Java Log4j Logger - Programmatically Initialize JSON logger with customized keys in json logs
Introduction Java log4j has many ways to initialize and append the desired…
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How to Solve Spring Okta/Saml issue of SAML message intended destination endpoint did not match the recipient endpoint
Introduction I was trying to integrate Okta with Spring, and when I deploy the…
Spring - Learn Multiple Ways to use PackageScan Annotation
Introduction In this post, we will see multiple ways to use annotation…
Spring Boot - Fixing Autowire Bean Not found
Introduction In a Spring boot app, we tend to use annotation, so that Spring…
Understanding Zero-day Exploit of Log4j Security Vulnerability and Solution (CVE-2021-44228, CVE-2021-45046)
Introduction On 9th December 2021, an industry-wide vulnerability was discovered…
Java - Union and Intersection of two lists
Suppose you have two lists, and you want Union and Intersection of those two…
Eclipse/STS IDE showing compilation errors in java code inspite of all dependencies installed
I have a Java project and dependencies are being managed through maven. I have…
Linkage Error Loader Constraint Violation - JUnit test case development issue
Its good to write unit tests cases, and this part is mostly forgotten by…
How to mock a constructor - Junit test case development issues
While writing JUnit test cases, we encounter cases like we want to initialize a…