Application Error Event Id 1004 W3wp.exe
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Analyzer Sample report Advanced filtering Direct links to www.eventid.net Email notifications Scheduled reporting Free for subscribers EventReader Event Viewer Sample report Custom views/filters Servers list, organized in groups Integration with EventID.Net Consolidated view for all logs Free for subscribers Event ID: 1004 Source: Application Error Source: Application Error Maintenance: Recommended maintenance tasks for desktop applications Type: Information Description:Faulting application
or being automatically shut down after a few application errors, then you have a major problem on your hands. In my case the symptom was A process serving the application pool suffered http://blog.whitesites.com/Debugging-Faulting-Application-w3wp-exe-Crashes__634424707278896484_blog.htm a fatal communication error with the Windows Process Activation Service, in my system logs. If you have each website running in its own application pool then you know which website is going down, but the errors being displayed give you no hints as to the cause. I recently had a website that was randomly going down. Sometimes it would go down every few days, and application error other times it would only crash once a month. So I finally did some digging for the cause, and found it. If you don't know where to start in debugging your crashed application pools, this might help.Why Does W3WP.exe Crash?In my experience crashing happens for only a few reasons. The first is an unhandled Exception which was serious enough to crash the Application Pool application error event which is rare but does happen. The second is a recursive function or a set of functions that continue to pass the ball to one another with nothing stopping them. In my case this was the case. I had two functions that got caught in a loop and continued to run out of control until the server bottle necked due to CPU or memory usage.How do you know when your Application Pool Crashed?Easy check your event viewer Application Logs under Windows LogsThe Red Exclamation points are telling you there was an Application ErrorBut the details of the error don't help us very much. See BelowFaulting application name: w3wp.exe, version: 7.5.7601.17514, time stamp: 0x4ce7afa2Faulting module name: KERNELBASE.dll, version: 6.1.7601.17514, time stamp: 0x4ce7c78cException code: 0xe053534fFault offset: 0x000000000000a49dFaulting process id: 0x%9Faulting application start time: 0x%10Faulting application path: %11Faulting module path: %12Report Id: %13These errors are followed by a application log from Windows Error ReportingThe details of this message tell us where the system dump was stored. Take note of this, as this will help you find the dump files you need.Fault bucket , type 0Event Name: APPCRASHResponse: Not availableCab Id: 0Problem signature:P1: w3wp.exeP2: 7.5.7601.17514P3: 4ce7afa