired from the underlying database!; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
File: com/mchange/v2/resourcepool/BasicResourcePool.java
Line number: 1,319
Struts has detected an unhandled exception:
Messages: A ResourcePool could not acquire a resource from its primary factory or source.
Connections could not be acquired from the underlying database!
Hibernate operation: Cannot open connection; uncategorized SQLException for SQL [???]; SQL state [null]; error code [0]; Connections could not be acquired from the underlying database!; nested exception is java.sql.SQLException: Connections could not be acquired from the underlying database!
File: com/mchange/v2/resourcepool/BasicResourcePool.java
Line number: 1,319
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