I have a problem, which i believe i narrowed down to some inconsistency with cache.

The problem is that sometimes, umbraco seem to return empty data for the content of a node, even though the node exists and it can write out the name.

Umbraco version : umbraco v 4.0.2.1 (Assembly version: 1.0.3441.17657)

asp.net version: Microsoft .NET Framework version:2.0.50727.1433; ASP.NET version:2.0.50727.1433

Windows Version: client is windows xp sp3, server is Windows 2003 Server standard with sp2

I use the follwing code to write out the title field of a node, and if no title, it writes out name instead, problems is that randomly, the title is empty.

-- Code Start --

    <li>
     <a href="#" title="{$currentPage/data [@alias = 'title']}" class="dropper" id="drop_item2" onclick="return false;">
      <span class="label">
       <xsl:choose>
        <xsl:when test="string($currentPage/data [@alias='title']) != ''">
         <xsl:value-of select="$currentPage/data [@alias='title']"/>
        </xsl:when>
        <xsl:otherwise>
         <xsl:value-of select="$currentPage/@nodeName"/>
        </xsl:otherwise>
       </xsl:choose>
      </span>
      <xsl:if test="string($itm/@nodeTypeAlias)!='Homepage'">
       <span class="click">
        <input type="button" value="" onclick="toolbar.show(this,'drop_item2');" onblur="toolbar.hide(this,'drop_item2');" class="click_convert" />
       </span>
      </xsl:if>
     </a>
    </li>
-- Code End -- 

I put the following code i app_code to delete the cache xml and restart the application on publish, but that doesn't solve the issue every time.

-- Code Start --

using System;
using System.IO;
using umbraco.BusinessLogic;
using umbraco.cms.businesslogic.web;
using System.Web;

namespace BystedUmbraco
{
 public class FireBeforePublish : ApplicationBase
 {
  public FireBeforePublish()
  {
   Document.BeforePublish += DocumentBeforePublish;
  }

  static void DocumentBeforePublish(Document sender, umbraco.cms.businesslogic.PublishEventArgs e)
  {
   string filePath = HttpContext.Current.Server.MapPath("/data/umbraco.config");
   Log.Add(LogTypes.Custom, sender.Id, filePath);
   if (File.Exists(filePath))
   {
    try
    {
     Log.Add(LogTypes.Custom, sender.Id, "umbraco.config deleted");
     File.Delete(filePath);
    }
    catch (Exception)
    {

     Log.Add(LogTypes.Custom, sender.Id, "Could not delete");
    }

   }
  }
 }

 public class PublishClearCache : ApplicationBase
 {
  public PublishClearCache()
  {
   Document.AfterPublish += DocumentAfterPublish;
  }

  static void DocumentAfterPublish(Document sender, umbraco.cms.businesslogic.PublishEventArgs e)
  {
   Log.Add(LogTypes.Custom, sender.Id, "Restart");
   HttpRuntime.UnloadAppDomain();
  }
 }
}
-- Code End --

Also tried doing a full publish after editing an item, and again, only solves it sometimes, not all the time.

I hope someone can help me.