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InfoQ Homepage News Java News Roundup: Java Turns 28, Payara Platform, Micronaut 4.0-M5, Spring Updates, JHipster Lite

Java News Roundup: Java Turns 28, Payara Platform, Micronaut 4.0-M5, Spring Updates, JHipster Lite

This week's Java roundup for May 22nd, 2023, features news from OpenJDK, JDK 21, Spring Cloud 2022.0.3, Spring Shell 3.1.0, 3.0.4 and 2.1.10, Spring Security Kerberos 2.0-RC2, Payara Platform, Quarkus 3.0.4 and 2.13.8, WildFly 28.0.1, Micronaut 4.0-M5, Helidon 2.6.1, MicroStream 8.1.0, Apache Camel 3.20.5, JDKMon 17.0.61, JHipster Lite 0.33.0, Java's 28th Birthday and Azul State of Java survey.


JEP 451, Prepare to Disallow the Dynamic Loading of Agents, has been promoted from Candidate to Proposed to Target for JDK 21. Originally known as Disallow the Dynamic Loading of Agents by Default, and following the approach of JEP Draft 8305968, Integrity and Strong Encapsulation, this JEP has evolved from its original intent to disallow the dynamic loading of agents into a running JVM by default to issue warnings when agents are dynamically loaded into a running JVM. Goals of this JEP include: reassess the balance between serviceability and integrity; and ensure that a majority of tools, which do not need to dynamically load agents, are unaffected. The review is expected to conclude on May 31, 2023. InfoQ will follow up with a more detailed news story.

In response to numerous questions about the design philosophy of the exhaustiveness checking in pattern switch, Brian Goetz, Java language architect at Oracle, and Gavin Bierman, consulting member of technical staff at Oracle, have published a document detailing the connection between the properties of unconditionality, exhaustiveness and remainder.

JDK 21

Build 24 of the JDK 21 early-access builds was also made available this past week featuring updates from Build 23 that include fixes to various issues. Further details on this build may be found in the release notes.

For JDK 21, developers are encouraged to report bugs via the Java Bug Database.

Spring Framework

The release of Spring Cloud 2022.0.3, codenamed Kilburn, delivers compatibility with Spring Boot 3.1 and updates to Spring Cloud sub-projects such as: Spring Cloud OpenFeign 4.0.3, Spring Cloud Commons 4.0.3, Spring Cloud Kubernetes 3.0.3 and Spring Cloud Starter Build 2022.0.3. There are, however, breaking changes with the removal of sub-projects: Spring Cloud CLI, Spring Cloud for Cloud Foundry and Spring Cloud Sleuth. More details on this release may be found in the release notes.

Versions 3.1.0, 3.0.4 and 2.1.10 of Spring Shell have been released featuring notable fixes such as: an instance of the ConfirmationInput class does not show the option selected when typing; and having target method argument as a boolean argument fails if the @Option or @ShellOption annotations are not used. These versions build upon Spring Boot versions 3.1.0, 3.0.7 and 2.7.12, respectively. Further details on these releases may be found in the release notes for version 3.1.0, version 3.0.4 and version 2.1.10.

The second release candidate of Spring Security Kerberos 2.0.0 features a dependency upgrade to Spring Security 6.1.0. More details on this release may be found in the release notes.


Payara has released their May 2023 edition of the Payara Platform that includes Community Edition 6.2023.5, Enterprise Edition 6.2.0 and Enterprise Edition 5.51.0. All three versions feature resolutions to: address CVE-2023-1370, a vulnerability in which the unregulated recursive parsing of JSON nested arrays and objects in Json-smart, a JSON processor library, may lead to a stack overflow and crash the software; and the exception "JVM option${ } already exists in the configuration" upon creating JVM option using Web UI. There were also dependency upgrades to: Jackson 2.15.0, SnakeYAML 2.0, JSON Smart 2.4.10 and Docker Image for JDKs 8u372, 11.0.19, and 17.0.7. Further details on these versions may be found in the release notes for Community Edition 6.2023.5, Enterprise Edition 6.2.0 and Enterprise Edition 5.51.0.


