Unit tests based on mockito fail with openjdk8 on Xenial

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Hi community !

Since yesterday we are having issues during Java builds on xenial environment.
Our TravisCI configuration has not changed since a while.
We use the openJDK 8 but some unit tests fail with the following error:

java.lang.IllegalStateException: Could not initialize plugin: interface org.mockito.plugins.MockMaker (alternate: null)
Caused by: java.lang.IllegalStateException: Failed to load interface org.mockito.plugins.MockMaker implementation declared in sun.misc.CompoundEnumeration@6107227e
Caused by: java.lang.IllegalStateException: Failed to load MockMaker implementation: mock-maker-inline
Caused by: java.lang.IllegalStateException: Internal problem occurred, please report it. Mockito is unable to load the default implementation of class that is a part of Mockito distribution. Failed to load interface org.mockito.plugins.MockMaker
Caused by: org.mockito.exceptions.base.MockitoInitializationException: 
Could not initialize inline Byte Buddy mock maker. (This mock maker is not supported on Android.)
Are you running a JRE instead of a JDK? The inline mock maker needs to be run on a JDK.
Java               : 1.8
JVM vendor name    : Private Build
JVM vendor version : 25.292-b10
JVM name           : OpenJDK 64-Bit Server VM
JVM version        : 1.8.0_292-8u292-b10-0ubuntu1~16.04.1-b10
JVM info           : mixed mode
OS name            : Linux
OS version         : 4.15.0-1098-gcp
Caused by: java.lang.IllegalStateException: No compatible attachment provider is available

Is there a change that affects Java builds on Xenial?

The build image provisioning date and time changed between successful and failed builds.
Latest successful build:

Build language: java
Build dist: xenial
Build id: 260625977
Job id: 595907204
Runtime kernel version: 4.15.0-1098-gcp
travis-build version: dcbd738d
Build image provisioning date and time
Mon Oct  3 09:51:07 UTC 2022

Failed build:

Build language: java
Build dist: xenial
Build id: 260662733
Job id: 596003619
Runtime kernel version: 4.15.0-1098-gcp
travis-build version: dcbd738d
Build image provisioning date and time
Tue Feb 14 12:33:43 UTC 2023

Below the Travis CI configuration:

dist: xenial

language: java

cache:
  directories:
    - "${HOME}/.m2"

jdk:
  - openjdk8