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Posted to users@maven.apache.org by Andrew Bucknell <dr...@hotmail.com> on 2010/07/01 03:13:06 UTC

maven runtime error java.net.UnknownHostException: repo1.maven.org.

I downloaded maven 2.2.1 on to my debian box and am having problems with it.
I am not using a proxy or a firewall yet I am getting the following debug
messages - most notably 

 

Caused by: java.net.UnknownHostException: repo1.maven.org.

 

I am able to resolve the hostname using nslookup from the command line. The
notes I have found so far suggest such problems are typically caused by
proxies

Or firewalls, but as I have neither I am stumped. Any suggestions?

 

Andrew

 

 

andrew@melb-web:~/mvntest$ mvn -X archetype:generate

+ Error stacktraces are turned on.

Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)

Java version: 1.6.0_03

Java home: /usr/local/java/jdk1.6.0_03/jre

Default locale: en_AU, platform encoding: UTF-8

OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"

[DEBUG] Building Maven user-level plugin registry from:
'/home/andrew/.m2/plugin-registry.xml'

[DEBUG] Building Maven global-level plugin registry from:
'/usr/local/apache/maven/conf/plugin-registry.xml'

[INFO] Scanning for projects...

[INFO] Searching repository for plugin with prefix: 'archetype'.

[DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins

[INFO] org.apache.maven.plugins: checking for updates from central

[DEBUG] Using Wagon implementation lightweight from default mapping for
protocol http

[DEBUG] Checking for pre-existing User-Agent configuration.

[DEBUG] Adding User-Agent configuration.

[DEBUG] Connecting to repository: 'central' with url:
'http://repo1.maven.org/maven2'.

[DEBUG] Using Wagon implementation lightweight from default mapping for
protocol http

[WARNING] repository metadata for: 'org.apache.maven.plugins' could not be
retrieved from repository: central due to an error: Error transferring file:
repo1.maven.org

[DEBUG] Exception

org.apache.maven.wagon.TransferFailedException: Error transferring file:
repo1.maven.org

        at
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
htweightHttpWagon.java:143)

        at
org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)

        at
org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)

        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)

        at
org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
agonManager.java:546)

        at
org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
faultWagonManager.java:443)

        at
org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
er.resolve(DefaultRepositoryMetadataManager.java:97)

        at
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
ltPluginMappingManager.java:103)

        at
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
ltPluginMappingManager.java:87)

        at
org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
nMappingManager.java:61)

        at
org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
faultPluginManager.java:159)

        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
tLifecycleExecutor.java:1801)

        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
tionNeeds(DefaultLifecycleExecutor.java:462)

        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
Executor.java:175)

        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)

        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)

        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)

        at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)

        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)

        at java.lang.reflect.Method.invoke(Method.java:597)

        at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)

        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)

        at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)

        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)

Caused by: java.net.UnknownHostException: repo1.maven.org

        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)

        at java.net.Socket.connect(Socket.java:519)

        at java.net.Socket.connect(Socket.java:469)

        at sun.net.NetworkClient.doConnect(NetworkClient.java:157)

        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)

        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)

        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)

        at sun.net.www.http.HttpClient.New(HttpClient.java:306)

        at sun.net.www.http.HttpClient.New(HttpClient.java:323)

        at
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
on.java:788)

        at
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
ava:729)

        at
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
54)

        at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
.java:977)

        at
java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)

        at
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
htweightHttpWagon.java:115)

        ... 25 more

[INFO] Repository 'central' will be blacklisted

 

andrew@melb-web:~/mvntest$ nslookup repo1.maven.org

Server:         203.12.160.35

Address:        203.12.160.35#53

 

Non-authoritative answer:

Name:   repo1.maven.org

Address: 38.97.124.18


Re: maven runtime error java.net.UnknownHostException: repo1.maven.org.

Posted by "CONSULTANT Composants-Chaaba (93)" <co...@dgfip.finances.gouv.fr>.
Did u configure the proxy tag in settings.xml maven's file ?

