This week's Java roundup for October 3rd, 2022, features news from OpenJDK, JDK 20, Spring milestone updates, Eclipse Temurin 19, OmniFaces 4.0, PrimeFaces 12.0, Introducing OmniFish, Quarkus 2.13.1, Oracle joins Micronaut Foundation, Eclipse Vert.x 4.3.4, JobRunr 5.3, Apache Tomcat 9.0.68, Apache Camel 3.19, Apache Tika 2.5, ArchUnit 1.0 and conferences Devoxx Morocco and JAX London.
OpenJDK
Two JEP Drafts, 8294285, Pattern Matching for switch (Fourth Preview), and 8294078, Record Patterns (Second Preview), have been submitted by Gavin Bierman, programming language designer at Oracle. Under the auspices of Project Amber, These JEP drafts propose a fourth and second preview, respectively, of their corresponding predecessor JEPs that were delivered in JDK 19. Preview features allow for refinements based upon continued experience and feedback.
For JEP Draft 8294285, updates since JEP 427, Pattern Matching for switch (Third Preview), include: a simplified grammar for switch labels; and inference of type arguments for generic type patterns and record patterns is now supported in switch expressions and statements along with the other constructs that support patterns.
For JEP Draft 4294087, updates since JEP 405, Record Patterns (Preview), include: added support for inference of type arguments of generic record patterns; added support for record patterns to appear in the header of an enhanced for statement; and remove support for named record patterns.
JEP Draft 8294992, 64 bit object headers, was submitted by Roman Kennke, principal engineer at Amazon Web Services. Under the auspices of Project Lilliput, the JEP draft proposes to reduce the size of Java object headers from 96 or 128 bits to 64 bits. Project Lilliput, created by Kennke, marked a milestone 1 in May 2022 by achieving 64-bit headers.
JDK 20
Build 18 of the JDK 20 early-access builds was also made available this past week, featuring updates from Build 17 that include fixes to various issues. Further details on this build may be found in the release notes.
For JDK 20, developers are encouraged to report bugs via the Java Bug Database.
Spring Framework
On the road to Spring Cloud 2022.0.0, codenamed Kilburn, the fifth milestone release has been made available featuring updates to version 4, milestone 5 versions of Spring Cloud sub-projects such as Spring Cloud Consul, Spring Cloud Gateway, Spring Cloud OpenFeign and Spring Cloud Commons. Spring Cloud Netflix 4.0.0-M1 features a dependency upgrade to Eureka 2.0.0 that allows Spring Cloud Netflix to be compatible with the upcoming GA releases of Spring Framework 6.0 and Spring Boot 3.0. More details on this release may be found in the release notes.
Point and milestone releases of Spring Shell have been released to the Java community. Version 2.1.2 is built on Spring Boot 2.7.4 and back ports bug fixes. Notable changes in version 3.0.0-M1 include: a dependency upgrade to Spring Boot 3.x; support for GraalVM that is mostly complete; and Spring Shell is now built with Gradle. Further details on these releases may be found in the release notes for version 2.1.2 and version 3.0.0-M1.
On the road to Spring Batch 5.0.0, the seventh milestone release features: support to use any type as a job parameter; and improved conversion of job parameters. More details on this release may be found in the release notes.
Eclipse Temurin
The Adoptium Working Group has released Eclipse Temurin 19, their downstream distribution of OpenJDK 19.
OmniFaces
OmniFaces has released version 4.0 of their utility library for Faces that introduces a new method, addFacesScriptResource(), defined in the Components class to allow compatibility with Jakarta Faces 3.0 and 4.0. Breaking changes include minimal dependency upgrades to JDK 11 and Jakarta EE 9 specifications, namely Faces 3.0, Expression Language 4.0, Servlet 5.0, Contexts and Dependency Injection 3.0, Enterprise Web Services 2.0 and Bean Validation 3.0. Further details on this release may be found in the what's new document.
PrimeFaces
PrimeFaces 12.0.0 was released featuring numerous dependency upgrades to modules such as hibernate-validator 6.2.1.Final, tomcat.version 9.0.58, slf4j-api 1.7.33, mockito-core 4.2.0, hazelcast 4.2.4 and other Maven-related modules.
