Public bug reported:
Here is another regression from the new packages in Bionic proposed-
updates:
$ apksigner
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError:
com/android/apksigner/ApkSignerTool has been compiled by a more recent version
of the Java Runtime (class file version 55.0), this version of the Java Runtime
only recognizes class file versions up to 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)
I'm using OpenJDK 8 here.
This will be affecting the publishing of Android apps. ApkSigner is the
tool you use for signing the Application Archives.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: apksigner 0.8-2~18.04
ProcVersionSignature: Ubuntu 4.18.0-17.18~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-17-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Mar 21 20:00:32 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-21 (1063 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
SourcePackage: android-platform-tools-apksig
UpgradeStatus: Upgraded to bionic on 2018-04-26 (328 days ago)
** Affects: android-platform-tools-apksig (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic package-from-proposed
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https://bugs.launchpad.net/bugs/1821235
Title:
java.lang.UnsupportedClassVersionError:
com/android/apksigner/ApkSignerTool has been compiled by a more recent
version of the Java Runtime (class file version 55.0), this version of
the Java Runtime only recognizes class file versions up to 52.0
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