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From Brett Porter <br...@apache.org>
Subject Re: Synchronization issue with parallel downloads
Date Tue, 03 Mar 2009 11:09:30 GMT
This should be easy to replicate, I'll reopen the issue.

On 03/03/2009, at 10:07 PM, Benjamin Bentmann wrote:

> Hi,
>
> I just stumbled upon another issue with the parallel artifact  
> resolution in 2.1.x:
>
>> + Error stacktraces are turned on.
>> [INFO] Scanning for projects...
>> [INFO]  
>> ------------------------------------------------------------------------
>> [INFO] Building Maven Integration Test :: Boostrap
>> [INFO]    task-segment: [test-compile]
>> [INFO]  
>> ------------------------------------------------------------------------
>> [INFO] [resources:resources]
>> [INFO] Using default encoding to copy filtered resources.
>> [INFO] snapshot org.apache.maven.its.plugins:maven-it-plugin-error: 
>> 2.1-SNAPSHOT: checking for updates from apache.snapshots
>> [INFO] snapshot org.apache.maven.its.plugins:maven-it-plugin-plexus- 
>> component-api:2.1-SNAPSHOT: checking for updates from  
>> apache.snapshots
>> [INFO] snapshot org.apache.maven.its.plugins:maven-it-plugin- 
>> toolchain:2.1-SNAPSHOT: checking for updates from apache.snapshots
>> [INFO] [compiler:compile]
>> [INFO] No sources to compile
>> [INFO] [resources:testResources]
>> [INFO] Using default encoding to copy filtered resources.
>> Downloading: http://repository.sonatype.org/content/repositories/maven.snapshots/org/apache/maven/plugins/maven-clean-plugin/0.1-stub-SNAPSHOT/maven-clean-plugin-0.1-stub-20090302.180447-250.jar
>> Downloading: http://repository.sonatype.org/content/repositories/maven.snapshots/org/apache/maven/its/plugins/maven-it-plugin-packaging/2.1-SNAPSHOT/maven-it-plugin-packaging-2.1-20090302.180447-362.jar
>> Exception in thread "pool-1-thread-2" java.lang.RuntimeException:  
>> org.apache.maven.artifact.resolver.ArtifactResolutionException:  
>> Error transferring file: Connection refused: connect
>>  org.apache.maven.plugins:maven-clean-plugin:jar:0.1- 
>> stub-20090302.180447-250
>> from the specified remote repositories:
>>  apache.snapshots (http://repository.apache.org/snapshots),
>>  central (http://repo1.maven.org/maven2),
>>  maven.it (http://repository.sonatype.org/content/repositories/maven.snapshots 
>> )
>> Path to dependency: 	1) org.apache.maven.its.bootstrap:maven-it- 
>> boostrap:jar:1.0
>> 	2) org.apache.maven.plugins:maven-clean-plugin:jar:0.1-stub-SNAPSHOT
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.run(DefaultArtifactResolver.java:443)
>> 	at  
>> hidden 
>> .edu 
>> .emory 
>> .mathcs 
>> .backport 
>> .java 
>> .util 
>> .concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 
>> 1061)
>> 	at  
>> hidden 
>> .edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor 
>> $Worker.run(ThreadPoolExecutor.java:575)
>> 	at java.lang.Thread.run(Thread.java:619)
>> Caused by:  
>> org.apache.maven.artifact.resolver.ArtifactResolutionException:  
>> Error transferring file: Connection refused: connect
>>  org.apache.maven.plugins:maven-clean-plugin:jar:0.1- 
>> stub-20090302.180447-250
>> from the specified remote repositories:
>>  apache.snapshots (http://repository.apache.org/snapshots),
>>  central (http://repo1.maven.org/maven2),
>>  maven.it (http://repository.sonatype.org/content/repositories/maven.snapshots 
>> )
>> Path to dependency: 	1) org.apache.maven.its.bootstrap:maven-it- 
>> boostrap:jar:1.0
>> 	2) org.apache.maven.plugins:maven-clean-plugin:jar:0.1-stub-SNAPSHOT
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:233)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.resolveArtifact(DefaultArtifactResolver.java: 
>> 453)
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.run(DefaultArtifactResolver.java:434)
>> 	... 3 more
>> Caused by: org.apache.maven.wagon.TransferFailedException: Error  
>> transferring file: Connection refused: connect
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .wagon 
>> .providers 
>> .http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.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(DefaultWagonManager.java: 
>> 491)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java: 
>> 372)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:212)
>> 	... 6 more
>> Caused by: java.net.ConnectException: Connection refused: connect
>> 	at java.net.PlainSocketImpl.socketConnect(Native Method)
