Selaka PiumalHow to construct complex payloads using the freeMarker template engine in Wso2 MI?In this blog, I’m going to discuss an easy way that we can use to construct some complex payloads in WSO2 MI and APIM. For that, I’m going…Feb 28Feb 28
Selaka PiumalNative Memory Tracking in a java based applicationIn this blog, I’m going to discuss native memory tracking (NMT), which we can use to isolate any abnormal memory growing up at the VM…May 19, 20232May 19, 20232
Selaka PiumalIterate and Aggregate with WSO2 Micro IntegratorIn this blog, I’m going to discuss a custom integration project which is a commonly use case when aggregating the responses from multiple…May 17, 2023May 17, 2023
Selaka PiumalJava Log Monitor to CAPTURE EVENTS and DO OPERATIONSIn this blog, I’m going to discuss a solution that I have used to overcome a difficulty I have faced.May 16, 2023May 16, 2023
Selaka PiumalJAVA HTTP/S backend without frameworksUnder this topic, I’m going to discuss an HTTP/S backend (BE) in JAVA language which is very helpful in various troubleshooting sessions.Apr 1, 2023Apr 1, 2023
Selaka PiumalHigh CPU Case Study in an API Management Tool (JAVA based)In this blog, I’m going to discuss about a case study where we identify an intermittent high CPU issue in an API management tool.Mar 22, 2023Mar 22, 2023
Selaka PiumalHow to analyze a slowness/performance issue using thread dumps In a java application?In this blog, I’m going to discuss the way that we can find the cause of slowness/performance issues in a java application. For a…Jul 15, 2022Jul 15, 2022
Selaka PiumalMatching SSL Certificate Can Not FindIn this blog, I’m going to discuss an error that we can see very often in SSL communication. I will use WSO2 APIM [1] as my application.Jul 11, 2022Jul 11, 2022
Selaka PiumalHow to analyze java thread blocking scenario using JFRIn this blog, I’m going to discuss a troubleshooting approach for the java thread blocking issue using JFR. In this discussion, I’m using…Jul 10, 2022Jul 10, 2022
Selaka PiumalHow to Troubleshoot High CPU usage Issues in Wso2 APIMIn this blog, I’m going to discuss a troubleshooting method for high CPU in wso2 APIM. If you understood the basic concepts of this…Jul 9, 2022Jul 9, 2022