ovirt-engine travis CI is failing on (https://travis-ci.org/oVirt/ovirt-engine/builds/658673888?utm_medium=notification&utm_source=email):

ERROR] COMPILATION ERROR : 
1407[ERROR] error reading /home/travis/.m2/repository/org/jruby/jruby-complete/1.7.16.1/jruby-complete-1.7.16.1.jar; zip END header not found
1408[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/LinkCreatorTest.java:[6,1] cannot access org.ovirt.engine.api.utils
1409  zip END header not found
1410[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/EntityHelperTest.java:[13,8] cannot access org.ovirt.engine.api
1411  zip END header not found
1412[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/BooleanParserTest.java:[17,8] cannot access org.ovirt.engine
1413  zip END header not found
1414[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:testCompile (default-testCompile) on project restapi-definition: Compilation failure: Compilation failure: 
1415[ERROR] error reading /home/travis/.m2/repository/org/jruby/jruby-complete/1.7.16.1/jruby-complete-1.7.16.1.jar; zip END header not found
1416[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/LinkCreatorTest.java:[6,1] cannot access org.ovirt.engine.api.utils
1417[ERROR]   zip END header not found
1418[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/EntityHelperTest.java:[13,8] cannot access org.ovirt.engine.api
1419[ERROR]   zip END header not found
1420[ERROR] /home/travis/build/oVirt/ovirt-engine/backend/manager/modules/restapi/interface/definition/src/test/java/org/ovirt/engine/api/utils/BooleanParserTest.java:[17,8] cannot access org.ovirt.engine
1421[ERROR]   zip END header not found

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