The duplication was probably caused by myself while I was simultaneous running apport-cli, apport-noui and update-notifier-crash - for some reason my system does not set the systemd user graphical-session, so I ended running stuff manually and a duplication occurred somewhere along that.
I did additional testing on the staging area [1] and there was no tag duplication [2,3,4]. [1] https://errors.staging.ubuntu.com/?release=Ubuntu%2017.10&package=openjdk-8&period=day [2] https://errors.staging.ubuntu.com/problem/0b7b808952f02c3d51897e490710eddc225ba21c [3] https://errors.staging.ubuntu.com/oops/2e47f990-505d-11e7-87f2-fa163eaf9b83 [4] https://errors.staging.ubuntu.com/oops/9d372fb8-506e-11e7-87f2-fa163eaf9b83 -- 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/1696886 Title: add apport hook for openjdk-8 Status in openjdk-8 package in Ubuntu: Fix Committed Status in openjdk-8 source package in Xenial: New Status in openjdk-8 source package in Yakkety: New Status in openjdk-8 source package in Zesty: New Bug description: OpenJDK crashes generates a hs_err file that includes additional information for debugging. This apport hook adds the generated hs_err file as long as it exists in the java process cwd and is smaller than 100 KB (to avoid filling up error tracker). OpenJDK 8 conffiles modified by the user will also be added to all reports. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openjdk-8/+bug/1696886/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~openjdk Post to : [email protected] Unsubscribe : https://launchpad.net/~openjdk More help : https://help.launchpad.net/ListHelp

