What Causes java.lang.OutOfMemoryError? Java.lang.OutOfMemoryError is a common error that can occur in a Java application. It occurs when the Java Virtual Machine (JVM) runs out of memory and is unable to allocate any more memory to the application. There are several … Read More
Technical Blogs
5 Common Errors You May See in Java Stack Traces and How to Avoid Them
5 Common Errors You May See in Java Stack Traces and How to Avoid Them 5 Common Errors You May See in Java Stack Traces Many different types of errors can occur in a Java application. The specific errors you … Read More
How to Monitor Non Heap Memory Using FusionReactor
How to Monitor Non-Heap Memory Using FusionReactor In order to monitor non-heap memory, we first need to understand what it is. Non-heap memory refers to native memory that the JVM uses for some of its operations. This memory is used … Read More
Alternatives to jstack and jcmd
Alternatives to jstack and jcmd Comparing jstack and jcmd with FusionReactor – see how much more you get In one of our previous blog post, we compared Java VisualVM with FusionReactor. Today we will look at alternatives to jstack and … Read More
Java Visualvm alternatives
What can FusionReactor (the Jvisual alternative) do that Java VisualVM can’t? This article compares both tools; which will work best for your use cases? … Read More
How to debug in production
How to debug in production Debugging in production has always been something that we try our best to avoid, with multiple QA phases, staging environments, and automation to stop production bugs. Despite this, occasionally a bug will find its way … Read More
Troubleshooting high CPU usage in Java environments
How to troubleshoot high CPU usage In this scenario, our CPU is spinning at an abnormally high rate. We will then take a look at FusionReactor and see how it picks up this issue. For the test environment, we are … Read More
Parse Variable Patterns using Regex
What is parsing? Parsing is a very important process when handling logs because it lets users filter logs in useful ways. Unstructured logs can easily be shared into attribute (key/value) pairs, which helps to create improved alerts and charts. There … Read More
How to Parse JSON data in JavaScript
Assuming that you’ve used a web app before, there is a strong possibility that it uses JSON format to create a framework, store and transmit data between its servers and connected devices. JavaScript Object Notation, which is popularly known as … Read More
FusionReactor 8.7.7 Released
FusionReactor 8.7.7 has been released. With enhancements including improved alert emails, SpringBoot fixes, and more. Enhancements to Crash Protection API and DB time can now be found in both the request log and Crash Protection emails, making it easier to … Read More