>> 	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>> 	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java: 
>> 195)
>> 	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>> 	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(HttpURLConnection.java:788)
>> 	at  
>> sun 
>> .net 
>> .www 
>> .protocol 
>> .http.HttpURLConnection.plainConnect(HttpURLConnection.java:729)
>> 	at  
>> sun 
>> .net 
>> .www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java: 
>> 654)
>> 	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(LightweightHttpWagon.java: 
>> 115)
>> 	... 12 more
>> Exception in thread "pool-1-thread-1" java.lang.RuntimeException:  
>> org.apache.maven.artifact.resolver.ArtifactResolutionException:  
>> Error transferring file: Connection refused: connect
>>  org.apache.maven.its.plugins:maven-it-plugin-packaging:jar: 
>> 2.1-20090302.180447-362
>> from the specified remote repositories:
>>  apache.snapshots (http://repository.apache.org/snapshots),
>>  central (http://repo1.maven.org/maven2),
>>  maven.it (http://repository.sonatype.org/content/repositories/maven.snapshots 
>> )
>> Path to dependency: 	1) org.apache.maven.its.bootstrap:maven-it- 
>> boostrap:jar:1.0
>> 	2) org.apache.maven.its.plugins:maven-it-plugin-packaging:jar:2.1- 
>> SNAPSHOT
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.run(DefaultArtifactResolver.java:443)
>> 	at  
>> hidden 
>> .edu 
>> .emory 
>> .mathcs 
>> .backport 
>> .java 
>> .util 
>> .concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java: 
>> 1061)
>> 	at  
>> hidden 
>> .edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor 
>> $Worker.run(ThreadPoolExecutor.java:575)
>> 	at java.lang.Thread.run(Thread.java:619)
>> Caused by:  
>> org.apache.maven.artifact.resolver.ArtifactResolutionException:  
>> Error transferring file: Connection refused: connect
>>  org.apache.maven.its.plugins:maven-it-plugin-packaging:jar: 
>> 2.1-20090302.180447-362
>> from the specified remote repositories:
>>  apache.snapshots (http://repository.apache.org/snapshots),
>>  central (http://repo1.maven.org/maven2),
>>  maven.it (http://repository.sonatype.org/content/repositories/maven.snapshots 
>> )
>> Path to dependency: 	1) org.apache.maven.its.bootstrap:maven-it- 
>> boostrap:jar:1.0
>> 	2) org.apache.maven.its.plugins:maven-it-plugin-packaging:jar:2.1- 
>> SNAPSHOT
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:233)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.resolveArtifact(DefaultArtifactResolver.java: 
>> 453)
>> 	at org.apache.maven.artifact.resolver.DefaultArtifactResolver 
>> $ResolveArtifactTask.run(DefaultArtifactResolver.java:434)
>> 	... 3 more
>> Caused by: org.apache.maven.wagon.TransferFailedException: Error  
>> transferring file: Connection refused: connect
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .wagon 
>> .providers 
>> .http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.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(DefaultWagonManager.java: 
>> 491)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java: 
>> 372)
>> 	at  
>> org 
>> .apache 
>> .maven 
>> .artifact 
>> .resolver 
>> .DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:212)
>> 	... 6 more
>> Caused by: java.net.ConnectException: Connection refused: connect
>> 	at java.net.PlainSocketImpl.socketConnect(Native Method)
>> 	at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>> 	at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java: 
>> 195)
>> 	at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>> 	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(HttpURLConnection.java:788)
>> 	at  
>> sun 
>> .net 
>> .www 
>> .protocol 
>> .http.HttpURLConnection.plainConnect(HttpURLConnection.java:729)
>> 	at  
>> sun 
>> .net 
>> .www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java: 
>> 654)
>> 	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(LightweightHttpWagon.java: 
>> 115)
>> 	... 12 more
>
> That's the complete log I could grab from core-it-suite/target/test- 
> classes/bootstrap/log.txt during a local run of the ITs. Note that  
> the log does not contain "BUILD ERROR" or any other indication of  
> the build termination, it's hanging (for about 20 minutes now)... I  
> guess the exception handling needs some more love.
>
>
> Benjamin
>
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>

--
Brett Porter
brett@apache.org
http://blogs.exist.com/bporter/


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