Why Does Pageable Return 0 Instead of Error When Page Number Exceeds Int Range?

Analysis of why Spring Boot Pageable converts page values exceeding int range to 0 and its internal behavior.

Sep 23, 2024 Issue

Implementing Flyway for Tibero and Open Source Contribution

Sharing the experience of implementing Flyway migration tool for Tibero database and contributing to open source.

Sep 7, 2024 Programming, Database

Swap Memory Check Issues and Error Logging

Sharing the analysis of swap memory related errors on AWS spot instances and debugging process through CloudWatch logging.

Aug 23, 2023 Issue

Unexpected Termination of Spot Instances in AutoScaling Group

Analysis of the causes and countermeasures for unexpected spot instance termination in AWS AutoScaling Group.

Jul 13, 2023 Issue

AWS-CLI MFA Renewal Automation Script

Sharing how to write a shell script that automates MFA authentication across multiple AWS regions. Solves the hassle of repeated authentication when using AWS CLI.

Apr 3, 2023 Programming, SHELL

Checking Real-time Swap Memory with JShell

Introducing how to monitor real-time swap memory status of servers using JShell.

Mar 10, 2023 Programming, Java

Chrome Not Returning 304 Status in Not-Modified Situations

Analyzing the cause and solution for Chrome browser not returning 304 Not Modified when using Cache-Control and ETag caching.

Feb 13, 2023 Issue

Considerations on Exception Creation

Reflections on when and how to create Exceptions in Java. Discusses fillInStackTrace costs and exception handling strategies.

Jan 27, 2023 Programming, Java