Bug#1053047: kryo-serializers: FTBFS with default Java 21

[Vladimir Petko]

Source: kryo-serializers
Severity: important
Tags: ftbfs
User: debian-java at lists.debian.org
Usertags: default-java21
X-Debbugs-Cc: vladimir.petko at canonical.com

Dear Maintainers,

The package kryo-serializers ftbfs with default Java 21.
The relevant part of the build log:
---------------
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] Running TestSuite
[ERROR] Tests run: 81, Failures: 1, Errors: 0, Skipped: 80, Time elapsed: 0.652 s <<< FAILURE! - in TestSuite
[ERROR] beforeTest(de.javakaffee.kryoserializers.cglib.CGLibProxySerializerTest)  Time elapsed: 0.256 s  <<< FAILURE!
java.lang.RuntimeException: java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.lang.Object[] java.util.Arrays$ArrayList.a accessible: module java.base does not "opens java.util" to unnamed module @349011d5
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.lang.Object[] java.util.Arrays$ArrayList.a accessible: module java.base does not "opens java.util" to unnamed module @349011d5

[INFO] 
[INFO] Results:
[INFO] 
[ERROR] Failures: 
[ERROR]   CGLibProxySerializerTest.beforeTest » Runtime java.lang.reflect.InaccessibleOb...
[INFO] 
[ERROR] Tests run: 49, Failures: 1, Errors: 0, Skipped: 48
[INFO] 
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  10.859 s
[INFO] Finished at: 2023-05-04T13:20:54Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.22.3:test (default-test) on project kryo-serializers: There are test failures.
[ERROR] 
[ERROR] Please refer to /<<PKGBUILDDIR>>/target/surefire-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
dh_auto_test: error: /usr/lib/jvm/default-java/bin/java -noverify -cp /usr/share/maven/boot/plexus-classworlds-2.x.jar -Dmaven.home=/usr/share/maven -Dmaven.multiModuleProjectDirectory=/<<PKGBUILDDIR>> -Dclassworlds.conf=/etc/maven/m2-debian.conf -Dproperties.file.manual=/<<PKGBUILDDIR>>/debian/maven.properties org.codehaus.plexus.classworlds.launcher.Launcher -s/etc/maven/settings-debian.xml -Ddebian.dir=/<<PKGBUILDDIR>>/debian -Dmaven.repo.local=/<<PKGBUILDDIR>>/debian/maven-repo --batch-mode test returned exit code 1
---------------


-- System Information:
Debian Release: bookworm/sid
  APT prefers lunar-updates
  APT policy: (500, 'lunar-updates'), (500, 'lunar-security'), (500, 'lunar'), (100, 'lunar-backports')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.2.0-33-generic (SMP w/32 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled