hello, 
thank you for response,
with java8 i had this (below) error, and where i googled it i found that i 
must upgrade to java11
$mvn package
[INFO] DSpace Addon Modules ............................... SUCCESS [  
0.522 s]
[INFO] DSpace Kernel :: Additions and Local Customizations  SUCCESS [  
3.129 s]
[INFO] DSpace XML-UI (Manakin) :: Local Customizations .... SUCCESS [02:34 
min]
[INFO] DSpace JSP-UI :: Local Customizations .............. SUCCESS [01:06 
min]
[INFO] DSpace RDF :: Local Customizations ................. FAILURE [17:38 
min]
[INFO] DSpace REST :: Local Customizations ................ SKIPPED
[INFO] DSpace SWORD :: Local Customizations ............... SKIPPED
[INFO] DSpace SWORD v2 :: Local Customizations ............ SKIPPED
[INFO] DSpace SOLR :: Local Customizations ................ SKIPPED
[INFO] DSpace OAI-PMH :: Local Customizations ............. SKIPPED
[INFO] DSpace Assembly and Configuration .................. SKIPPED
[INFO] 
------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] 
------------------------------------------------------------------------
[INFO] Total time:  21:24 min
[INFO] Finished at: 2021-04-29T13:53:31+01:00
[INFO] 
------------------------------------------------------------------------
[ERROR] Failed to execute goal on project rdf: Could not resolve 
dependencies for project org.dspace.modules:rdf:war:6.3: Could not transfer 
artifact org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed: Premature 
end of Content-Length delimited message body (expected: 93,370,598; 
received: 15,819,508) -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
goal on project rdf: Could not resolve dependencies for project 
org.dspace.modules:rdf:war:6.3: Could not transfer artifact 
org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:269)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: org.apache.maven.project.DependencyResolutionException: Could 
not resolve dependencies for project org.dspace.modules:rdf:war:6.3: Could 
not transfer artifact org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:209)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: org.eclipse.aether.resolution.DependencyResolutionException: 
Could not transfer artifact org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
(DefaultRepositorySystem.java:357)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:202)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could 
not transfer artifact org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:424)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:229)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
(DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:202)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not 
transfer artifact org.dspace:dspace-rdf:war:6.3 from/to central 
(https://repo.maven.apache.org/maven2): GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at 
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed 
(ArtifactTransportListener.java:52)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:369)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 
(BasicRepositoryConnector.java:628)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:513)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:401)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:229)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
(DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:202)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: org.apache.maven.wagon.TransferFailedException: GET request of: 
org/dspace/dspace-rdf/6.3/dspace-rdf-6.3.war from central failed
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:413)
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:339)
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:308)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:97)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at 
org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run 
(WagonTransporter.java:546)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute 
(WagonTransporter.java:430)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get 
(WagonTransporter.java:407)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask
 
(BasicRepositoryConnector.java:457)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:364)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 
(BasicRepositoryConnector.java:628)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:513)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:401)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:229)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
(DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:202)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
Caused by: 
org.apache.maven.wagon.providers.http.httpclient.ConnectionClosedException: 
Premature end of Content-Length delimited message body (expected: 
93,370,598; received: 15,819,508)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.io.ContentLengthInputStream.read
 
(ContentLengthInputStream.java:178)
    at 
org.apache.maven.wagon.providers.http.httpclient.conn.EofSensorInputStream.read 
(EofSensorInputStream.java:135)
    at java.nio.channels.Channels$ReadableByteChannelImpl.read 
(Channels.java:385)
    at org.apache.maven.wagon.AbstractWagon.transfer 
(AbstractWagon.java:598)
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:396)
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:339)
    at org.apache.maven.wagon.AbstractWagon.getTransfer 
(AbstractWagon.java:308)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:97)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at 
org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run 
(WagonTransporter.java:546)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute 
(WagonTransporter.java:430)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get 
(WagonTransporter.java:407)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask
 
(BasicRepositoryConnector.java:457)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:364)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 
(BasicRepositoryConnector.java:628)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:513)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:401)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:229)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
(DefaultRepositorySystem.java:340)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:202)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
    at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 
(LifecycleDependencyResolver.java:147)
    at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:202)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:148)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 
(SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:347)
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, 
please read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the 
command
[ERROR]   mvn <args> -rf :rdf



Le lundi 3 mai 2021 à 13:04:19 UTC+1, Michael Plate a écrit :

> Hi,
>
> Am 03.05.21 um 13:45 schrieb Compte Messagerie:
> > 
> > hello ,
> > i try to install dspace 6.3 on centos8 with apache-maven-3.8.1 and 
> > openjdk11
> ^^^^^^^^^^^
>
> DSpace < 7 does AFAIK not build on Java 11 - you need Java 8 for that.
> It might run on Java 11 e.g. in Tomcat (at least 5.x runs on 11, tested 
> that) .
>
> openjdk8 is supported until May 2026 - no need to hurry.
>
> Michael
>
>
>
>
>

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