Re: Synchronization issue with parallel downloads

Wed, 04 Mar 2009 06:34:38 -0800 

ok, next? :)
(sorry, I should have picked this up the first time - it was a clear gap in the test coverage for the class since those exceptions were never being hit). 

- Brett

On 03/03/2009, at 10:09 PM, Brett Porter wrote:


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
[email protected]
http://blogs.exist.com/bporter/



--
Brett Porter
[email protected]
http://blogs.exist.com/bporter/


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