Versions / Builds Affected2012 (both versions, builds 20120305, 20120618)
Problem SummaryHundreds of ASP .NET 4 Warning Events (Event ID 1309) are seen in the application event log.
TT / JIRAID17
How to IdentifyThe following events are in the application event log and no other adverse problems are noted:
Event Type: Warning
Event Source: ASP.NET 4.0.30319.0
Event Category: Web Event
Event ID: 1309
Time: 3:14:48 PM
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 26/03/2012 3:14:48 PM
Event time (UTC): 26/03/2012 4:44:48 AM
Event ID: d5973e941ebd4cef9651aa5d93620091
Event sequence: 3894
Event occurrence: 45
Event detail code: 0
Application domain: /LM/W3SVC/1/ROOT-1-129769346146250000
Trust level: Full
Application Virtual Path: /
Application Path: C:\Program Files\GFI\WebMonitor\WebUI\
Machine name: SECURITY-SERVER
Process ID: 3024
Process name: iisexpress.exe
Account name: D-ADEL-001\Administrator
Exception type: HttpException
Exception message: Session state has created a session id, but cannot save it because the response was already flushed by the application.
at System.Web.SessionState.SessionIDManager.SaveSessionID(HttpContext ...
Workaround / Fix DetailsDevelopment has issued a patches:
Patch for build 20120305 It can be found here:
Patch for SR1 (build 20120618):
Note: This fix will be included in GFI Webmonitor 2012 R2 (Sept 2012)
Required ActionsHave the customer apply the patch.