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java.lang.NullPointerException: 	at java.lang.StringBuilder.(StringBuilder.java:92)	at oracle.xdo.servlet.resources.CatalogSawMtomResourceProvider.getRealPath(CatalogSawMtomResourceProvider.java:2555)	at oracle.xdo.servlet.resources.CatalogSawMtomResourceProvider._writeResource(CatalogSawMtomResourceProvider.java:1760)	at oracle.xdo.servlet.resources.StructuredSawMtomResourceProvider.writeResource(StructuredSawMtomResourceProvider.java:1643)	at oracle.xdo.servlet.resources.StructuredSawMtomResourceProvider.writeResource(StructuredSawMtomResourceProvider.java:1609)	at oracle.xdo.servlet.resources.ScanningResourceProvider$WriteResource.exe(ScanningResourceProvider.java:116)	at oracle.xdo.servlet.resources.ScanningResourceProvider.scan(ScanningResourceProvider.java:198)	at oracle.xdo.servlet.resources.ScanningResourceProvider.writeResource(ScanningResourceProvider.java:647)	at oracle.xdo.servlet.resources.XdoProfileServiceImpl._saveProfileXml(XdoProfileServiceImpl.java:277)	at oracle.xdo.servlet.resources.XdoProfileServiceImpl.saveProfile(XdoProfileServiceImpl.java:316)	at oracle.xdo.servlet.XDOCookie.writeCookie(XDOCookie.java:755)	at oracle.xdo.servlet.ui.UIUtils.handleCookie(UIUtils.java:1784)	at oracle.xdo.servlet.security.SecurityFilter.handlePreference(SecurityFilter.java:456)	at oracle.xdo.servlet.security.SecurityFilter.doFilter(SecurityFilter.java:107)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.xdo.servlet.init.InitCheckingFilter.doFilter(InitCheckingFilter.java:63)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:143)	at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:330)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)