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如何防止Tomcat6在WEB-INF / lib中预加载JDBC驱动程序？

[英]How can I prevent Tomcat6 from pre-loading JDBC Drivers in WEB-INF/lib?

原文 2013-12-05 11:39:49 1 1 java/ tomcat/ jdbc

I have a number of JDBC Driver jar files in my webapp's WEB-INF/lib - eg oracle and SQL-Server. 我的Web应用程序的WEB-INF / lib中有许多JDBC Driver jar文件-例如oracle和SQL-Server。 In Tomcat7, if the webapp only uses oracle, the SQL-Server driver doesn't get registered, but in Tomcat6 it does (I can see this from my contextDestroyed() in a ServletContextListener, which de-registers Drivers loaded by this classloader). 在Tomcat7中，如果Web应用程序仅使用oracle，则不会注册SQL-Server驱动程序，但是在Tomcat6中，它会注册（我可以从ServletContextListener中的contextDestroyed（）中看到此信息，该注册器会注销由该类加载器加载的驱动程序）。

Is Tomcat6 somehow pre-loading classes from jars in WEB-INF/lib? Tomcat6是否以某种方式从WEB-INF / lib中的jars预加载了类？ If so, can this be disabled? 如果是这样，可以禁用此功能吗？

(I know these jars would be better in the shared lib, but this is another issue...) （我知道这些jar在共享库中会更好，但这是另一个问题...）

1 个解决方案

Never ever put drivers in the webapp class path. 永远不要将驱动程序放在webapp类路径中。 Put it always into the server's classpath. 始终将其放入服务器的类路径中。

Declare a DataSource then in your context.xml and then free the resources with this . 然后在您的context.xml声明一个DataSource ，然后使用this释放资源。

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