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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsRepositoryRepositoryRepository download wonRepository download won't start, just sit there
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5/13/2009 3:36 PM
 
Gerald Rathkolb


Joined: 6/22/2006
Posts: 52

Hi, I'm sort of in an emergency mode about this now, but I upgraded the repository module to the latest version and now we don't seem to be able to download anything.  When a user clicks on a link it just sits there constantly waiting for the download to start, but it never does.  This is the error I get:

 

AssemblyVersion: 04.04.01
PortalID: 0
PortalName: WinDoor Incorporated
UserID: -1
UserName:
ActiveTabID: 91
ActiveTabName: XXXXX
RawURL: XXXXX
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: XXXXX
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 4d09f384-90c1-46f5-ba96-b5f343e294e4
InnerException: Server cannot append header after HTTP headers have been sent.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.HttpResponse.AppendHeader
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: Server cannot append header after HTTP headers have been sent. ---> System.Web.HttpException: Server cannot append header after HTTP headers have been sent. at System.Web.HttpResponse.AppendHeader(String name, String value) at DotNetNuke.HttpModules.Compression.CompressingFilter.WriteHeaders() at DotNetNuke.HttpModules.Compression.DeflateFilter.Write(Byte[] buffer, Int32 offset, Int32 count) at System.Web.HttpWriter.Filter(Boolean finalFiltering) at System.Web.HttpResponse.Flush(Boolean finalFlush) at System.Web.HttpResponse.Flush() at DotNetNuke.Modules.Repository.RepositoryBL.StreamFile(String FilePath, String DownloadAs) at DotNetNuke.Modules.Repository.RepositoryBL.DownloadFile(String ItemID, String target) at DotNetNuke.Modules.Repository.Repository.lstObjects_ItemCommand(Object source, DataGridCommandEventArgs e) at System.Web.UI.WebControls.DataGrid.OnItemCommand(DataGridCommandEventArgs e) at System.Web.UI.WebControls.DataGrid.OnBubbleEvent(Object source, EventArgs e) at System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) at System.Web.UI.WebControls.DataGridItem.OnBubbleEvent(Object source, EventArgs e) at System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) at System.Web.UI.WebControls.LinkButton.OnCommand(CommandEventArgs e) at System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String EVENT_ARGUMENT) at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String EVENT_ARGUMENT) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String EVENT_ARGUMENT) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---
Source:
Server Name: XXXX

This error also seems to accompany it:

AssemblyVersion: 04.04.01
PortalID: 0
PortalName: XXXX
UserID: -1
UserName:
ActiveTabID: 91
ActiveTabName: XXXX
RawURL: XXXX
AbsoluteURL: /Default.aspx
AbsoluteURLReferrer: XXXX
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 65e741ce-a10f-49be-bb6b-c6a6bcb401bd
InnerException: Unhandled Error:
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Web.HttpResponse.Redirect
StackTrace:
Message: System.Exception: Unhandled Error: ---> System.Web.HttpException: Cannot redirect after HTTP headers have been sent. at System.Web.HttpResponse.Redirect(String url, Boolean endResponse) at DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL) at DotNetNuke.Framework.PageBase.Page_Error(Object Source, EventArgs e) at System.Web.UI.TemplateControl.OnError(EventArgs e) 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.default_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 ---
Source:
Server Name: XXXX
 
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5/13/2009 3:44 PM
 
Steve Fabian


Steve Fabian's Avatar

Joined: 3/4/2003
Posts: 2111

It's caused by your site's compression settings....

Try this .. log in using your Host account. Go to the Host Settings page and under the compression section, try clearing the WhiteSpace compression checkbox. Save your changes, then click on Restart Application to recycle the app.

Now go try your downloads again and see it it works. If you still have problems, go back to the Host Settings page and turn off page compression, recycle your app and try again.

If after that you're still having issues, as a last resort, try commenting out the compression handler in your web.config file

Let me know if any of these steps solves your problem



 Steve Fabian
e: steve.fabian@gooddogs.com
w: http://www.gooddogs.com
 
New Post
5/13/2009 3:59 PM
 
Gerald Rathkolb


Joined: 6/22/2006
Posts: 52

I tried clearing the white space block out and now the site is getting a total error:

 

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.]
   DotNetNuke.HttpModules.Compression.Settings.GetSettings() +649
   DotNetNuke.HttpModules.Compression.HttpModule.CompressContent(Object sender, EventArgs e) +213
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

 
New Post
5/13/2009 4:05 PM
 
Gerald Rathkolb


Joined: 6/22/2006
Posts: 52

I think I screwed up badly and cleared out the whitespae box instead of the white space checkbox.  Any advice on how to get things working again?
 
New Post
6/3/2009 4:00 PM
 
Steve Fabian


Steve Fabian's Avatar

Joined: 3/4/2003
Posts: 2111

 

ok, the problem is that you cleared the textbox which defines the whitespace compression filter. What you should have done is just clear the checkbox labelled use Whitespace filter in the Performance Settings section of the page to disable it. You're getting the error because the code expects that text box to have some value even if WhiteSpace compression is not being used.

The compression settings are stored in a file named compression.config stored in the root folder of your DotNetNuke web site, and should look like this, use notepad to open compression.config and replace the contents with the following...

 

<?xml version="1.0" encoding="utf-8"?>
<compression>
  <excludedMimeTypes>
    <mimeType>image/gif</mimeType>
    <mimeType>image/jpeg</mimeType>
  </excludedMimeTypes>
  <excludedPaths>
    <path>install/install.aspx</path>
    <path>linkclick.aspx</path>
  </excludedPaths>
  <whitespace><![CDATA[(?<=[^])\t{2,}|(?<=[>])\s{2,}(?=[<])|(?<=[>])\s{2,11}(?=[<])|(?=[\n])\s{2,}]]></whitespace>
</compression>

 

That should do it. Go back into Host->Settings, open the Performance Settings section and clear the checkbox for use Whitespace filter. Click on Update, then Click on Restart Application.



 Steve Fabian
e: steve.fabian@gooddogs.com
w: http://www.gooddogs.com
 
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