Quarkus 3.0.4.Final, the third maintenance release (version 3.0.1 was the initial release), provides improvements in documentation and notable bug fixes such as: failed native image builds when the quarkus.package.output-directory property is set; a "No current injection point found" error when using a @ConfigMapping in conjunction with an onStartup() method; and fix location and content location headers in RestEasy Reactive. More details on this release may be found in the changelog.

Similarly, Quarkus 2.13.8 was also released with notable bug fixes, many of them backports, such as: a fix for the warning message quarkus.oidc.application-type=service; encrypt the OIDC session cookie value by default; filter out RESTEasy-related warning related to an Apache HTTP Client not being closed in the ProviderConfigInjectionWarningsTest class; and a recent Netty version update that introduced warnings while building a native image of MongoDB Client. Further details on this release may be found in the release notes.


WildFly 28.0.1 has been released featuring dependency upgrades and notable bug fixes such as: the testContextPropagation() test defined in the ContextPropagationTestCase class will occasionally fail when using Long Running Actions; a deployable, yet non-functional QS app on OpenShift resulting from an update to Helm Charts in todo-backend, a quickstart for backend deployment on OpenShift; and the isExpired() method defined in the ExpirationMetaData interface does not conform to the logic in the LocalScheduler class.


On the road to version 4.0, the Micronaut Foundation has released Micronaut 4.0.0-M5 featuring numerous dependency upgrades and improvements such as: add @BootstrapContextCompatible, an annotation indicating that a bean can be loaded into the Bootstrap Context, to JSON message readers; the ability to disable SLF4J initialization when Micronaut environments are used in Micronaut OpenAPI; and use the bean definition type for unexpected duplicate beans in custom singleton-like scope based on the AbstractConcurrentCustomScope class. More details on this release may be found in the release notes.


Oracle has released Helidon 2.6.1 with dependency upgrades and notable changes such as: update the isReleased() method defined in the ByteBufDataChunk class to use an instance of the AtomicBoolean class to prevent race conditions that may call the release callback more than once; add the @Target(ElementType.METHOD) annotation for the @MPTest annotation to specify a specific target; and fixes for the overloaded create() methods defined in the WritableMultiPart class. Further details on this release may be found in the release notes.


The release of MicroStream 8.1.0 delivers integration with Quarkus 3 and a fix for which the Stream API doesn't unload as expected when using the Lazy Collections API.

The Micronaut team has also introduced the Quarkus Extension for MicroStream that allows accessing the functionality of MicroStream in Quarkus applications through the use of annotations.

Apache Camel

Apache Camel 3.20.5 has been released featuring bug fixes, dependency upgrades and improvements, primarily in the camel-jbang module, such as the ability to: load YAML files that only define Java beans; use a filename to generate the ID of a route when creating a Camel file in the XML DSL with camel-jbang; and run camel-jbang from an empty folder and then reload when new files are added. More details on this release may be found in the release notes.


Version 17.0.61 of JDKMon, a tool that monitors and updates installed JDKs, has been made available this past week. Created by Gerrit Grunwald, principal engineer at Azul, this new version: adds a property to the file to disable notifications; and provides fixes to issues related to detected CPU architectures and multiple builds of the same JDK version.


The JHipster team has released version 0.33.0 of JHipster Lite with many dependency upgrades and notable changes such as: sharing module properties between landscape and patch screens; a fix on native hints for the integration of JGit; and the addition of the DestroyRef provider. Further details on this release may be found in the release notes.

Happy 28th Birthday, Java!

Java turned 28 years old this past week as the language was introduced at the SunWorld 1995 conference on May 23, 1995. The Java developer relations team at Oracle celebrated with a 28 Hours of Java event hosted by Ana Maria Mihalceanu, Nicolai Parlog and Sharat Chander. Topics included: live coding and exploration, presentations, conversations with Java luminaries, and fun games. This was the agenda:

This special event was live-streamed on the Java YouTube channel.

Developer Surveys

Azul has launched their State of Java survey in which the areas of study include: OpenJDK distributions and Java versions developers are using; Java-based infrastructures and languages; and Java applications running in public clouds. The survey closes on June 15, 2023.

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