-------- Message original --------
Sujet : maven runtime error java.net.UnknownHostException: repo1.maven.org.
De : Andrew Bucknell <dr...@hotmail.com>
Pour : users@maven.apache.org
Date : 01/07/2010 03:13
> I downloaded maven 2.2.1 on to my debian box and am having problems with it.
> I am not using a proxy or a firewall yet I am getting the following debug
> messages - most notably 
>
>  
>
> Caused by: java.net.UnknownHostException: repo1.maven.org.
>
>  
>
> I am able to resolve the hostname using nslookup from the command line. The
> notes I have found so far suggest such problems are typically caused by
> proxies
>
> Or firewalls, but as I have neither I am stumped. Any suggestions?
>
>  
>
> Andrew
>
>  
>
>  
>
> andrew@melb-web:~/mvntest$ mvn -X archetype:generate
>
> + Error stacktraces are turned on.
>
> Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)
>
> Java version: 1.6.0_03
>
> Java home: /usr/local/java/jdk1.6.0_03/jre
>
> Default locale: en_AU, platform encoding: UTF-8
>
> OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"
>
> [DEBUG] Building Maven user-level plugin registry from:
> '/home/andrew/.m2/plugin-registry.xml'
>
> [DEBUG] Building Maven global-level plugin registry from:
> '/usr/local/apache/maven/conf/plugin-registry.xml'
>
> [INFO] Scanning for projects...
>
> [INFO] Searching repository for plugin with prefix: 'archetype'.
>
> [DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins
>
> [INFO] org.apache.maven.plugins: checking for updates from central
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [DEBUG] Checking for pre-existing User-Agent configuration.
>
> [DEBUG] Adding User-Agent configuration.
>
> [DEBUG] Connecting to repository: 'central' with url:
> 'http://repo1.maven.org/maven2'.
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [WARNING] repository metadata for: 'org.apache.maven.plugins' could not be
> retrieved from repository: central due to an error: Error transferring file:
> repo1.maven.org
>
> [DEBUG] Exception
>
> org.apache.maven.wagon.TransferFailedException: Error transferring file:
> repo1.maven.org
>
>         at
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:143)
>
>         at
> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>
>         at
> org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>
>         at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>
>         at
> org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
> agonManager.java:546)
>
>         at
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
> faultWagonManager.java:443)
>
>         at
> org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
> er.resolve(DefaultRepositoryMetadataManager.java:97)
>
>         at
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:103)
>
>         at
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:87)
>
>         at
> org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
> nMappingManager.java:61)
>
>         at
> org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
> faultPluginManager.java:159)
>
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
> tLifecycleExecutor.java:1801)
>
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
> tionNeeds(DefaultLifecycleExecutor.java:462)
>
>         at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
> Executor.java:175)
>
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>
>         at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>         at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> )
>
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:25)
>
>         at java.lang.reflect.Method.invoke(Method.java:597)
>
>         at
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>
>         at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
> Caused by: java.net.UnknownHostException: repo1.maven.org
>
>         at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>
>         at java.net.Socket.connect(Socket.java:519)
>
>         at java.net.Socket.connect(Socket.java:469)
>
>         at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>
>         at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>
>         at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>
>         at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>
>         at
> sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
> on.java:788)
>
>         at
> sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
> ava:729)
>
>         at
> sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
> 54)
>
>         at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
> .java:977)
>
>         at
> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
>
>         at
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:115)
>
>         ... 25 more
>
> [INFO] Repository 'central' will be blacklisted
>
>  
>
> andrew@melb-web:~/mvntest$ nslookup repo1.maven.org
>
> Server:         203.12.160.35
>
> Address:        203.12.160.35#53
>
>  
>
> Non-authoritative answer:
>
> Name:   repo1.maven.org
>
> Address: 38.97.124.18
>
>
>   


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RE: maven runtime error java.net.UnknownHostException: repo1.maven.org.

