对于典型的J2EE应用程序，会对所有数据库访问使用单个连接池标识。

With typical J2EE applications, a single connection pool identity is used for all database access.

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现在，应用程序可以获得连接池。

Now the connection pool is available to the application.

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因此，应用程序采用连接池机制至关重要。

Therefore, it is very important that an application employs a connection pooling mechanism.

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因此，您必须关闭连接池才能使用应用程序角色。

Therefore you must turn off connection pooling in order to use application roles.

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因此，您必须关闭连接池才能使用应用程序角色。

Therefore you must turn off connection pooling in order to use application roles.

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