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java.lang.NullPointerException: 	at java.io.File.(File.java:222)	at java.lang.Package$1.run(Package.java:527)	at java.lang.Package.defineSystemPackage(Package.java:520)	at java.lang.Package.getSystemPackages(Package.java:511)	at java.lang.ClassLoader.getPackages(ClassLoader.java:1513)	at java.lang.ClassLoader.getPackages(ClassLoader.java:1511)	at java.lang.ClassLoader.getPackages(ClassLoader.java:1511)	at java.lang.ClassLoader.getPackages(ClassLoader.java:1511)	at java.lang.ClassLoader.getPackages(ClassLoader.java:1511)	at java.lang.Package.getPackages(Package.java:281)	at com.sigmadynamics.sdo.access.impl.SDApplicationTypeImpl.(SDApplicationTypeImpl.java:1029)	at com.sigmadynamics.sdo.access.impl.ObjectFactoryImpl.createSDApplicationType(ObjectFactoryImpl.java:1463)	at com.sigmadynamics.sdo.access.impl.ObjectFactoryImpl.create(ObjectFactoryImpl.java:140)	at org.eclipse.emf.ecore.xmi.impl.XMLHelperImpl.createObject(XMLHelperImpl.java:739)	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectFromFactory(XMLHandler.java:1386)	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.createObjectByType(XMLHandler.java:754)	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.createTopObject(XMLHandler.java:780)	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.processElement(XMLHandler.java:462)	at org.eclipse.emf.ecore.xmi.impl.XMLHandler.startElement(XMLHandler.java:450)	at org.eclipse.emf.ecore.xmi.impl.SAXWrapper.startElement(SAXWrapper.java:74)	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501)	at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:767)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1363)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$ContentDriver.scanRootElementHook(XMLDocumentScannerImpl.java:1315)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3104)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(XMLDocumentScannerImpl.java:921)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647)	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808)	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:121)	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:523)	at weblogic.xml.jaxp.WebLogicXMLReader.parse(WebLogicXMLReader.java:134)	at weblogic.xml.jaxp.RegistryXMLReader.parse(RegistryXMLReader.java:173)	at javax.xml.parsers.SAXParser.parse(SAXParser.java:396)	at org.eclipse.emf.ecore.xmi.impl.XMLLoadImpl.load(XMLLoadImpl.java:140)	at org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl.doLoad(XMLResourceImpl.java:169)	at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:988)	at com.sigmadynamics.sdo.loading.Metadata.createSDOFrom(Metadata.java:249)	at com.sigmadynamics.sdo.loading.Metadata.createSDORoot(Metadata.java:159)	at com.sigmadynamics.sdo.loading.Metadata.getSDTypes(Metadata.java:322)	at com.sigmadynamics.sdo.loading.SDA.getAppName(SDA.java:417)	at com.sigmadynamics.workbench.commands.DeployAppCommand.internalExecute(DeployAppCommand.java:99)	at com.sigmadynamics.workbench.commands.DeployAppCommand.execute(DeployAppCommand.java:80)	at com.sigmadynamics.workbench.commands.WorkbenchExecutionContext.execute(WorkbenchExecutionContext.java:53)	at com.sigmadynamics.ws.workbench.server.WorkbenchEndPoint$DeploymentExecutionContext.execute(WorkbenchEndPoint.java:149)	at com.sigmadynamics.workbench.access.impl.WSParamImpl.doExecute(WSParamImpl.java:171)	at com.sigmadynamics.ws.workbench.server.WorkbenchEndPoint.deploy(WorkbenchEndPoint.java:88)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at oracle.j2ee.ws.server.jaxws.ServiceEndpointRuntime.processMessage(ServiceEndpointRuntime.java:370)	at oracle.j2ee.ws.server.jaxws.ServiceEndpointRuntime.processMessage(ServiceEndpointRuntime.java:202)	at oracle.j2ee.ws.server.jaxws.JAXWSRuntimeDelegate.processMessage(JAXWSRuntimeDelegate.java:477)	at oracle.j2ee.ws.server.provider.ProviderProcessor.doEndpointProcessing(ProviderProcessor.java:1187)	at oracle.j2ee.ws.server.WebServiceProcessor$1.run(WebServiceProcessor.java:1131)	at oracle.j2ee.ws.server.WebServiceProcessor$1.run(WebServiceProcessor.java:1129)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)	at oracle.security.jps.internal.jaas.AccActionExecutor.execute(AccActionExecutor.java:74)	at oracle.security.jps.internal.jaas.AbstractSubjectSecurity$ActionExecutorWrapper.execute(AbstractSubjectSecurity.java:242)	at oracle.security.jps.internal.jaas.CascadeActionExecutor$SubjectPrivilegedExceptionAction.run(CascadeActionExecutor.java:83)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:146)	at weblogic.security.Security.runAs(Security.java:61)	at oracle.security.jps.wls.jaas.WlsActionExecutor.execute(WlsActionExecutor.java:51)	at oracle.security.jps.internal.jaas.CascadeActionExecutor.execute(CascadeActionExecutor.java:56)	at oracle.security.jps.internal.jaas.AbstractSubjectSecurity$ActionExecutorWrapper.execute(AbstractSubjectSecurity.java:242)	at oracle.j2ee.ws.server.provider.GenericProviderPlatform.runAs(GenericProviderPlatform.java:458)	at oracle.j2ee.ws.server.WebServiceProcessor.invokeEndpointImplementation(WebServiceProcessor.java:1149)	at oracle.j2ee.ws.server.provider.ProviderProcessor.doRequestProcessing(ProviderProcessor.java:581)	at oracle.j2ee.ws.server.WebServiceProcessor.processRequest(WebServiceProcessor.java:235)	at oracle.j2ee.ws.server.WebServiceProcessor.doService(WebServiceProcessor.java:196)	at oracle.j2ee.ws.server.WebServiceServlet.doPost(WebServiceServlet.java:487)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:821)	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)	at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)	at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:324)	at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:460)	at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:163)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)