Posted by Andrew Bucknell <dr...@hotmail.com>.
Just to close the loop on this one - it turned out to be an issue with the
libraries debian had available for java uses to resolve hostnames. The fix
is to apply a new libdns for java as described here
http://www.ehow.com/how_4747553_fix-unknownhostexception-java-applications-u
buntu.html. Thanks for the pointers Brett - once I stopped thinking 'whats
up with maven' and started thinking 'why is java not resolving dns' I got
the answer.

Cheers,
Andrew.

-----Original Message-----
From: Brett Randall [mailto:javabrett@gmail.com] 
Sent: Thursday, 1 July 2010 7:23 PM
To: Maven Users List
Subject: Re: maven runtime error java.net.UnknownHostException:
repo1.maven.org.

This posting describes some DNS resolver changes that one user found
they needed - something OS/distribution specific and not your OS, but
might be worth a check:
http://www.mail-archive.com/users@maven.apache.org/msg90647.html .

You're on Linux, so you might run tcpdump and see if Maven is calling
your expected DNS server.

Best
Brett

On Thu, Jul 1, 2010 at 3:50 PM, Andrew Bucknell <dr...@hotmail.com>
wrote:
> Thanks for the suggestion Brett but it appears that wasn’t the right fix.
I
> updated to jdk 1.6.0_20. Im getting the same error in the same place.
>
> Caused by: java.net.UnknownHostException: repo1.maven.org
>
>
> -----Original Message-----
> From: Brett Randall [mailto:javabrett@gmail.com]
> Sent: Thursday, 1 July 2010 11:37 AM
> To: Maven Users List
> Subject: Re: maven runtime error java.net.UnknownHostException:
> repo1.maven.org.
>
> Someone else posted similar a few weeks back with the same JDK
> version, which is pretty old:
>
http://maven.40175.n5.nabble.com/Maven-in-5-minutes-doesn-t-work-tt510820.ht
> ml#a510820
>
> "Thanks for the support guys, it was not a proxy issue. I upgraded my
> JDK/JRE
> from 1.6.0_03 to 1.6.0_20 and it all came back on the track, a bit strange
> though. "
>
> I'd try updating to a current patch release of JDK 1.6.0 on you platform.
>
> Best
> Brett
>
> On Thu, Jul 1, 2010 at 11:13 AM, Andrew Bucknell <dr...@hotmail.com>
> wrote:
>> I downloaded maven 2.2.1 on to my debian box and am having problems with
> it.
>> I am not using a proxy or a firewall yet I am getting the following debug
>> messages - most notably
>>
>>
>>
>> Caused by: java.net.UnknownHostException: repo1.maven.org.
>>
>>
>>
>> I am able to resolve the hostname using nslookup from the command line.
> The
>> notes I have found so far suggest such problems are typically caused by
>> proxies
>>
>> Or firewalls, but as I have neither I am stumped. Any suggestions?
>>
>>
>>
>> Andrew
>>
>>
>>
>>
>>
>> andrew@melb-web:~/mvntest$ mvn -X archetype:generate
>>
>> + Error stacktraces are turned on.
>>
>> Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)
>>
>> Java version: 1.6.0_03
>>
>> Java home: /usr/local/java/jdk1.6.0_03/jre
>>
>> Default locale: en_AU, platform encoding: UTF-8
>>
>> OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"
>>
>> [DEBUG] Building Maven user-level plugin registry from:
>> '/home/andrew/.m2/plugin-registry.xml'
>>
>> [DEBUG] Building Maven global-level plugin registry from:
>> '/usr/local/apache/maven/conf/plugin-registry.xml'
>>
>> [INFO] Scanning for projects...
>>
>> [INFO] Searching repository for plugin with prefix: 'archetype'.
>>
>> [DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins
>>
>> [INFO] org.apache.maven.plugins: checking for updates from central
>>
>> [DEBUG] Using Wagon implementation lightweight from default mapping for
>> protocol http
>>
>> [DEBUG] Checking for pre-existing User-Agent configuration.
>>
>> [DEBUG] Adding User-Agent configuration.
>>
>> [DEBUG] Connecting to repository: 'central' with url:
>> 'http://repo1.maven.org/maven2'.
>>
>> [DEBUG] Using Wagon implementation lightweight from default mapping for
>> protocol http
>>
>> [WARNING] repository metadata for: 'org.apache.maven.plugins' could not
be
>> retrieved from repository: central due to an error: Error transferring
> file:
>> repo1.maven.org
>>
>> [DEBUG] Exception
>>
>> org.apache.maven.wagon.TransferFailedException: Error transferring file:
>> repo1.maven.org
>>
>>        at
>>
>
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
>> htweightHttpWagon.java:143)
>>
>>        at
>> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>>
>>        at
>> org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>>
>>        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>>
>>        at
>>
>
org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
>> agonManager.java:546)
>>
>>        at
>>
>
org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
>> faultWagonManager.java:443)
>>
>>        at
>>
>
org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
>> er.resolve(DefaultRepositoryMetadataManager.java:97)
>>
>>        at
>>
>
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
>> ltPluginMappingManager.java:103)
>>
>>        at
>>
>
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
>> ltPluginMappingManager.java:87)
>>
>>        at
>>
>
org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
>> nMappingManager.java:61)
>>
>>        at
>>
>
org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
>> faultPluginManager.java:159)
>>
>>        at
>>
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
>> tLifecycleExecutor.java:1801)
>>
>>        at
>>
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
>> tionNeeds(DefaultLifecycleExecutor.java:462)
>>
>>        at
>>
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
>> Executor.java:175)
>>
>>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>>
>>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>>
>>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>>
>>        at
>> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>>
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>
>>        at
>>
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
>> )
>>
>>        at
>>
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
>> .java:25)
>>
>>        at java.lang.reflect.Method.invoke(Method.java:597)
>>
>>        at
>> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>>
>>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>>
>>        at
>> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>>
>>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>
>> Caused by: java.net.UnknownHostException: repo1.maven.org
>>
>>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>>
>>        at java.net.Socket.connect(Socket.java:519)
>>
>>        at java.net.Socket.connect(Socket.java:469)
>>
>>        at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>>
>>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>>
>>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>>
>>        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>>
>>        at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>>
>>        at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>>
>>        at
>>
>
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
>> on.java:788)
>>
>>        at
>>
>
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
>> ava:729)
>>
>>        at
>>
>
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
>> 54)
>>
>>        at
>>
>
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
>> .java:977)
>>
>>        at
>> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
>>
>>        at
>>
>
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
>> htweightHttpWagon.java:115)
>>
>>        ... 25 more
>>
>> [INFO] Repository 'central' will be blacklisted
>>
>>
>>
>> andrew@melb-web:~/mvntest$ nslookup repo1.maven.org
>>
>> Server:         203.12.160.35
>>
>> Address:        203.12.160.35#53
>>
>>
>>
>> Non-authoritative answer:
>>
>> Name:   repo1.maven.org
>>
>> Address: 38.97.124.18
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>
>
> ---------------------------------------------------------------------
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> For additional commands, e-mail: users-help@maven.apache.org
>
>

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Re: maven runtime error java.net.UnknownHostException: repo1.maven.org.

Posted by Brett Randall <ja...@gmail.com>.
This posting describes some DNS resolver changes that one user found
they needed - something OS/distribution specific and not your OS, but
might be worth a check:
http://www.mail-archive.com/users@maven.apache.org/msg90647.html .

You're on Linux, so you might run tcpdump and see if Maven is calling
your expected DNS server.

