Noticed that there is a 'net.properties' in both /etc/java-8-openjdk: and /etc/java-11-openjdk:
==== /etc$ ls java* java: security java-10-oracle: conf java-11-openjdk: accessibility.properties net.properties sound.properties jvm-amd64.cfg psfontj2d.properties swing.properties logging.properties psfont.properties.ja management security java-8-openjdk: accessibility.properties jvm-amd64.cfg psfontj2d.properties calendars.properties jvm-i386.cfg psfont.properties.ja content-types.properties logging.properties security flavormap.properties management sound.properties images net.properties swing.properties java-8-oracle: security === gnace@gn-limbo:/etc$ ls -l java*/net.properties -rw-r--r-- 1 root root 4464 Aug 24 2018 java-11-openjdk/net.properties -rw-r--r-- 1 root root 4464 Jul 23 2018 java-8-openjdk/net.properties gnace@gn-limbo:/etc$ diff java*/net.properties 6c6 < # on the command line or set programmatically. --- > # on the command line or set programatically. 14c14 < # Note that the system properties that do explicitly set proxies --- > # Note that the system properties that do explicitely set proxies gnace@gn-limbo:/etc$ === -- You received this bug notification because you are a member of OpenJDK, which is subscribed to openjdk-8 in Ubuntu. https://bugs.launchpad.net/bugs/1806265 Title: package openjdk-8-jre-headless 8u181-b13-1ubuntu0.18.04.1 failed to install/upgrade: trying to overwrite shared '/etc/java-8-openjdk/security/java.security', which is different from other instances of package openjdk-8-jre-headless:amd64 Status in openjdk-8 package in Ubuntu: New Bug description: Package crash on automated install. ProblemType: Package DistroRelease: Ubuntu 18.04 Package: openjdk-8-jre-headless 8u181-b13-1ubuntu0.18.04.1 ProcVersionSignature: Ubuntu 4.15.0-42.45-generic 4.15.18 Uname: Linux 4.15.0-42-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7.5 AptOrdering: openjdk-8-jdk:amd64: Install openjdk-8-jdk-headless:amd64: Install openjdk-8-jre:amd64: Install openjdk-8-jre-headless:amd64: Install NULL: ConfigurePending Architecture: amd64 Date: Wed Nov 28 06:37:25 2018 DuplicateSignature: package:openjdk-8-jre-headless:8u181-b13-1ubuntu0.18.04.1 Unpacking openjdk-8-jre-headless:amd64 (8u191-b12-0ubuntu0.18.04.1) over (8u181-b13-1ubuntu0.18.04.1) ... dpkg: error processing archive /var/cache/apt/archives/openjdk-8-jre-headless_8u191-b12-0ubuntu0.18.04.1_amd64.deb (--unpack): trying to overwrite shared '/etc/java-8-openjdk/security/java.security', which is different from other instances of package openjdk-8-jre-headless:amd64 ErrorMessage: trying to overwrite shared '/etc/java-8-openjdk/security/java.security', which is different from other instances of package openjdk-8-jre-headless:amd64 Python3Details: /usr/bin/python3.6, Python 3.6.7, python3-minimal, 3.6.7-1~18.04 PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.0.5ubuntu2.1 apt 1.6.6 SourcePackage: openjdk-8 Title: package openjdk-8-jre-headless 8u181-b13-1ubuntu0.18.04.1 failed to install/upgrade: trying to overwrite shared '/etc/java-8-openjdk/security/java.security', which is different from other instances of package openjdk-8-jre-headless:amd64 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1806265/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~openjdk Post to : openjdk@lists.launchpad.net Unsubscribe : https://launchpad.net/~openjdk More help : https://help.launchpad.net/ListHelp