Ashraf Sarhan

With over 8 years of experience in the field, I have developed and maintained large-scale distributed applications for various domains, including library, audio books, and quant trading. I am passionate about OpenSource, CNCF/DevOps, Microservices, and BigData, and I constantly seek to learn new technologies and tools. I hold two Oracle certifications in Java programming and business component development.

Java
Ashraf SarhanAugust 28th, 2025
0 937
PostgreSQL LISTEN/NOTIFY Events Example
1. Introduction In modern applications, real-time responsiveness is no longer optional. For developers working with Java and PostgreSQL, one of…
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Core Java
Ashraf SarhanAugust 28th, 2025
0 250
Spring JDBC IncorrectResultSetColumnCountException: Incorrect column count Fix
1. Overview When working with Spring JDBC, one common issue developers face is the spring.jdbc.IncorrectResultSetColumnCountException. This exception occurs when the…
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Enterprise Java
Ashraf SarhanAugust 27th, 2025
0 538
Spring Boot Apache Camel ProducerTemplate Example
1. Overview When working with Spring Boot Apache Camel ProducerTemplate, you gain a powerful way to send messages programmatically into…
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Enterprise Java
Ashraf SarhanMay 14th, 2025
0 472
Spring Boot HashiCorp Vault Reload SSL Certificates Example
1. Overview In modern microservices architectures, managing SSL certificates securely and efficiently is critical. This guide explains how to use…
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Java
Ashraf SarhanMay 14th, 2025
0 852
Java Yauaa User Agent Parsing Example
1. Overview User agent parsing is essential for tailoring user experiences based on the type of device, browser, or operating…
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Java
Ashraf SarhanMay 8th, 2025
0 555
Using Java Flight Recorder (JFR) in Quarkus
1. Introduction to Java Flight Recorder in Quarkus Setup Monitoring and profiling Java applications is essential for ensuring performance and…
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Ashraf SarhanJanuary 2nd, 2025
0 1,454
How to Publish Maven Artifacts to GitHub Packages
GitHub Packages is a versatile platform for hosting your project’s dependencies and artifacts. It seamlessly integrates with GitHub repositories, making…
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Core Java
Ashraf SarhanDecember 5th, 2024
0 969
Processing JDBC ResultSet with Stream API
Java’s Stream API, introduced in Java 8, is an incredibly powerful tool for handling collections of data in a functional…
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Java
Ashraf SarhanJune 11th, 2024
0 520
Intro to Gradle Lint Plugin
Overview Maintaining clean, efficient, and maintainable build scripts is essential for any project that uses Gradle. The Java Gradle Lint…
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Thank you!