Best
Brett

On Thu, Jul 1, 2010 at 3:50 PM, Andrew Bucknell <dr...@hotmail.com> wrote:
> Thanks for the suggestion Brett but it appears that wasn’t the right fix. I
> updated to jdk 1.6.0_20. Im getting the same error in the same place.
>
> Caused by: java.net.UnknownHostException: repo1.maven.org
>
>
> -----Original Message-----
> From: Brett Randall [mailto:javabrett@gmail.com]
> Sent: Thursday, 1 July 2010 11:37 AM
> To: Maven Users List
> Subject: Re: maven runtime error java.net.UnknownHostException:
> repo1.maven.org.
>
> Someone else posted similar a few weeks back with the same JDK
> version, which is pretty old:
> http://maven.40175.n5.nabble.com/Maven-in-5-minutes-doesn-t-work-tt510820.ht
> ml#a510820
>
> "Thanks for the support guys, it was not a proxy issue. I upgraded my
> JDK/JRE
> from 1.6.0_03 to 1.6.0_20 and it all came back on the track, a bit strange
> though. "
>
> I'd try updating to a current patch release of JDK 1.6.0 on you platform.
>
> Best
> Brett
>
> On Thu, Jul 1, 2010 at 11:13 AM, Andrew Bucknell <dr...@hotmail.com>
> wrote:
>> I downloaded maven 2.2.1 on to my debian box and am having problems with
> it.
>> I am not using a proxy or a firewall yet I am getting the following debug
>> messages - most notably
>>
>>
>>
>> Caused by: java.net.UnknownHostException: repo1.maven.org.
>>
>>
>>
>> I am able to resolve the hostname using nslookup from the command line.
> The
>> notes I have found so far suggest such problems are typically caused by
>> proxies
>>
>> Or firewalls, but as I have neither I am stumped. Any suggestions?
>>
>>
>>
>> Andrew
>>
>>
>>
>>
>>
>> andrew@melb-web:~/mvntest$ mvn -X archetype:generate
>>
>> + Error stacktraces are turned on.
>>
>> Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)
>>
>> Java version: 1.6.0_03
>>
>> Java home: /usr/local/java/jdk1.6.0_03/jre
>>
>> Default locale: en_AU, platform encoding: UTF-8
>>
>> OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"
>>
>> [DEBUG] Building Maven user-level plugin registry from:
>> '/home/andrew/.m2/plugin-registry.xml'
>>
>> [DEBUG] Building Maven global-level plugin registry from:
>> '/usr/local/apache/maven/conf/plugin-registry.xml'
>>
>> [INFO] Scanning for projects...
>>
>> [INFO] Searching repository for plugin with prefix: 'archetype'.
>>
>> [DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins
>>
>> [INFO] org.apache.maven.plugins: checking for updates from central
>>
>> [DEBUG] Using Wagon implementation lightweight from default mapping for
>> protocol http
>>
>> [DEBUG] Checking for pre-existing User-Agent configuration.
>>
>> [DEBUG] Adding User-Agent configuration.
>>
>> [DEBUG] Connecting to repository: 'central' with url:
>> 'http://repo1.maven.org/maven2'.
>>
>> [DEBUG] Using Wagon implementation lightweight from default mapping for
>> protocol http
>>
>> [WARNING] repository metadata for: 'org.apache.maven.plugins' could not be
>> retrieved from repository: central due to an error: Error transferring
> file:
>> repo1.maven.org
>>
>> [DEBUG] Exception
>>
>> org.apache.maven.wagon.TransferFailedException: Error transferring file:
>> repo1.maven.org
>>
>>        at
>>
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
>> htweightHttpWagon.java:143)
>>
>>        at
>> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>>
>>        at
>> org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>>
>>        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>>
