When installing devstudio on top of eclipse in offline using
jar:file:/

devstudio-11.3.0.GA-v20180413-0714-B2352-updatesite-core.zip!/

For "Keep my installation...":
An error occurred while collecting items to be installed
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,com.spotify.docker.client,6.1.1.v20171124-1825
No repository found containing: osgi.bundle,org.eclipse.equinox.region,1.4.0.v20170117-1425
No repository found containing: osgi.bundle,org.eclipse.recommenders.snipmatch,2.5.0.v20171201-1623
No repository found containing: osgi.bundle,org.eclipse.recommenders.snipmatch.rcp,2.5.0.v20171201-1623
No repository found containing: org.eclipse.update.feature,org.eclipse.recommenders.snipmatch.rcp.feature,2.5.0.v20171201-1623
No repository found containing: osgi.bundle,org.objectweb.asm.analysis,6.0.0.v20180116-1719
No repository found containing: osgi.bundle,org.objectweb.asm.util,6.0.0.v20180116-1719

For "Update my installation ...":
An error occurred while collecting items to be installed
session context was:(profile=epp.package.jee, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
No repository found containing: osgi.bundle,org.eclipse.eclemma.core,3.1.0.201804041601
No repository found containing: osgi.bundle,org.eclipse.eclemma.doc,3.1.0.201804041601
No repository found containing: osgi.bundle,org.eclipse.eclemma.ui,3.1.0.201804041601
No repository found containing: osgi.bundle,org.eclipse.epp.mpc.core,1.6.4.v20180214-1810
No repository found containing: osgi.bundle,org.eclipse.epp.mpc.help.ui,1.6.4.v20180214-1800
No repository found containing: osgi.bundle,org.eclipse.epp.mpc.ui,1.6.4.v20180214-1800
No repository found containing: osgi.bundle,org.eclipse.epp.package.common,4.7.3.20180405-1200
No repository found containing: osgi.bundle,org.eclipse.epp.package.jee,4.7.3.20180405-1200
No repository found containing: osgi.bundle,org.eclipse.jpt.common.eclipselink.branding,1.3.101.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.common.eclipselink.core,1.3.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.dbws.eclipselink.branding,1.2.101.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.dbws.eclipselink.core.gen,1.1.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.dbws.eclipselink.ui,1.1.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jaxb.eclipselink.branding,1.4.101.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jaxb.eclipselink.core,1.3.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jaxb.eclipselink.core.schemagen,1.2.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jaxb.eclipselink.ui,1.4.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jpa.eclipselink.branding,3.4.1.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jpa.eclipselink.core,2.4.101.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jpa.eclipselink.core.ddlgen,2.2.201.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jpt.jpa.eclipselink.ui,2.4.101.v201803012210
No repository found containing: osgi.bundle,org.eclipse.jst.jsf.apache.trinidad.tagsupport,1.4.1.v201802231403
No repository found containing: osgi.bundle,org.eclipse.m2e.archetype.common,1.8.3.20180227-2135
No repository found containing: osgi.bundle,org.eclipse.m2e.core,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.core.ui,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.discovery,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.editor,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.editor.xml,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.importer,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.jdt,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.jdt.ui,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.launching,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.lifecyclemapping.defaults,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.logback.appender,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.logback.configuration,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.maven.indexer,1.8.3.20180227-2135
No repository found containing: osgi.bundle,org.eclipse.m2e.maven.runtime,1.8.3.20180227-2135
No repository found containing: osgi.bundle,org.eclipse.m2e.maven.runtime.slf4j.simple,1.8.3.20180227-2135
No repository found containing: osgi.bundle,org.eclipse.m2e.model.edit,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.profiles.core,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.profiles.ui,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.refactoring,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.m2e.scm,1.8.3.20180227-2137
No repository found containing: osgi.bundle,org.eclipse.persistence.antlr,3.5.2.v201605171345
No repository found containing: osgi.bundle,org.eclipse.persistence.asm,6.0.0.v201710052159
No repository found containing: osgi.bundle,org.eclipse.persistence.core,2.7.1.v20171221-bd47e8f
No repository found containing: osgi.bundle,org.eclipse.persistence.dbws,2.7.1.v20171221-bd47e8f
No repository found containing: osgi.bundle,org.eclipse.persistence.dbws.builder,2.7.1.v20171221-bd47e8f
No repository found containing: osgi.bundle,org.eclipse.persistence.jpa,2.7.1.v20171221-bd47e8f
No repository found containing: osgi.bundle,org.eclipse.persistence.moxy,2.7.1.v20171221-bd47e8f
No repository found containing: osgi.bundle,org.eclipse.recommenders.mylyn.rcp,2.5.2.v20180401-1226
No repository found containing: osgi.bundle,org.jacoco.agent,0.8.1.v20180329-2024
No repository found containing: osgi.bundle,org.jacoco.core,0.8.1.v20180329-2024
No repository found containing: osgi.bundle,org.jacoco.report,0.8.1.v20180329-2024
No repository found containing: osgi.bundle,org.objectweb.asm.commons,6.0.0.v20180116-1719
No repository found containing: osgi.bundle,com.spotify.docker.client,6.1.1.v20171124-1825
No repository found containing: binary,epp.package.jee.executable.gtk.linux.x86_64,4.7.3.20180405-1200
No repository found containing: org.eclipse.update.feature,org.eclipse.eclemma.feature,3.1.0.201804041601
No repository found containing: org.eclipse.update.feature,org.eclipse.epp.mpc,1.6.4.v20180214-1810
No repository found containing: org.eclipse.update.feature,org.eclipse.epp.package.common.feature,4.7.3.20180405-1200
No repository found containing: org.eclipse.update.feature,org.eclipse.epp.package.jee.feature,4.7.3.20180405-1200
No repository found containing: osgi.bundle,org.eclipse.equinox.region,1.4.0.v20170117-1425
No repository found containing: org.eclipse.update.feature,org.eclipse.jpt.common.eclipselink.feature,1.3.200.v201803012210
No repository found containing: org.eclipse.update.feature,org.eclipse.jpt.dbws.eclipselink.feature,1.2.201.v201803161350
No repository found containing: org.eclipse.update.feature,org.eclipse.jpt.jaxb.eclipselink.feature,1.4.201.v201803161350
No repository found containing: org.eclipse.update.feature,org.eclipse.jpt.jpa.eclipselink.feature,3.4.101.v201803161350
No repository found containing: org.eclipse.update.feature,org.eclipse.jst.jsf.apache.trinidad.tagsupport.feature,2.6.1.v201802231403
No repository found containing: org.eclipse.update.feature,org.eclipse.m2e.feature,1.8.3.20180227-2137
No repository found containing: org.eclipse.update.feature,org.eclipse.m2e.logback.feature,1.8.3.20180227-2137
No repository found containing: binary,org.eclipse.platform.ide.executable.gtk.linux.x86_64,4.7.3.M20180330-0640
No repository found containing: org.eclipse.update.feature,org.eclipse.recommenders.mylyn.rcp.feature,2.5.2.v20180401-1226
No repository found containing: osgi.bundle,org.objectweb.asm.analysis,6.0.0.v20180116-1719
No repository found containing: osgi.bundle,org.objectweb.asm.util,6.0.0.v20180116-1719