spacewalk-java from systemsmanagement:Uyuni:Master:PR:3603 project
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Add repository and install manually
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/systemsmanagement:Uyuni:Master:PR:3603/openSUSE_Leap_15.2/systemsmanagement:Uyuni:Master:PR:3603.repo zypper refresh zypper install spacewalk-java