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java.lang.NullPointerException: 	at java.lang.Integer.compareTo(Integer.java:1019)	at com.openmarket.xcelerate.asset.DependentAsset.compareTo(DependentAsset.java:79)	at java.util.Arrays.mergeSort(Arrays.java:1167)	at java.util.Arrays.sort(Arrays.java:1079)	at com.openmarket.xcelerate.asset.DependentAssetSet.getList(DependentAssetSet.java:389)	at com.openmarket.xcelerate.asset.Asset.getPubDeps(Asset.java:794)	at com.openmarket.xcelerate.commands.AssetDispatcher.GetPubDeps(AssetDispatcher.java:1670)	at sun.reflect.GeneratedMethodAccessor838.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.openmarket.framework.commands.Dispatcher.Execute(Dispatcher.java:145)	at COM.FutureTense.XML.Template.DynTag.execute(DynTag.java:269)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.Root.execute(BlockTag.java:365)	at COM.FutureTense.XML.Template.XMLEval.run(XMLEval.java:331)	at COM.FutureTense.Common.ContentServer.evalTheXML(ContentServer.java:3311)	at COM.FutureTense.Common.ContentServer.evalTemplate(ContentServer.java:2551)	at COM.FutureTense.Common.ContentServer.processElement(ContentServer.java:1999)	at COM.FutureTense.XML.Template.CallElement.execute(CallTag.java:253)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.LoopTag.execute(BlockTag.java:756)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.Root.execute(BlockTag.java:365)	at COM.FutureTense.XML.Template.XMLEval.run(XMLEval.java:331)	at COM.FutureTense.Common.ContentServer.evalTheXML(ContentServer.java:3311)	at COM.FutureTense.Common.ContentServer.evalTemplate(ContentServer.java:2551)	at COM.FutureTense.Common.ContentServer.processElement(ContentServer.java:1999)	at COM.FutureTense.XML.Template.CallElement.execute(CallTag.java:253)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.IfChild.execute(BlockTag.java:397)	at COM.FutureTense.XML.Template.IFTag.execute(BlockTag.java:496)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:144)	at COM.FutureTense.XML.Template.BlockTag.execute(BlockTag.java:120)	at COM.FutureTense.XML.Template.Root.execute(BlockTag.java:365)	at COM.FutureTense.XML.Template.XMLEval.run(XMLEval.java:331)	at COM.FutureTense.Common.ContentServer.evalTheXML(ContentServer.java:3311)	at COM.FutureTense.Common.ContentServer.evalTemplate(ContentServer.java:2551)	at COM.FutureTense.Common.ContentServer.processElement(ContentServer.java:1999)	at COM.FutureTense.Common.CS.CallElement(CS.java:1603)	at com.fatwire.services.dao.helper.Tags.callElement(Tags.java:26)	at com.fatwire.services.ApprovalServiceImpl$2.run(ApprovalServiceImpl.java:160)	at com.fatwire.services.ApprovalServiceImpl$2.run(ApprovalServiceImpl.java:142)	at com.fatwire.services.helper.ServiceWrapper.run(ServiceWrapper.java:69)	at com.fatwire.services.ApprovalServiceImpl.approve(ApprovalServiceImpl.java:142)	at jsp_servlet._jsp._cs_deployed._ui._actions._asset._approve.__approveaction._jspService(__approveaction.java:168)	at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)	at weblogic.servlet.internal.StubSecurityHelper$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.ServletStubImpl.execute(ServletStubImpl.java:184)	at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:526)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:447)	at COM.FutureTense.Servlet.ServletRequest.include(ServletRequest.java:1410)	at COM.FutureTense.Servlet.FRequestObj.include(FRequestObj.java:1422)	at COM.FutureTense.Servlet.JSPServices.runJSP(JSPServices.java:111)	at COM.FutureTense.Platform.FileSystem.FILESYSTEMJSPManager.runJSP(FILESYSTEMJSPManager.java:463)	at COM.FutureTense.Servlet.JSPServices.runJSPObject(JSPServices.java:50)	at COM.FutureTense.Platform.FileSystem.FILESYSTEMJSPManager$JSPDataFile.run(FILESYSTEMJSPManager.java:190)	at COM.FutureTense.Common.ContentServer.jspExecute(ContentServer.java:3027)	at COM.FutureTense.Common.ContentServer.evalTemplate(ContentServer.java:2621)	at COM.FutureTense.Common.ContentServer.processElement(ContentServer.java:1999)	at COM.FutureTense.Common.CS.CallElement(CS.java:1603)	at com.fatwire.cs.ui.framework.UIController.execute(UIController.java:133)	at jsp_servlet._jsp._cs_deployed._fatwire._ui._controller.__controller._jspService(__controller.java:89)	at weblogic.servlet.jsp.JspBase.service(JspBase.java:34)	at weblogic.servlet.internal.StubSecurityHelper$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.ServletStubImpl.execute(ServletStubImpl.java:184)	at weblogic.servlet.internal.RequestDispatcherImpl.invokeServlet(RequestDispatcherImpl.java:526)	at weblogic.servlet.internal.RequestDispatcherImpl.include(RequestDispatcherImpl.java:447)	at COM.FutureTense.Servlet.ServletRequest.include(ServletRequest.java:1410)	at COM.FutureTense.Servlet.FRequestObj.include(FRequestObj.java:1422)	at COM.FutureTense.Servlet.JSPServices.runJSP(JSPServices.java:111)	at COM.FutureTense.Platform.FileSystem.FILESYSTEMJSPManager.runJSP(FILESYSTEMJSPManager.java:463)	at COM.FutureTense.Servlet.JSPServices.runJSPObject(JSPServices.java:50)	at COM.FutureTense.Platform.FileSystem.FILESYSTEMJSPManager$JSPDataFile.run(FILESYSTEMJSPManager.java:190)	at COM.FutureTense.Common.ContentServer.jspExecute(ContentServer.java:3027)	at COM.FutureTense.Common.ContentServer.evalTemplate(ContentServer.java:2621)	at COM.FutureTense.Common.ContentServer.generatePage(ContentServer.java:1640)	at COM.FutureTense.Common.ContentServer.evalPage(ContentServer.java:1276)	at COM.FutureTense.Common.ContentServer.execute(ContentServer.java:465)	at COM.FutureTense.Servlet.FTServlet.execute(FTServlet.java:129)	at COM.FutureTense.Servlet.FTServlet.doPost(FTServlet.java:61)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)	at weblogic.servlet.internal.StubSecurityHelper$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:26)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at com.fatwire.auth.RequestAuthenticationFilter.doFilter(RequestAuthenticationFilter.java:193)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at COM.FutureTense.Servlet.URLRewriteFilter.doFilter(URLRewriteFilter.java:81)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at com.fatwire.wem.sso.cas.filter.CASFilter.doFilter(CASFilter.java:241)	at com.fatwire.wem.sso.SSOFilter.doFilter(SSOFilter.java:51)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	at com.fatwire.cs.ui.framework.UIFilter.doFilter(UIFilter.java:108)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)	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)