I see

„check“-Phasebuilder for `/gnu/store/im3vs3rs3cg02qzbya8xr75g30qfraf8-java-eclipse-jetty-util-9.2.22.drv' failed with exit code 1
Erstellung von /gnu/store/im3vs3rs3cg02qzbya8xr75g30qfraf8-java-eclipse-jetty-util-9.2.22.drv fehlgeschlagen
Das Erstellungsprotokoll kann unter „/var/log/guix/drvs/im/3vs3rs3cg02qzbya8xr75g30qfraf8-java-eclipse-jetty-util-9.2.22.drv.bz2“ eingesehen werden.
/gnu/store/7k6rv14mkd368dnmfl3iwlqh020307ba-java-kafka-clients-1.0.0.drv wird erstellt …
cannot build derivation `/gnu/store/vvlj7l0yyzdz3gb09p70dyyixqxmrghb-maven-wagon-http-3.3.4.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/7q25bsm6njn3nhq2qs75ghs9qyakzas1-maven-wagon-provider-test-3.3.4.drv': 1 dependencies couldn't be built
cannot build derivation `/gnu/store/hskyf4y35hc34008zkpawfrh6gc2z225-maven-wagon-tck-http-3.3.4.drv': 1 dependencies couldn't be built
/gnu/store/v6g3vn80hzm78pp0jw41m4r2lsi4ghrj-libX11-1.6.10.tar.bz2.drv wird erstellt …
cannot build derivation `/gnu/store/87k46rrwrjn9m6iprsjf73hfhzs2v524-maven-3.6.1.drv': 1 dependencies couldn't be built
guix upgrade: error: build of
`/gnu/store/87k46rrwrjn9m6iprsjf73hfhzs2v524-maven-3.6.1.drv' failed

It looks like junit is missing during build:
/tmp/guix-build-java-eclipse-jetty-util-9.2.22.drv-0/jetty.project-jetty-9.\
2.22.v20170606/jetty-util/src/test/java/org/eclipse/jetty/util/MultiExceptionTest.java:\
26: error: package org.junit does not exist

The build log is attached.

Best wishes,
Arne