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Java News Roundup - Week of March 8th, 2021
A quick roundup of stories from around the Java ecosystem in the week of March 8th.
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The Benefits of Nostalgia: Q&A with Linda Rising
Remembering the past can bring about benefits; nostalgic reflection can make us more optimistic. Looking back leads us to feel there is meaning and purpose in our lives which enables us to better navigate the future and help us move forward.
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ORMs for .NET Core
With EF Core struggling to accommodate basic database features such as views and stored procedures, developers are looking elsewhere for their data access needs. Here are some of the more popular options.
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Apache OpenWebBeans Releases Meecrowave Server Version 1.0 for Java EE-Based Microservices
Apache OpenWebBeans recently released version 1.0.0 of their Meecrowave project, a microservices server built on top of existing Apache projects utilizing servlets, CDI, JSON-P and JSON-B, and JAX-RS. Meecrowave may be used for microservices and standalone applications.
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Vulnerability in Java Reflection Library Fixed after 30 Months
In July 2013 Security Explorations discovered a vulnerability in Java by which attackers could elevate their access privileges. Oracle released a patch, but a simple modification was discovered that still makes the attack effective. Once known, Oracle released a patch as part of 8u77. In this article we investigate the little understood class loading process at the heart of the problem.
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Simplifying Database Queries with Jinq
Jinq, a library to provide a DSL for database queries, has been made available for Java and Scala. The work is inspired by .NET's LINQ, and aims at enabling easy-to-write queries with support for type safety. As commented by Ming-Yee Iu, creator of the tool, work on Jinq started in 2006 under project name Queryll; however, the adoption of lambdas in Java 8 is what has realised its full potential.
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Stephen Colebourne/OpenGamma Release ElSql V 1.1
Stephen Colebourne and OpenGamma released v1.1 of ElSql, a library and DSL for managing SQL in external files. Colebourne is well known for his work as the spec lead of Java Time, a cornerstone of last year's Java 8 release, and for his creation of the Joda Time and Joda Money API's.
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Designing and Storing Aggregates in Domain-Driven Design
Creating and working with well-designed aggregates is one of the least well understood tactical patterns found in Domain-Driven Design, Vaughn Vernon explains in two articles giving some guidelines to composing aggregate boundaries and alternatives to an ORM when storing them.
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Catalyzing Change with a Kanban Flow Manager
When organization use kanban mainly for visualization of the work they may be missing out on benefits, says Matthew Philip. Introducing a flow manager role can help teams to reflect and find solutions to the problems that they are facing, thus catalyzing change in the organization.
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Spring Data Release Train - Spring 4.0, Limiting Queries, SpEL, ALPS
Spring Data release train Evans is now generally available. The release train includes 11 Spring Data modules that help developers build data access layers on top of both relational and non-relational data stores.
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You Are Using the ORM the Wrong Way
When teams abandons an Object-Relational Mapper, ORM, it is often due to bad usage Jimmy Bogard stated in a recent presentation highlighting what he sees as incorrect and correct ways of using an ORM, including mapping and querying problems.
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NHibernate Lets Go of Iesi.Collections, Improves Support for SQL Server 2012
NHibernate 4.0 GA has been released. It comes with .NET 4.0 support, moving away from the Iesi.Collections library, and also supports some SQL Server 2012 features such as sequences and Query Paging.
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OSGi Release 6 Specifications add Data Transfer Objects and Versioning Annotations
At last month's OSGi DevCon in New York, the OSGi Alliance released OSGi Core Release 6. This adds a standard for representing Data Transfer Objects and a way of annotating interfaces indicating whether they are supposed to be implemented or used by clients. In addition, an osgi.native namespace and extension bundle activators have been added; read on to find out more.
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Rails 4.1 Improves Boot Time and Responsive Layouts
Rails 4.1 can now preload your application to improve startup time and comes with improvements for Action Pack, Active Record, and Action Mailer.
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Having Actions Done from Retrospectives
Agile retrospectives help teams to find and do actions to improve continuously. There are different ways to do follow up on the actions and to evaluate if actions are leading to better team performance and more value delivered to customers.