[ http://jira.codehaus.org/browse/MNG-714?page=comments#action_47238 ]
Brett Porter commented on MNG-714: ---------------------------------- listing both will check both every time, looking for the newest. The mirror is meant to be a closer mirror to use primarily but that should be identical to the other one, sO think this makes sense. If we don't do this, we might as well get rid of mirrors and just use repository overrides, which is what you are referring to. > When artifact not found on mirror the real site isn't checked > ------------------------------------------------------------- > > Key: MNG-714 > URL: http://jira.codehaus.org/browse/MNG-714 > Project: Maven 2 > Type: Bug > Components: maven-artifact > Versions: 2.0-beta-1 > Reporter: Kenney Westerhof > Assignee: John Casey > Fix For: 2.0-beta-3 > > Original Estimate: 3 hours > Remaining: 3 hours > > I'm using the settings.xml mirror feature as a local cache. Periodically I > upload my local repo > to the webserver specified as mirror. > When an artifact cannot be found on the mirror, the original site isn't > checked (and possibly the rest of the sites). > I'm not sure what the exact function of the mirror is (except caching?), but > repo1 is checked often regardless > of mirror presence, so I figure it's not meant to totally disable checking > the central repo's. > Simple reproduction: define a few mirrors in your settings.xml for central, > central-plugins and snapshots, pointing to > say file://tmp/empty/dir/. > Stacktrace: > [DEBUG] Error resolving artifact version from metadata. > org.apache.maven.wagon.ResourceDoesNotExistException: Unable to locate > resource in repository > at > org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.java:81) > at org.apache.maven.wagon.StreamWagon.get(StreamWagon.java:70) > at > org.apache.maven.artifact.manager.DefaultWagonManager.getRemoteFile(DefaultWagonManager.java:343) > at > org.apache.maven.artifact.manager.DefaultWagonManager.getArtifactMetadata(DefaultWagonManager.java:263) > at > org.apache.maven.artifact.metadata.AbstractVersionArtifactMetadata.retrieveFromRemoteRepository(AbstractVersionArtifactMetadata.java:93) > at > org.apache.maven.artifact.transform.AbstractVersionTransformation.retrieveFromRemoteRepository(AbstractVersionTransformation.java:171) > at > org.apache.maven.artifact.transform.AbstractVersionTransformation.resolveVersion(AbstractVersionTransformation.java:96) > at > org.apache.maven.artifact.transform.SnapshotTransformation.transformForResolve(SnapshotTransformation.java:43) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:95) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:63) > at > org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:290) > at > org.apache.maven.project.DefaultMavenProjectBuilder.buildFromRepository(DefaultMavenProjectBuilder.java:274) > at > org.apache.maven.project.artifact.MavenMetadataSource.retrieve(MavenMetadataSource.java:81) > at > org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:186) > at > org.apache.maven.artifact.resolver.DefaultArtifactCollector.collect(DefaultArtifactCollector.java:70) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:197) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:185) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:156) > at > org.apache.maven.plugin.DefaultPluginManager.ensurePluginContainerIsComplete(DefaultPluginManager.java:544) > at > org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:479) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:334) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:378) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:351) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:337) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:229) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:123) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:209) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:267) > 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:324) > 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.io.FileNotFoundException: > http://MY_MIRROR_SITE/maven2/repository/plexus/plexus-compiler-manager/1.5-SNAPSHOT/plexus-compiler-manager-1.5-SNAPSHOT.version.txt > at > sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:798) > at > org.apache.maven.wagon.providers.http.LightweightHttpWagon.fillInputData(LightweightHttpWagon.java:71) > ... 35 more > [DEBUG] Skipping disabled repository central > Downloading: > http://MY_MIRROR_SITE/maven2/repository/plexus/plexus-compiler-manager/1.5-SNAPSHOT/plexus-compiler-manager-1.5-SNAPSHOT.pom > [WARNING] Unable to get resource from repository > http://snapshots.maven.codehaus.org/maven2 > [WARNING] > ***** Using defaults for missing POM > plexus:plexus-compiler-manager:pom:1.5-SNAPSHOT ***** > [DEBUG] plexus:plexus-compiler-manager:jar:1.5-SNAPSHOT (selected for > runtime) > [DEBUG] Skipping disabled repository central > Downloading: > http://MY_MIRROR_SITE/maven2/repository/plexus/plexus-compiler-manager/1.5-SNAPSHOT/plexus-compiler-manager-1.5-SNAPSHOT.jar > [WARNING] Unable to get resource from repository > http://snapshots.maven.codehaus.org/maven2 > [INFO] > ---------------------------------------------------------------------------- > [ERROR] BUILD ERROR > [INFO] > ---------------------------------------------------------------------------- > [INFO] Diagnosis: Error configuring plugin for execution of > 'compiler:compile'. > [INFO] > ---------------------------------------------------------------------------- > [ERROR] Cause: > org.apache.maven.plugin.MojoExecutionException: Error configuring plugin for > execution of 'compiler:compile'. > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:339) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:378) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:351) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:337) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:229) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:123) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:209) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:267) > 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:324) > 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: org.apache.maven.plugin.PluginConfigurationException: Cannot > resolve plugin dependencies > at > org.apache.maven.plugin.DefaultPluginManager.ensurePluginContainerIsComplete(DefaultPluginManager.java:579) > at > org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:479) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:334) > ... 15 more > Caused by: org.apache.maven.artifact.resolver.ArtifactResolutionException: > Unable to download the artifact from any repository > plexus:plexus-compiler-manager:1.5-SNAPSHOT:jar > from the specified remote repositories: > http://repo1.maven.org/maven2, http://snapshots.maven.codehaus.org/maven2 > Path to dependency: > 1) > org.apache.maven.plugins:maven-compiler-plugin:maven-plugin:2.0-beta-1-SNAPSHOT > 2) plexus:plexus-compiler-manager:jar:1.5-SNAPSHOT > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:132) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:63) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:204) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:185) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:156) > at > org.apache.maven.plugin.DefaultPluginManager.ensurePluginContainerIsComplete(DefaultPluginManager.java:544) > ... 17 more > Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to > download the artifact from any repository > at > org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:233) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:115) > ... 22 more > [INFO] > ---------------------------------------------------------------------------- > [INFO] Total time: < 1 second > [INFO] Finished at: Tue Aug 09 10:39:58 CEST 2005 > [INFO] Final Memory: 2M/4M > [INFO] > ---------------------------------------------------------------------------- -- 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