>>        at
>>
> org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
>> agonManager.java:546)
>>
>>        at
>>
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
>> faultWagonManager.java:443)
>>
>>        at
>>
> org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
>> er.resolve(DefaultRepositoryMetadataManager.java:97)
>>
>>        at
>>
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
>> ltPluginMappingManager.java:103)
>>
>>        at
>>
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
>> ltPluginMappingManager.java:87)
>>
>>        at
>>
> org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
>> nMappingManager.java:61)
>>
>>        at
>>
> org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
>> faultPluginManager.java:159)
>>
>>        at
>>
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
>> tLifecycleExecutor.java:1801)
>>
>>        at
>>
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
>> tionNeeds(DefaultLifecycleExecutor.java:462)
>>
>>        at
>>
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
>> Executor.java:175)
>>
>>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>>
>>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>>
>>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>>
>>        at
>> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>>
>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>
>>        at
>>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
>> )
>>
>>        at
>>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
>> .java:25)
>>
>>        at java.lang.reflect.Method.invoke(Method.java:597)
>>
>>        at
>> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>>
>>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>>
>>        at
>> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>>
>>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>>
>> Caused by: java.net.UnknownHostException: repo1.maven.org
>>
>>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>>
>>        at java.net.Socket.connect(Socket.java:519)
>>
>>        at java.net.Socket.connect(Socket.java:469)
>>
>>        at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>>
>>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>>
>>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>>
>>        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>>
>>        at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>>
>>        at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>>
>>        at
>>
> sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
>> on.java:788)
>>
>>        at
>>
> sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
>> ava:729)
>>
>>        at
>>
> sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
>> 54)
>>
>>        at
>>
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
>> .java:977)
>>
>>        at
>> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
>>
>>        at
>>
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
>> htweightHttpWagon.java:115)
>>
>>        ... 25 more
>>
>> [INFO] Repository 'central' will be blacklisted
>>
>>
>>
>> andrew@melb-web:~/mvntest$ nslookup repo1.maven.org
>>
>> Server:         203.12.160.35
>>
>> Address:        203.12.160.35#53
>>
>>
>>
>> Non-authoritative answer:
>>
>> Name:   repo1.maven.org
>>
>> Address: 38.97.124.18
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
For additional commands, e-mail: users-help@maven.apache.org


