Java Liferay 7 hibernate方言不兼容问题

我下载了Liferay-7 Tomcat捆绑包并使用Oracle 11g数据库。我尝试添加了ojdbc6_g.jar、ojdbc14.jar和classes12.jar，但没有任何效果。每次由于不兼容的hibernate方言而获取NullPointerException

13:54:47,634 INFO  [Start Level: Equinox Container: 00717612-6e3c-0016-1f0e-a5e81700fe44][node:410] [Inferno] closed
13:55:57,206 INFO  [localhost-startStop-1][DialectDetector:75] Determine dialect for Oracle 11.2
13:55:57,273 INFO  [localhost-startStop-1][DialectDetector:148] Found dialect org.hibernate.dialect.Oracle10gDialect
13:55:57,529 ERROR [localhost-startStop-1][PortalContextLoaderListener:114] java.lang.NullPointerException
java.lang.NullPointerException
    at com.liferay.portal.kernel.servlet.DirectServletRegistryUtil.clearServlets(DirectServletRegistryUtil.java:27)
    at com.liferay.portal.spring.context.PortalContextLoaderListener.contextDestroyed(PortalContextLoaderListener.java:132)
    at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4859)
    at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5478)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:224)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:159)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:585)
    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1794)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)
13:55:57,531 ERROR [localhost-startStop-1][PortalContextLoaderListener:114] java.lang.NullPointerException
java.lang.NullPointerException
    at com.liferay.portal.kernel.deploy.hot.HotDeployUtil.reset(HotDeployUtil.java:53)
    at com.liferay.portal.spring.context.PortalContextLoaderListener.contextDestroyed(PortalContextLoaderListener.java:139)
    at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4859)
    at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5478)
    at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:224)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:159)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
    at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:585)
    at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1794)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask.run(FutureTask.java:262)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:745)
13:55:57,542 ERROR [localhost-startStop-1][PortalContextLoaderListener:114] java.lang.IllegalStateException: The system has not be activated yet.
java.lang.IllegalStateException: The system has not be activated yet.
    at org.eclipse.osgi.container.ModuleContainer$ContainerStartLevel.setStartLevel(ModuleContainer.java:1442)
    at com.liferay.portal.bootstrap.ModuleFrameworkImpl.stopRuntime(ModuleFrameworkImpl.java:515)

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Liferay7 CE不支持oracle（和其他商业数据库）。请检查和参考以获取受支持的数据库列表以及再次添加oracle支持的方法，或者尝试使用支持商业数据库的Liferay dxp。

Liferay 7 CE不支持oracle（和其他商业数据库）。查看和参考资料，了解受支持的数据库列表以及再次添加oracle支持的方法，或者尝试支持商业数据库的Liferay dxp