A quick and practical guide to some common exceptions that can occur while working with encryption in Java.
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Java Weekly, Issue 470
Pattern matching, GraalVM into OpenJDK, transactional MDC, event sourcing, and Postgres as a Message Queue!
Errors and Exceptions in Java
Explore the differences between errors and exceptions in the Java ecosystem.
Java Weekly, Issue 466
Spring Boot 3, from 1RPS to 26RPS, caching effect, K8S secrets, and unusual stack traces!
Choosing the Right Java Collection
Explore all collection interfaces and collection classes in the Java library.
Enum Mapping in Spring Boot
Explore different ways to implement case-insensitive enum mapping in Spring Boot.
Java Weekly, Issue 465
Spring 6, Quarkus Jakarta EE migration, Kotlin on RaspberryPi, REST API over database schema, and logical replication.
SpringRunner vs MockitoJUnitRunner
Learn the key differences between SpringRunner and MockitoJUnitRunner and understand their purpose.
Apache Camel Exception Handling
Learn how to handle exceptions in our routes using Apache Camel.
Can a Java Application Use More Memory Than the Heap Size?
Learn how to restrict the total memory usage in Java.
Understanding java.lang.Thread.State: WAITING (parking)
Learn what waiting and parking mean for a thread.
Java Weekly, Issue 459
Sequenced collections, loom and spring, better Criteria API, Apache InLong, Zally, and API standardization.
Dealing with “java.lang.OutOfMemoryError: PermGen space” Error
Explore the purpose of PermGen memory and the main difference with heap memory.
Insert Array Inside an Object in MongoDB
Learn how to insert an array into a MongoDB object.
Diving Deeper with Lightrun
A deep dive into Lightrun features and how to make the best use of them in our applications.
What Is “Locked Ownable Synchronizers” in Thread Dump?
What are locked ownable synchronizers and how to read a thread dump using them.
Integer.toString() vs String.valueOf() in Java
Learn about the Integer.toString() and String.valueOf() methods.
Java Weekly, Issue 449
Parallel GC, DB sequences for Spring Data JDBC, multitenancy with Hibernate, feature flags, and durability in message queues!
Spring Boot – Keycloak Integration Testing with Testcontainers
A step by step guide to test the authentication of a Spring Boot app using Keycloak
Java Weekly, Issue 445
The cost of logging, becoming an open-source committer, and a quick piece about why HTTP3 is fast. A quick and to-the-point week 🙂