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java.lang.NullPointerException: 	at weblogic.Home.(Home.java:31)	at weblogic.Home.getInstance(Home.java:82)	at weblogic.Home.getPath(Home.java:90)	at weblogic.xml.registry.XMLRegistry.(XMLRegistry.java:97)	at weblogic.xml.registry.XMLRegistry.getXMLRegistry(XMLRegistry.java:123)	at weblogic.xml.jaxp.RegistryEntityResolver.(RegistryEntityResolver.java:37)	at weblogic.xml.jaxp.WebLogicDocumentBuilderFactory.newDocumentBuilder(WebLogicDocumentBuilderFactory.java:50)	at weblogic.servlet.internal.dd.DescriptorLoader.(DescriptorLoader.java:164)	at weblogic.servlet.internal.HttpServer.loadWARContext(HttpServer.java:452)	at weblogic.servlet.internal.HttpServer.loadWebApp(HttpServer.java:394)	at weblogic.j2ee.WebAppComponent.deploy(WebAppComponent.java:74)	at weblogic.j2ee.Application.addComponent(Application.java:116)	at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:115)	at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:283)	at weblogic.management.mbeans.custom.DeploymentTarget.addDeployments(DeploymentTarget.java:233)	at weblogic.management.mbeans.custom.DeploymentTarget.updateWebDeployments(DeploymentTarget.java:223)	at weblogic.management.mbeans.custom.DeploymentTarget.updateDeployments(DeploymentTarget.java:156)	at java.lang.reflect.Method.invoke(Native Method)	at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:559)	at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:545)	at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)	at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:431)	at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:172)	at $Proxy22.updateDeployments(Unknown Source)	at weblogic.management.configuration.WebServerMBean_CachingStub.updateDeployments(WebServerMBean_CachingStub.java:1029)	at weblogic.management.mbeans.custom.ApplicationManager.startConfigManager(ApplicationManager.java:244)	at weblogic.management.mbeans.custom.ApplicationManager.start(ApplicationManager.java:121)	at java.lang.reflect.Method.invoke(Native Method)	at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:559)	at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:545)	at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)	at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)	at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:431)	at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:172)	at $Proxy19.start(Unknown Source)	at weblogic.management.configuration.ApplicationManagerMBean_CachingStub.start(ApplicationManagerMBean_CachingStub.java:435)	at weblogic.management.Admin.startApplicationManager(Admin.java:959)	at weblogic.management.Admin.finish(Admin.java:459)	at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:429)	at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:170)	at weblogic.Server.main(Server.java:35)