6

这是在 Tridion 2011 SP1 上。

我正在使用 Tridion 事件系统中的组件保存事件来创建相应的页面并将一些元数据与该页面相关联。指定架构时,我收到指示无法找到架构的 UUID 的事件日志。

错误中的 UUID 是我要使用的元数据模式,我还使用本地 TcmUri 作为元数据模式。我现在有点不知所措。

.NET 和由此产生的错误如下:

代码

public static TcmUri CreatePage(TcmUri parentSgId, Component component, TcmUri componentTemplateUri, TcmUri metaDataSchemaUri = null)
    {
        Logging.Debug("Attempting to create page in " + parentSgId.ToString());
        Page page = new Page(component.Session, parentSgId);
        page.Title = component.Title;
        page.FileName = component.Title;
        // Add a metadata schema
        if (metaDataSchemaUri != null)
        {
            TcmUri localMetaDataSchemaUri = TransformTcmUri(metaDataSchemaUri, parentSgId);
            page.MetadataSchema = (Schema)page.Session.GetObject(localMetaDataSchemaUri);
        }
        // Add the CP
        TcmUri localComponentUri = Helpers.TransformTcmUri(component.Id, parentSgId);
        TcmUri localComponentTemplateUri = Helpers.TransformTcmUri(componentTemplateUri, parentSgId);
        page.ComponentPresentations.Add(new ComponentPresentation(new Component(localComponentUri, component.Session), new ComponentTemplate(localComponentTemplateUri, component.Session)));
        try
        {
            page.Save(true);
            Logging.Debug("Created page successfully " + page.Id.ToString());
            return page.Id;
        }
        catch (Exception ex)
        {
            throw new Exception(ex.Message);
        }

    }

错误

Unable to find uuid:C42EE4FC-D2A2-49F5-92C7-BF6DCB014343:Metadata.
Component: Tridion.ContentManager Errorcode: 0 User: EMAKINA\MTSUser
StackTrace Information Details: at
Bair.Tridion.Events.Utilities.Helpers.CreatePage(TcmUri parentSgId,
Component component, TcmUri componentTemplateUri, TcmUri
metaDataSchemaUri) [...]
4

3 回答 3

6

正如 Quirijin 所指出的,问题在于我在尝试保存页面之前没有设置页面的元数据。工作代码如下。

设置页面元数据

if (metaDataSchemaUri != null)
            {
                Helpers.SetPageMetaData(metaDataSchemaUri, parentSgId, component, ref page);
            }

SetPageMetaData 方法

 protected static void SetPageMetaData(TcmUri metaDataSchemaUri, TcmUri parentSgId, Component component, ref Page page)
        {
        TcmUri localMetaDataSchemaUri = TransformTcmUri(metaDataSchemaUri, parentSgId);
        page.MetadataSchema = (Schema)page.Session.GetObject(localMetaDataSchemaUri);
        ItemFields metaFields = new ItemFields((Schema)page.Session.GetObject(localMetaDataSchemaUri));
        Logging.Debug("Schema title: " + page.MetadataSchema.Title);
        // Set the page metadata

            TextField pageTitle = (TextField)metaFields["pagetitle"];
            pageTitle.Value = "The page title";
[...]
            KeywordField showbreadcrumb = (KeywordField)metaFields["showbreadcrumb"];
            showbreadcrumb.Value = new Keyword(TransformTcmUri(new TcmUri("tcm:134-12018-1024"), parentSgId), page.Session);
[...]
        }
        page.Metadata = metaFields.ToXml();
        Logging.Debug("Page metadata set");
    }
于 2012-03-01T10:15:25.753 回答
5

我能够在我自己的图像中复制您的错误。经过一番调查,我能够弄清楚问题所在。报错“Unable to find uuid:C42EE4FC-D2A2-49F5-92C7-BF6DCB014343:Metadata”表示设置Schema没问题,但是在Page的XML中找不到那个元素。您还必须明确设置 .Metadata !这是我成功保存页面并添加元数据架构的操作:

    private void SetMetadata(Page page, SaveEventArgs eventArgs, EventPhases phases)
    {
        try
        {
            Schema schema = (Schema)page.Session.GetObject("tcm:3-5806-8");

            if (page.MetadataSchema == null)
            {
                page.MetadataSchema = schema;
                ItemFields metadata = new ItemFields(schema);
                TextField showInNav = (TextField)metadata["showinmenu"];
                showInNav.Value = "No";
                page.Metadata = metadata.ToXml();
                SetPageMetadata.LogMessage("Set Page Metadata");
            }
        }
        catch (Exception e)
        {
            SetPageMetadata.LogMessage("An error occurred while rsetting the Page metadata:\n" + e.Message);
        }
    }
于 2012-02-29T16:29:16.120 回答
1

您是否检查过架构是否有任何问题?它是否包含该命名空间值(uuid:C42EE4FC-D2A2-49F5-92C7-BF6DCB014343:Metadata)。有时值得清除浏览器缓存并重新启动 CME 以确保您正在查看最新模式。

于 2012-02-29T19:49:23.810 回答