hello,
i try to install dspace 6.3 on centos 8 with apache-maven-3.8.1 and java-11.0.11
when i start the command: 

$mvn package -X                                // for debug
it ends whith this error:

[ERROR] Failed to execute goal on project solr: Could not resolve dependencies 
for project org.dspace.modules:solr:war:6.3: Failed to collect dependencies at 
org.dspace:dspace-solr:jar:classes:6.3 -> org.apache.solr:solr-core:jar:4.10.4 
-> org.restlet.jee:org.restlet:jar:2.1.1: Failed to read artifact descriptor 
for org.restlet.jee:org.restlet:jar:2.1.1: Could not transfer artifact 
org.restlet.jee:org.restlet:pom:2.1.1 from/to maven-default-http-blocker 
(http://0.0.0.0/): Blocked mirror for repositories: [maven-snapshots 
(http://oss.sonatype.org/content/repositories/snapshots, default, snapshots), 
maven-restlet (http://maven.restlet.org, default, releases+snapshots), 
apache.snapshots (http://repository.apache.org/snapshots, default, disabled)] 
-> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
on project solr: Could not resolve dependencies for project 
org.dspace.modules:solr:war:6.3: Failed to collect dependencies at 
org.dspace:dspace-solr:jar:classes:6.3 -> org.apache.solr:solr-core:jar:4.10.4 
-> org.restlet.jee:org.restlet:jar:2.1.1
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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:solr:war:6.3: Failed to 
collect dependencies at org.dspace:dspace-solr:jar:classes:6.3 -> 
org.apache.solr:solr-core:jar:4.10.4 -> org.restlet.jee:org.restlet:jar:2.1.1
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:178)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.collection.DependencyCollectionException: Failed 
to collect dependencies at org.dspace:dspace-solr:jar:classes:6.3 -> 
org.apache.solr:solr-core:jar:4.10.4 -> org.restlet.jee:org.restlet:jar:2.1.1
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:288)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.ArtifactDescriptorException: Failed to 
read artifact descriptor for org.restlet.jee:org.restlet:jar:2.1.1
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom 
(DefaultArtifactDescriptorReader.java:255)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
 (DefaultArtifactDescriptorReader.java:171)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
 (DefaultDependencyCollector.java:538)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
 (DefaultDependencyCollector.java:523)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:410)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:254)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.restlet.jee:org.restlet:pom:2.1.1 from/to 
maven-default-http-blocker (http://0.0.0.0/): Blocked mirror for repositories: 
[maven-snapshots (http://oss.sonatype.org/content/repositories/snapshots, 
default, snapshots), maven-restlet (http://maven.restlet.org, default, 
releases+snapshots), apache.snapshots (http://repository.apache.org/snapshots, 
default, disabled)]
    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.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:207)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom 
(DefaultArtifactDescriptorReader.java:240)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
 (DefaultArtifactDescriptorReader.java:171)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
 (DefaultDependencyCollector.java:538)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
 (DefaultDependencyCollector.java:523)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:410)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:254)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.restlet.jee:org.restlet:pom:2.1.1 from/to 
maven-default-http-blocker (http://0.0.0.0/): Blocked mirror for repositories: 
[maven-snapshots (http://oss.sonatype.org/content/repositories/snapshots, 
default, snapshots), maven-restlet (http://maven.restlet.org, default, 
releases+snapshots), apache.snapshots (http://repository.apache.org/snapshots, 
default, disabled)]
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:520)
    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.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:207)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom 
(DefaultArtifactDescriptorReader.java:240)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
 (DefaultArtifactDescriptorReader.java:171)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
 (DefaultDependencyCollector.java:538)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
 (DefaultDependencyCollector.java:523)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:410)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:254)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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.NoRepositoryConnectorException: Blocked 
mirror for repositories: [maven-snapshots 
(http://oss.sonatype.org/content/repositories/snapshots, default, snapshots), 
maven-restlet (http://maven.restlet.org, default, releases+snapshots), 
apache.snapshots (http://repository.apache.org/snapshots, default, disabled)]
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:506)
    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.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:207)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom 
(DefaultArtifactDescriptorReader.java:240)
    at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
 (DefaultArtifactDescriptorReader.java:171)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
 (DefaultDependencyCollector.java:538)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
 (DefaultDependencyCollector.java:523)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:410)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:506)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:458)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:362)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:349)
    at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:254)
    at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
    at org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
    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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    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] 
[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 :solr
[dspace@depottest dspace]$ 


please, help me to solve the issue
thanks

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