RE: maven runtime error java.net.UnknownHostException: repo1.maven.org.

Posted by Andrew Bucknell <dr...@hotmail.com>.
Thanks for the suggestion Brett but it appears that wasn’t the right fix. I
updated to jdk 1.6.0_20. Im getting the same error in the same place.

Caused by: java.net.UnknownHostException: repo1.maven.org


-----Original Message-----
From: Brett Randall [mailto:javabrett@gmail.com] 
Sent: Thursday, 1 July 2010 11:37 AM
To: Maven Users List
Subject: Re: maven runtime error java.net.UnknownHostException:
repo1.maven.org.

Someone else posted similar a few weeks back with the same JDK
version, which is pretty old:
http://maven.40175.n5.nabble.com/Maven-in-5-minutes-doesn-t-work-tt510820.ht
ml#a510820

"Thanks for the support guys, it was not a proxy issue. I upgraded my
JDK/JRE
from 1.6.0_03 to 1.6.0_20 and it all came back on the track, a bit strange
though. "

I'd try updating to a current patch release of JDK 1.6.0 on you platform.

Best
Brett

On Thu, Jul 1, 2010 at 11:13 AM, Andrew Bucknell <dr...@hotmail.com>
wrote:
> I downloaded maven 2.2.1 on to my debian box and am having problems with
it.
> I am not using a proxy or a firewall yet I am getting the following debug
> messages - most notably
>
>
>
> Caused by: java.net.UnknownHostException: repo1.maven.org.
>
>
>
> I am able to resolve the hostname using nslookup from the command line.
The
> notes I have found so far suggest such problems are typically caused by
> proxies
>
> Or firewalls, but as I have neither I am stumped. Any suggestions?
>
>
>
> Andrew
>
>
>
>
>
> andrew@melb-web:~/mvntest$ mvn -X archetype:generate
>
> + Error stacktraces are turned on.
>
> Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)
>
> Java version: 1.6.0_03
>
> Java home: /usr/local/java/jdk1.6.0_03/jre
>
> Default locale: en_AU, platform encoding: UTF-8
>
> OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"
>
> [DEBUG] Building Maven user-level plugin registry from:
> '/home/andrew/.m2/plugin-registry.xml'
>
> [DEBUG] Building Maven global-level plugin registry from:
> '/usr/local/apache/maven/conf/plugin-registry.xml'
>
> [INFO] Scanning for projects...
>
> [INFO] Searching repository for plugin with prefix: 'archetype'.
>
> [DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins
>
> [INFO] org.apache.maven.plugins: checking for updates from central
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [DEBUG] Checking for pre-existing User-Agent configuration.
>
> [DEBUG] Adding User-Agent configuration.
>
> [DEBUG] Connecting to repository: 'central' with url:
> 'http://repo1.maven.org/maven2'.
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [WARNING] repository metadata for: 'org.apache.maven.plugins' could not be
> retrieved from repository: central due to an error: Error transferring
file:
> repo1.maven.org
>
> [DEBUG] Exception
>
> org.apache.maven.wagon.TransferFailedException: Error transferring file:
> repo1.maven.org
>
>        at
>
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:143)
>
>        at
> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>
>        at
> org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>
>        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>
>        at
>
org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
> agonManager.java:546)
>
>        at
>
org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
> faultWagonManager.java:443)
>
>        at
>
org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
> er.resolve(DefaultRepositoryMetadataManager.java:97)
>
>        at
>
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:103)
>
>        at
>
org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:87)
>
>        at
>
org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
> nMappingManager.java:61)
>
>        at
>
org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
> faultPluginManager.java:159)
>
>        at
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
> tLifecycleExecutor.java:1801)
>
>        at
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
> tionNeeds(DefaultLifecycleExecutor.java:462)
>
>        at
>
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
> Executor.java:175)
>
>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>
>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>
>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>
>        at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>        at
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> )
>
>        at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:25)
>
>        at java.lang.reflect.Method.invoke(Method.java:597)
>
>        at
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>
>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>
>        at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>
>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
> Caused by: java.net.UnknownHostException: repo1.maven.org
>
>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>
>        at java.net.Socket.connect(Socket.java:519)
>
>        at java.net.Socket.connect(Socket.java:469)
>
>        at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>
>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>
>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>
>        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>
>        at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>
>        at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>
>        at
>
sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
> on.java:788)
>
>        at
>
sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
> ava:729)
>
>        at
>
sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
> 54)
>
>        at
>
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
> .java:977)
>
>        at
> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
>
>        at
>
org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:115)
>
>        ... 25 more
>
> [INFO] Repository 'central' will be blacklisted
>
>
>
> andrew@melb-web:~/mvntest$ nslookup repo1.maven.org
>
> Server:         203.12.160.35
>
> Address:        203.12.160.35#53
>
>
>
> Non-authoritative answer:
>
> Name:   repo1.maven.org
>
> Address: 38.97.124.18
>
>

---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
For additional commands, e-mail: users-help@maven.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
For additional commands, e-mail: users-help@maven.apache.org


Re: maven runtime error java.net.UnknownHostException: repo1.maven.org.

Posted by Brett Randall <ja...@gmail.com>.
Someone else posted similar a few weeks back with the same JDK
version, which is pretty old:
http://maven.40175.n5.nabble.com/Maven-in-5-minutes-doesn-t-work-tt510820.html#a510820

"Thanks for the support guys, it was not a proxy issue. I upgraded my JDK/JRE
from 1.6.0_03 to 1.6.0_20 and it all came back on the track, a bit strange
though. "

I'd try updating to a current patch release of JDK 1.6.0 on you platform.

