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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsGalleryGallery_metadata.resources used by another process_metadata.resources used by another process
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11/28/2006 5:35 PM
 
Andrew Hebert

Joined: 3/12/2006
Posts: 3

Sorry if resolution posted...searched and didnt find anything.

I am currently getting the following error after creating a gallery and an album.  This error happens about 75% - 80% of the time

System.Exception: Unhandled Error: ---> System.Web.HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> System.IO.IOException: The process cannot access the file 'PATH\Portals\prod\Gallery\434\albumname\_metadata.resources' because it is being used by another process. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at System.Xml.XmlDocument.Save(String filename) at DotNetNuke.Modules.Gallery.GalleryXML.SaveMetaData(String Directory, String FileName, Int32 ID, String Title, String Description, String Categories, String Author, String Location, String Client, Int32 OwnerID, DateTime ApprovedDate, DateTime CreatedDate, Double Score) at DotNetNuke.Modules.Gallery.GalleryFolder.Populate() at DotNetNuke.Modules.Gallery.Utils.PopulateAllFolders(GalleryFolder rootFolder) at DotNetNuke.Modules.Gallery.Config..ctor(Int32 ModuleID) at DotNetNuke.Modules.Gallery.Config.GetGalleryConfig(Int32 ModuleID) at DotNetNuke.Modules.Gallery.WebControls.Viewer.Page_Init(Object sender, EventArgs e) at System.Web.UI.Control.OnInit(EventArgs e) at System.Web.UI.UserControl.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace --- 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.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.desktopmodules_gallery_viewer_aspx.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --- End of inner exception stack trace ---

In other forums, this issue has been remedied by reducing the number of photos in your album.  I'm not sure that this is the solution for the root cause of this problem.  By the nature of the error message, it seems that concurrent processes are attempting to do xml sit-ups against _metadata.resources at the same time.  With larger albums of 100+, this could take considerable time (relatively speaking), causing disaster (if unchecked) in a site with moderate traffic.  Anyone else with this issue?  Resolution?  Thoughts?

 
 
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11/28/2006 10:34 PM
 
James Jegers

www.Jegers.com
Joined: 4/6/2006
Posts: 217
Thanks for your input.  I played with this a little and was able to reproduce your issue.  See your "usage" post for some additional comments.  As far as development, the team is currently working on removing the _metadata.resources file altogether and using the database to store information.  So hopefully some of the contention issues should go away...
 
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