Troubleshooting HTTP 502 bad gateway in AWS EBS 

The application that we are going to discuss in this post was running on Elastic Beanstalk (EBS) service in Amazon Web Services (AWS). Intermittently this application was throwing HTTP 502 Bad Gateway error. In this post, let’s discuss how we troubleshooted and resolved this HTTP 502 bad gateway error in Elastic Beanstalk service. AWS Elastic... Continue Reading →

“Learn yCrash” series

The industry has seen cutting-edge Application Performance Monitoring tools and infrastructure monitoring tools. These monitoring tools are great at answering the question: 'What is the problem?'' but not, Why does the problem happen? yCrash attempts to answer this question. It captures 360-degree artifacts from your technology stack such as Garbage collection logs, thread dumps, heap dumps,... Continue Reading →

Chaos Engineering – Thread Leak

In the series of chaos engineering articles, we have been learning to simulate various performance problems. In this post, let's discuss how to simulate thread leaks. 'java.lang.OutOfMemoryError: unable to create new native thread' will be thrown when more threads are created than the memory capacity of the device. When this error is thrown, it will... Continue Reading →

Chaos Engineering – Deadlock

In the series of chaos engineering articles, we have been learning to simulate various performance problems. In this post, let's discuss how to simulate deadlock. What is Deadlock? Deadlock is prone in multi-threaded applications. The technical definition of a 'Deadlock' goes like this: Deadlock is a situation where a set of processes are blocked because... Continue Reading →

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