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Enabling Remote Work. Small and Medium Business. Img 7, Second-chance exception crashing w3wp. If you notice the time-stamp in the capture above, it corresponds to a Warning event from WAS in the System log, telling that the worker process did not respond Img 2.
Remember that I said WAS is creating the worker processes, w3wp. It has to know if the worker process is healthy, if it can still serve requests. Of course, WAS is not able to know everything about the health of a w3wp. But at least it can send pings to that process. Illustrating with the Advanced Settings of an application pool, WAS is sending pings to its instances of w3wp.
For each ping, the w3wp. If no ping response is received, WAS concludes that the process is dead: a crash or hang happened — no process thread is available to respond to the ping. Notice that we also have other time limits too that WAS is looking on. Img 8, Setting process pings from WAS to w3wp. In such cases, look in the custom logging solution of the web application, if it has one.
Of course, we would need to reproduce the steps triggering the bad behavior, when using the debugger. We can even tell that debugger to collect some more context around the exceptions, not just the exceptions itself. We could collect the call stacks or memory dumps for such context. One such debugging tool is the command-line ProcDump. It does not require an installation; you only need to run it from an administrative console.
Debug Diag is better suited to troubleshoot IIS applications. Both Debug Diag and Proc Dump are free tools from Microsoft, widely used by professionals in troubleshooting.
A lot of content is available on the Web on how to use these. Aside : Just in case you are wondering what I use to capture screenshots for illustrating my articles, check out this little ShareX application in Windows Store. Evoq Content. Content Management System. Test Drives. Content Management. DNN Partners. Partner Directory. Ask a Question.
DNN Store. Ask a Question Forums. New Community Website Ordinarily, you'd be at the right spot, but we've recently launched a brand new community website Application pool just… Stopping. A lot. KayEye KayEye 2 2 silver badges 11 11 bronze badges. In my case Application Pool stopped automatically because of the log files does not have space. Gaurravs 3, 12 12 gold badges 20 20 silver badges 32 32 bronze badges. Lakshmi Murugavadivelu Lakshmi Murugavadivelu 1. It is working for my case then. Robert Lindgren Sandip Parmar Sandip Parmar 1.
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