密封包装实际上是说我知道所有类别该软件包中的文件来自单个jar文件.出于安全原因，不其他位置可能会提供此软件包中的类".A sealed package is one that essentially says "I know that all classesin this package come from a single jar file. For security reason noother location may provide classes that are in this package".可能是您的类路径中有两个Oracle JDBC驱动程序jar.Chances are you have two Oracle JDBC driver jars in your classpath.因此，请确保您的类路径中没有多个Oracle JDBC驱动程序jar库.So make sure that you don't have multiple Oracle JDBC driver jar libraries in your classpath. 这篇关于密封违规:软件包oracle.net.ns被密封的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！
