See 
<https://builds.apache.org/job/doxia-tools/jdk=JDK%201.7%20(latest),label=Windows/92/display/redirect>

------------------------------------------
[...truncated 31.51 KB...]
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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: Received fatal 
alert: protocol_version
    at 
org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData
 (AbstractHttpClientWagon.java:1206)
    at 
org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData
 (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run 
(WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute 
(WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get 
(WagonTransporter.java:412)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask
 (BasicRepositoryConnector.java:456)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:400)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact 
(DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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: javax.net.ssl.SSLException: Received fatal alert: protocol_version
    at sun.security.ssl.Alerts.getSSLException (Alerts.java:208)
    at sun.security.ssl.Alerts.getSSLException (Alerts.java:154)
    at sun.security.ssl.SSLSocketImpl.recvAlert (SSLSocketImpl.java:1979)
    at sun.security.ssl.SSLSocketImpl.readRecord (SSLSocketImpl.java:1086)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake 
(SSLSocketImpl.java:1332)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1359)
    at sun.security.ssl.SSLSocketImpl.startHandshake (SSLSocketImpl.java:1343)
    at 
org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.createLayeredSocket
 (SSLConnectionSocketFactory.java:404)
    at 
org.apache.maven.wagon.providers.http.httpclient.conn.ssl.SSLConnectionSocketFactory.connectSocket
 (SSLConnectionSocketFactory.java:364)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.DefaultHttpClientConnectionOperator.connect
 (DefaultHttpClientConnectionOperator.java:142)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.conn.PoolingHttpClientConnectionManager.connect
 (PoolingHttpClientConnectionManager.java:374)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.establishRoute
 (MainClientExec.java:393)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.MainClientExec.execute
 (MainClientExec.java:236)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.ProtocolExec.execute
 (ProtocolExec.java:185)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RetryExec.execute
 (RetryExec.java:89)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.execchain.RedirectExec.execute
 (RedirectExec.java:110)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.InternalHttpClient.doExecute
 (InternalHttpClient.java:185)
    at 
org.apache.maven.wagon.providers.http.httpclient.impl.client.CloseableHttpClient.execute
 (CloseableHttpClient.java:83)
    at 
org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.execute
 (AbstractHttpClientWagon.java:958)
    at 
org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData
 (AbstractHttpClientWagon.java:1117)
    at 
org.apache.maven.wagon.providers.http.wagon.shared.AbstractHttpClientWagon.fillInputData
 (AbstractHttpClientWagon.java:1094)
    at org.apache.maven.wagon.StreamWagon.getInputStream (StreamWagon.java:126)
    at org.apache.maven.wagon.StreamWagon.getIfNewer (StreamWagon.java:88)
    at org.apache.maven.wagon.StreamWagon.get (StreamWagon.java:61)
    at org.eclipse.aether.transport.wagon.WagonTransporter$GetTaskRunner.run 
(WagonTransporter.java:567)
    at org.eclipse.aether.transport.wagon.WagonTransporter.execute 
(WagonTransporter.java:435)
    at org.eclipse.aether.transport.wagon.WagonTransporter.get 
(WagonTransporter.java:412)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask
 (BasicRepositoryConnector.java:456)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:363)
    at org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
    at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 (BasicRepositoryConnector.java:642)
    at org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:499)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:400)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact 
(DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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]   The project org.apache.maven.doxia:doxia-book-renderer:1.3-SNAPSHOT 
(F:\jenkins\jenkins-slave\workspace\doxia-tools\jdk\JDK 1.7 
(latest)\label\Windows\doxia-book-renderer\pom.xml) has 1 error
[ERROR]     Non-resolvable parent POM for 
org.apache.maven.doxia:doxia-book-renderer:1.3-SNAPSHOT: Failure to transfer 
org.apache.maven.doxia:doxia-tools:pom:30 from 
https://repo.maven.apache.org/maven2 was cached in the local repository, 
resolution will not be reattempted until the update interval of central has 
elapsed or updates are forced. Original error: Could not transfer artifact 
org.apache.maven.doxia:doxia-tools:pom:30 from/to central 
(https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version 
and 'parent.relativePath' points at wrong local POM @ line 25, column 11 -> 
[Help 2]
org.apache.maven.model.resolution.UnresolvableModelException: Failure to 
transfer org.apache.maven.doxia:doxia-tools:pom:30 from 
https://repo.maven.apache.org/maven2 was cached in the local repository, 
resolution will not be reattempted until the update interval of central has 
elapsed or updates are forced. Original error: Could not transfer artifact 
org.apache.maven.doxia:doxia-tools:pom:30 from/to central 
(https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:196)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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: Failure 
to transfer org.apache.maven.doxia:doxia-tools:pom:30 from 
https://repo.maven.apache.org/maven2 was cached in the local repository, 
resolution will not be reattempted until the update interval of central has 
elapsed or updates are forced. Original error: Could not transfer artifact 
org.apache.maven.doxia:doxia-tools:pom:30 from/to central 
(https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:423)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact 
(DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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: Failure to 
transfer org.apache.maven.doxia:doxia-tools:pom:30 from 
https://repo.maven.apache.org/maven2 was cached in the local repository, 
resolution will not be reattempted until the update interval of central has 
elapsed or updates are forced. Original error: Could not transfer artifact 
org.apache.maven.doxia:doxia-tools:pom:30 from/to central 
(https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version
    at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException 
(DefaultUpdateCheckManager.java:226)
    at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact 
(DefaultUpdateCheckManager.java:172)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads 
(DefaultArtifactResolver.java:564)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:482)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:400)
    at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:225)
    at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:202)
    at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact 
(DefaultRepositorySystem.java:257)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:192)
    at org.apache.maven.project.ProjectModelResolver.resolveModel 
(ProjectModelResolver.java:242)
    at org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1062)
    at org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:838)
    at org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:332)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:446)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:556)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:412)
    at org.apache.maven.project.DefaultProjectBuilder.build 
(DefaultProjectBuilder.java:375)
    at org.apache.maven.graph.DefaultGraphBuilder.collectProjects 
(DefaultGraphBuilder.java:414)
    at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor 
(DefaultGraphBuilder.java:405)
    at org.apache.maven.graph.DefaultGraphBuilder.build 
(DefaultGraphBuilder.java:82)
    at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
    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:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:606)
    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/ProjectBuildingException
[ERROR] [Help 2] 
http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException
Build step 'Invoke top-level Maven targets' marked build as failure

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