Crash caused abnormal termination in the MvcApp application pool.
Determines root cause:
Crash caused by Stack overflow
Automatically diagnoses hard-to-catch crashes:
Stack overflow, unhandled exceptions, worker process timeouts.
Improve IIS website health by fixing crashes and critical errors
W3wp.exe crashes can cause instability and downtime for your IIS website. Worse yet, most APM tools don't report them because they crash along with your IIS worker process! Use LeanSentry to fix crashes and other important errors across your entire Windows Server, IIS, and ASP.NET stack.
Identify code causing crashes in production.
Safe for production with virtually zero overhead.
Track Http.sys, IIS, ASP.NET, and application errors in one place.
"Our website has been running night and day better since the recent patches which were in a very large part thanks to LeanSentry. Cannot tell you how appreciative we are!"
Mike Boyle, IT Manager
Track error impact across your entire Http.sys, IIS, and ASP.NET stack.
LeanSentry tracks all errors affecting your website health, and automatically groups them to show you the true combined impact of each error.
Get notified about critical errors and their causes.
LeanSentry detects and determines the cause of most critical IIS errors, including application pool failures, queue full, crashes, application initialization errors, and more. It then notifies you with the code-level cause of the error so you can fix it right away.
Prioritize and fix errors and crashes in your IIS website
Runs safely alongside your existing monitoring. Minimal overhead. Deploys in 5 minutes.
externalnon-blockingRuns side-by-side with your APM
Low overhead monitoring, that can run side-by-side with your existing APM tools.
APM tools use profilers that intercept your application's execution. This can destabilize and slow down your apps.
LeanSentry uses external, non-intrusive monitoring that combines data from standard Windows logs including IIS logs, ETW traces, performance counters, and so on. This has almost zero overhead on your server and cannot crash or slow down your applications.
Our customers say
In the first 3 weeks of use, we resolved 3 production issues affecting performance and availability. LeanSentry is now our go to tool for insight into how our applications are running.
Platform Architect, OrderDynamics
Great product & company to work with. Ex MS guys who know IIS and the MS stack. You work with the team directly, not a customer care layer. LeanSentry uncovers things in minutes vs. days of digging.
Operations Manager, Pacific DataVision
I have not seen a service that provides so much information with so little setup. LeanSentry made it simple to diagnose errors and slowdowns, and gave us a way to measure our success in resolving application issues.
Web Developer, InfoTrack
We were seeing severe hangs on our ASP.NET site.
Looked at what LeanSentry said was the cause of the hang,
disabled that code, and it’s been smooth sailing since.