asp.net-mvc - Sitecore 内容编辑器抛出 : Server Error in '/' Application error

Question

当我尝试在 Sitecore 9.1 中打开内容编辑器时，它会抛出以下错误。这是堆栈跟踪的链接:

请帮我解决这个错误。

Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: [NullReferenceException: Object reference not set to an instance of an object.] Sitecore.Buckets.Commands.MakeTemplateBucketable.GetToolTip(CommandContext context, String tooltip) +167 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.FillParamsFromCommand(CommandContext commandContext, RibbonCommandParams ribbonCommandParams) +186 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.GetCommandParameters(Item controlItem, CommandContext commandContext) +78 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderSmallCheckButton(HtmlTextWriter output, Item button, CommandContext commandContext) +99 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderButton(HtmlTextWriter output, Item button, CommandContext commandContext) +823 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext commandContext) +341 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext commandContext, Boolean isContextual, String id) +243 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunk(HtmlTextWriter output, Item chunk, CommandContext commandContext, Boolean isContextual) +160 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderChunks(HtmlTextWriter output, Item strip, CommandContext commandContext, Boolean isContextual) +425 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderStrips(HtmlTextWriter output, Item ribbon, Boolean isContextual, ListString visibleStripList) +1612 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.RenderStrips(HtmlTextWriter output, Item defaultRibbon, Item contextualRibbon, ListString visibleStripList) +161 Sitecore.Web.UI.WebControls.Ribbons.Ribbon.Render(HtmlTextWriter output) +733 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +131 Sitecore.Web.HtmlUtil.RenderControl(Control ctl) +79 Sitecore.Shell.Applications.ContentManager.ContentEditorForm.UpdateRibbon(Item folder, Boolean isCurrentItemChanged, Boolean showEditor) +559 Sitecore.Shell.Applications.ContentManager.ContentEditorForm.Update() +581 Sitecore.Shell.Applications.ContentManager.ContentEditorForm.OnPreRendered(EventArgs e) +204 [TargetInvocationException: Exception has been thrown by the target of an invocation.] System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0 System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +128 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +142 Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj) +89 Sitecore.Shell.Applications.ContentManager.ContentEditorPage.OnPreRender(EventArgs e) +143 System.Web.UI.Control.PreRenderRecursiveInternal() +200 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +7479

Answer 1

刚遇到同样的错误。当您尝试打开的项目模板损坏时，似乎会发生这种情况。在你的情况下，你可能破坏了主页项目，当你打开内容编辑器时，它会自动被选中。要验证，您可以在 DBBrowser 中重命名主页项目(这样它就不会被自动选中)。之后，内容编辑器应该会再次运行，您应该会在快速操作栏中看到链接断开的警告。

最简单的修复方法可能是:

• 创建一个包含您的家居用品的完整模板层次结构的包
• 安装那个包

之后您应该能够重新命名您的主页项目并正常启动内容编辑器。