Explained: CICS Error Handling

A CICS transaction reads a customer record. The record does not exist. The program does not check the response code. It continues with uninitialised Working Storage, writes garbage to a VSAM file, and returns a confirmation to the screen. The customer's record is now corrupt. Nobody knows yet. Error handling in CICS is not optional. Every CICS command can fail. Files return `NOTFND`. DB2 returns lock timeouts. Programs abend with `ASRA`. The … Read More

Spring MVC - How to handle errors from a controller?

In a web application, it is very important to handle errors. Proper error handling would protect the application from several vulnerabilities, including Security Misconfiguration . In this post, you will see how you can handle exceptions that arise out of a Spring MVC based application. Read More