Best
Brett

On Thu, Jul 1, 2010 at 11:13 AM, Andrew Bucknell <dr...@hotmail.com> wrote:
> I downloaded maven 2.2.1 on to my debian box and am having problems with it.
> I am not using a proxy or a firewall yet I am getting the following debug
> messages - most notably
>
>
>
> Caused by: java.net.UnknownHostException: repo1.maven.org.
>
>
>
> I am able to resolve the hostname using nslookup from the command line. The
> notes I have found so far suggest such problems are typically caused by
> proxies
>
> Or firewalls, but as I have neither I am stumped. Any suggestions?
>
>
>
> Andrew
>
>
>
>
>
> andrew@melb-web:~/mvntest$ mvn -X archetype:generate
>
> + Error stacktraces are turned on.
>
> Apache Maven 2.2.1 (r801777; 2009-08-07 05:16:01+1000)
>
> Java version: 1.6.0_03
>
> Java home: /usr/local/java/jdk1.6.0_03/jre
>
> Default locale: en_AU, platform encoding: UTF-8
>
> OS name: "linux" version: "2.6.22-3-amd64" arch: "i386" Family: "unix"
>
> [DEBUG] Building Maven user-level plugin registry from:
> '/home/andrew/.m2/plugin-registry.xml'
>
> [DEBUG] Building Maven global-level plugin registry from:
> '/usr/local/apache/maven/conf/plugin-registry.xml'
>
> [INFO] Scanning for projects...
>
> [INFO] Searching repository for plugin with prefix: 'archetype'.
>
> [DEBUG] Loading plugin prefixes from group: org.apache.maven.plugins
>
> [INFO] org.apache.maven.plugins: checking for updates from central
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [DEBUG] Checking for pre-existing User-Agent configuration.
>
> [DEBUG] Adding User-Agent configuration.
>
> [DEBUG] Connecting to repository: 'central' with url:
> 'http://repo1.maven.org/maven2'.
>
> [DEBUG] Using Wagon implementation lightweight from default mapping for
> protocol http
>
> [WARNING] repository metadata for: 'org.apache.maven.plugins' could not be
> retrieved from repository: central due to an error: Error transferring file:
> repo1.maven.org
>
> [DEBUG] Exception
>
> org.apache.maven.wagon.TransferFailedException: Error transferring file:
> repo1.maven.org
>
>        at
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:143)
>
>        at
> org.apache.maven.wagon.StreamWagon.getInputStream(StreamWagon.java:116)
>
>        at
> org.apache.maven.wagon.StreamWagon.getIfNewer(StreamWagon.java:88)
>
>        at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:61)
>
>        at
> org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultW
> agonManager.java:546)
>
>        at
> org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(De
> faultWagonManager.java:443)
>
>        at
> org.apache.maven.artifact.repository.metadata.DefaultRepositoryMetadataManag
> er.resolve(DefaultRepositoryMetadataManager.java:97)
>
>        at
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:103)
>
>        at
> org.apache.maven.plugin.DefaultPluginMappingManager.loadPluginMappings(Defau
> ltPluginMappingManager.java:87)
>
>        at
> org.apache.maven.plugin.DefaultPluginMappingManager.getByPrefix(DefaultPlugi
> nMappingManager.java:61)
>
>        at
> org.apache.maven.plugin.DefaultPluginManager.getPluginDefinitionForPrefix(De
> faultPluginManager.java:159)
>
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul
> tLifecycleExecutor.java:1801)
>
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.segmentTaskListByAggrega
> tionNeeds(DefaultLifecycleExecutor.java:462)
>
>        at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle
> Executor.java:175)
>
>        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>
>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>
>        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>
>        at
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
> )
>
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
> .java:25)
>
>        at java.lang.reflect.Method.invoke(Method.java:597)
>
>        at
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>
>        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>
>        at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>
>        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
> Caused by: java.net.UnknownHostException: repo1.maven.org
>
>        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
>
>        at java.net.Socket.connect(Socket.java:519)
>
>        at java.net.Socket.connect(Socket.java:469)
>
>        at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>
>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>
>        at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>
>        at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>
>        at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>
>        at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>
>        at
> sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnecti
> on.java:788)
>
>        at
> sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.j
> ava:729)
>
>        at
> sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:6
> 54)
>
>        at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
> .java:977)
>
>        at
> java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:373)
>
>        at
> org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(Lig
> htweightHttpWagon.java:115)
>
>        ... 25 more
>
> [INFO] Repository 'central' will be blacklisted
>
>
>
> andrew@melb-web:~/mvntest$ nslookup repo1.maven.org
>
> Server:         203.12.160.35
>
> Address:        203.12.160.35#53
>
>
>
> Non-authoritative answer:
>
> Name:   repo1.maven.org
>
> Address: 38.97.124.18
>
>

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