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java.lang.NullPointerException: 	at com.liferay.portal.util.HibernateConfiguration.init(HibernateConfiguration.java:75)	at com.liferay.util.dao.hibernate.SessionConfiguration.(SessionConfiguration.java:44)	at com.liferay.portal.util.HibernateConfiguration.(HibernateConfiguration.java:44)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	at java.lang.reflect.Constructor.newInstance(Unknown Source)	at java.lang.Class.newInstance(Unknown Source)	at com.liferay.util.InstancePool._get(InstancePool.java:69)	at com.liferay.util.InstancePool.get(InstancePool.java:39)	at com.liferay.portal.util.HibernateUtil._getSessionConfigurationInstance(HibernateUtil.java:86)	at com.liferay.portal.util.HibernateUtil.openSession(HibernateUtil.java:68)	at com.liferay.portal.ejb.BasePersistence.openSession(BasePersistence.java:43)	at com.liferay.portal.ejb.CompanyPersistence.findByPrimaryKey(CompanyPersistence.java:165)	at com.liferay.portal.ejb.CompanyUtil.findByPrimaryKey(CompanyUtil.java:128)	at com.dotmarketing.cms.factories.PublicCompanyFactory.getDefaultCompany(PublicCompanyFactory.java:55)	at com.dotmarketing.servlets.InitServlet.init(InitServlet.java:99)	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1231)	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1144)	at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1031)	at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4901)	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5188)	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)	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:714)	at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:581)	at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1683)	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)	at java.util.concurrent.FutureTask.run(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)