Introducing OmniFish
OmniFish, a new Jakarta EE consulting and support company, have introduced themselves to the Java community. Focusing on support for Jakarta EE, Eclipse GlassFish and Piranha Cloud, OmniFish has also joined the Jakarta EE Working Group as a participant member. Co-founders Arjan Tijms, Ondro Mihályi and David Matějček along with web engineer Bauke Scholtz, have many years of experience with GlassFish, Jakarta EE, Java application development and Java middleware production support. They are also leading members of the Eclipse GlassFish project. InfoQ will follow up with a more detailed news story.
Quarkus
Red Hat has released Quarkus 2.13.1.Final that ships with bug fixes and improvements in documentation. The SmallRye implementations of the MicroProfile OpenTracing and Metrics specifications have been deprecated due to changes in the MicroProfile specifications. More details on this release may be found in the changelog.
Micronaut
The Micronaut Foundation has announced that Oracle has joined the Micronaut Foundation as an Engineering Partner, a new program that "recognizes partner organizations that sponsor the full-time work of one or more members of the Micronaut framework core committer team, with a focus on the critical shared and common portions of the code base." Since 2020, Oracle has been providing open source contributions to Micronaut projects such as Micronaut AOT and Micronaut Serialization.
Eclipse Vert.x
In response to a number of reported issues in version 4.3.3, Eclipse Vert.x 4.3.4 has been released featuring fixes to those bugs along with documenting deprecations and breaking changes. There is also continued support for the virtual threads incubation project. Further details on this release may be found in the release notes.
Hibernate
Hibernate ORM 6.1.4.Final has been released featuring bug fixes and an enhancement in which an unnecessary multi-table insert is no longer generated upon executing an INSERT from a SELECT statement containing an assigned identifier.
JobRunr
JobRunr 5.3.0 has been released that ships with support for Kotlin 1.7.20, Spring Boot 3.0.0-M5 and the Spring Boot Context Indexer, a utility that allows for generating a Spring component index for faster startup times. More details on this release may be found in the release notes.
Apache Software Foundation
Apache Tomcat 9.0.68 has been released with notable bug fixes such as: a refactoring regression that broke JSP includes; and unexpected timeouts that appeared upon client disconnects when using HTTP/2 and NIO2. This release also includes an enforcement of RFC 7230, Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing, such that a request with a malformed content-length header should always be rejected with a 400 server response. Further details on this release may be found in the changelog.
Apache Camel 3.19.0 has been released that ships with 259 bug fixes, improvements and dependency upgrades that include: gRPC 1.48.1, Spring Boot 2.7.3, JUnit 5.9.x and Artemis 2.25.x. The hadoop-common module was upgraded to version 3.3.3 to address CVE-2022-26612, a vulnerability in which a TAR entry may create unresolved symlinks that point to an external directory under the expected extraction directory. More details on this release may be found in the release notes.
Apache Tika 2.5.0 released featuring: improved extraction of PDF subset information for PDF/UA, PDF/VT and PDF/X; avoid an infinite loop in bookmark extraction from PDFs; and enable the configuration of digests through the AutoDetectParserConfig class. Further details on this release may be found in the release notes. As of September 30, 2022, the Apache Tika 1.x release train has reached its End of Life and is no longer supported.
ArchUnit
TNG Technology Consulting has released version 1.0.0 of ArchUnit, an open-source extensible library for checking the architecture of Java code by checking dependencies between packages and classes, layers and slices, and checking for cyclic dependencies. Enhancements in this release include: ignored rules defined in the archunit_ignore_patterns.txt file no longer populate an instance of the ViolationStore interface in conjunction with the FreezingArchRule class. There are breaking changes due to renaming numerous "getter" methods to remove any ambiguities. InfoQ will follow up with a more detailed news story.
JHipster
JHipster Lite 0.17.0 has been released that ships with bug fixes, enhancements and dependency upgrades that include modules: keycloak 19.0.3, mongodb 1.17.5, react-hook-form 7.37.0 and vite 3.1.6.
Conferences
Devoxx Morocco 2022 was held at the Hilton Taghazout Bay Beach Resort & Spa, Taghazout in Agadir, Morocco, this past week featuring many speakers from the Java community who presented on tracks such as: Java & Programming Languages; Architecture & Security; Devops, Cloud, Containers & Infrastructure; and Data & AI.
Similarly, Jax London 2022 was held at the Business Design Centre in London, England, this past week featuring many speakers from the Java community who presented sessions and workshops.