解説

Sitecoreの/tempフォルダーが/Websiteフォルダー外に配置されている場合、以下の事象が発生する可能性があります。

• リボン ボタンに表示されるはずのアイコンが表示されない場合があります。
• コンテンツ エディタを開く際に、以下のような例外が出力される場合があります。
  

  [HttpException]: '/sitecore/shell/themes/standard/c:/inetpub/wwwroot/sc620a/websitewrite/temp/nav_left_green_disabled24x24.png.zip' is not a valid virtual path.
     at System.Web.VirtualPath.Create(String virtualPath, VirtualPathOptions options)
     at System.Web.HttpServerUtility.MapPath(String path)
     at Sitecore.IO.FileUtil.MapPath(String path)
     at Sitecore.IO.FileUtil.FileExists(String filename)
     at Sitecore.IO.FileUtil.Exists(String path)
     at Sitecore.Resources.Themes.HandleZippedIcons(String sourcePath)
     at Sitecore.Resources.Themes.MapTheme(String sourcePath, String overlay, Boolean disabled)
     at Sitecore.Resources.ImageBuilder.ToString()
     at Sitecore.Shell.Web.UI.WebControls.LargeButton.Render(HtmlTextWriter output)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderLargeButton(HtmlTextWriter output, Item button, CommandContext context)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderButton(HtmlTextWriter output, Item button, CommandContext context)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext context)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext context, Boolean isContextual, String id)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext context, Boolean isContextual)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunks(HtmlTextWriter output, Item strip, CommandContext context, Boolean isContextual)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderStrips(HtmlTextWriter output, Item ribbon, Boolean isContextual, ListString visibleStrips)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderStrips(HtmlTextWriter output, Item defaultRibbon, Item contextualRibbon, ListString visibleStrips)
     at Sitecore.Web.UI.WebControls.Ribbons.Ribbon.Render(HtmlTextWriter output)
     at Sitecore.Web.HtmlUtil.RenderControl(Control ctl)
     at Sitecore.Shell.Applications.ContentManager.ContentEditorForm.UpdateRibbon(Item folder, Boolean isCurrentItemChanged, Boolean showEditor)
     at Sitecore.Shell.Applications.ContentManager.ContentEditorForm.Update()
  [TargetInvocationException]: Exception has been thrown by the target of an invocation.
     at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
     at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
     at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
     at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
     at Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj)
     at Sitecore.Reflection.ReflectionUtil.CallMethod(Type type, Object obj, String methodName, Boolean includeNonPublic, Boolean includeInherited, Boolean includeStatic, Object[] parameters)
     at Sitecore.Reflection.ReflectionUtil.CallMethod(Type type, Object obj, String methodName, Boolean includeNonPublic, Boolean includeInherited, Object[] parameters)
     at Sitecore.Reflection.ReflectionUtil.CallMethod(Object obj, String methodName, Boolean includeNonPublic, Boolean includeInherited, Object[] parameters)
     at Sitecore.Shell.Applications.ContentManager.ContentEditorPage.OnPreRender(EventArgs e)
     at System.Web.UI.Control.PreRenderRecursiveInternal()
     at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
  [HttpUnhandledException]: Exception of type 'System.Web.HttpUnhandledException' was thrown.
     at System.Web.UI.Page.HandleError(Exception e)
     at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
     at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
     at System.Web.UI.Page.ProcessRequest()
     at System.Web.UI.Page.ProcessRequest(HttpContext context)
     at ASP.sitecore_shell_applications_content_manager_default_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\root\b457e20f\c4135e75\App_Web_d-p6w8m5.2.cs:line 0
     at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
     at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

解決策

tempフォルダーは、ウェブサイトのrootフォルダー内（これがデフォルトの場所です）に配置していただくことをお薦めいたします。

<sc.variable name="tempFolder" value="/temp"/>