Using JDK from /usr/lib/jvm/java-19-openjdk to build JabRef.
Downloading https://services.gradle.org/distributions/gradle-7.6-bin.zip
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Welcome to Gradle 7.6!

Here are the highlights of this release:
 - Added support for Java 19.
 - Introduced `--rerun` flag for individual task rerun.
 - Improved dependency block for test suites to be strongly typed.
 - Added a pluggable system for Java toolchains provisioning.

For more details see https://docs.gradle.org/7.6/release-notes.html

To honour the JVM settings for this build a single-use Daemon process will be forked. See https://docs.gradle.org/7.6/userguide/gradle_daemon.html#sec:disabling_the_daemon.
Daemon will be stopped at the end of the build 
> Task :buildSrc:compileJava
> Task :buildSrc:compileGroovy
> Task :buildSrc:processResources NO-SOURCE
> Task :buildSrc:classes
> Task :buildSrc:jar
> Task :buildSrc:assemble
> Task :buildSrc:compileTestJava NO-SOURCE
> Task :buildSrc:compileTestGroovy NO-SOURCE
> Task :buildSrc:processTestResources NO-SOURCE
> Task :buildSrc:testClasses UP-TO-DATE
> Task :buildSrc:test NO-SOURCE
> Task :buildSrc:check UP-TO-DATE
> Task :buildSrc:build

> Configure project :
Project : => 'org.jabref' Java module

> Task :generateBibtexmlSource
> Task :generateBstGrammarSource
> Task :generateCitaviSource
> Task :generateEndnoteSource
> Task :generateMedlineSource
> Task :generateModsSource
> Task :generateSearchGrammarSource
> Task :generateSource
> Task :compileJava
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

> Task :processResources
> Task :classes
> Task :jar
> Task :startScripts
> Task :distTar
> Task :distZip
> Task :assemble

Deprecated Gradle features were used in this build, making it incompatible with Gradle 8.0.

You can use '--warning-mode all' to show the individual deprecation warnings and determine if they come from your own scripts or plugins.

See https://docs.gradle.org/7.6/userguide/command_line_interface.html#sec:command_line_warnings

BUILD SUCCESSFUL in 3m 4s
16 actionable tasks: 16 executed