java.sql.SQLException: Connections could not be acquired from the underlying database!
使用C3P0訪問數據庫的時候會出現這樣的異常，大部分情況下是因爲c3p0-config.xml裏面有錯誤。基本是因爲properties元素後面內容沒有全部小寫。基本百度一下就可以解決。 我今天這個問題就比較奇葩，因爲學習的時候使用的是eclipse，創建的是web項目。所以習慣把c3p0-config.xml文件直接放在src下面。 但是使用web項目過程中發生j
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相關文章
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