It appears when an unhandled runtime exception occurs, causing the application to halt. Many ASP.NET developers have encountered the ASP.NET error page (also called the “yellow screen of death”). However, we’ll show below how tools like Loggly make it easier with features such as aggregating across multiple servers and more comprehensive search. You can also manage your logs using the Windows event viewer as shown in the section on searching. While the specific problems in your own application might be different, you can apply these techniques to debug problems in your own production application.įor monitoring, we added application logging via Log4Net, Windows, and IIS logging via NXLog, and shipped the logs to SolarWinds ® Loggly ®, a cloud-based log management solution. We’ll look at resolving exceptions, failed transactions, and memory usage. Now, let’s look at several common troubleshooting techniques using an open-source ASP.NET MVC application created by Microsoft MVP Syed Shanu.
Create a fix that not only resolves the problem, but does so without introducing new problems. Find and implement a permanent solution.Repeat the user’s actions, search logs for relevant events, and use debugging tools to locate the problem in your code. Use details in your diagnostic data to find out where and why the problem occurred. Collect diagnostic data that might be relevant to the problem, such as logs, stack traces, and bug reports. Resolving an application problem typically involves these steps: The longer these problems go untreated, the more likely your users will abandon your service for a competitor’s. Debugging Application ProblemsĪpplication problems can result in poor performance, unreliability, and increased downtime. While manually reading logs can work for smaller applications, large applications can generate thousands of events per second, making manual analysis impossible. Logs can also provide insights on trends in application behavior. They contain important troubleshooting data including error messages, stack traces, and memory dumps. If your application has a problem, logs can identify the cause and help you find a solution.
Logs play a key role in root cause analysis. NET Core.) We’ll also show how to analyze your logs using various tools-and why log analysis tools should be part of every developer’s toolkit. NET application troubleshooting and debugging (Note the samples in this section are based on the standard. In this section, we’ll explain the role logs play in. Python Logging Libraries and Frameworks.Analyzing and Troubleshooting Python Logs.
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