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Re: Synchronization issue with parallel downloads
by Benjamin Bentmann
::
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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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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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