Good day, Try adding [1] ( or your proxy to it ) to your pluginRepository ( not just in your <repostiroy> ) in your settings.xml or in the poms using the snapshot plugins.
>From your stack trace, it seems to me that [2] is the only pluginRepository known to your builds. Cheers, Franz [1] http://people.apache.org/maven-snapshot-repository [2] http://repo1.maven.org/maven2 Siegmann Daniel, NY wrote: > > Several people at my location have suddenly begun having build failures > whenever an Apache plugin snapshot needs to be downloaded to their local > repository. This includes key plugins such as > org.apache.maven.plugins:maven-resources-plugin. > > When I removed the plugin from my local repository I encountered the same > error: > >>>>>> > Project ID: org.apache.maven.plugins:maven-resources-plugin > > Reason: Error getting POM for > 'org.apache.maven.plugins:maven-resources-plugin' from the repository: > Failed to resolve artifact, possibly due to a repository list that is not > appropriately equipped for this artifact's metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > <<<<< > > We have an installation of maven-proxy set as a mirror of central, > codehaus, > and apache.snapshots. This has worked fine in the past, and the artifact > was > already present on the proxy (having been downloaded successfully in the > past). > > I tried removing the artifact from the proxy. Maven attempted to fetch the > artifact from the proxy, and the proxy logs show it was downloaded from > people.apache.org and cached successfully. But Maven still complains. > > Any ideas what could be causing this? It's a rather serious problem, since > it blocks all use of Maven when it crops up. :( We're using Sun JDK > 1.4.2_05 > and Maven 2.0.4 (and have been for some time). > > I have included a full trace below, though I didn't not see any > information > of use: > > + Error stacktraces are turned on. > Maven version: 2.0.4 > [DEBUG] Building Maven user-level plugin registry from: > 'D:\Profiles\SIE01876\.m2\plugin-registry.xml' > [DEBUG] Building Maven global-level plugin registry from: > 'd:\projects\tools\maven\2.0.4\conf\plugin-registry.xml' > [INFO] Scanning for projects... > [DEBUG] com.fja.pm:productmachine:jar:4.00_059 (selected for null) > [DEBUG] Retrieving parent-POM: > org.apache.maven.wagon:wagon-providers::1.0-beta-2 for project: > null:wagon-ftp:jar:1.0-beta-2 from the repository. > [DEBUG] Retrieving parent-POM: org.apache.maven.wagon:wagon::1.0-beta-2 > for > project: null:wagon-providers:pom:null from the repository. > [DEBUG] Retrieving parent-POM: org.apache.maven:maven-parent::4 for > project: > org.apache.maven.wagon:wagon:pom:1.0-beta-2 from the repository. > [DEBUG] Retrieving parent-POM: org.apache:apache::3 for project: > org.apache.maven:maven-parent:pom:4 from the repository. > [DEBUG] org.apache.maven.wagon:wagon-ftp:jar:1.0-beta-2:runtime > (selected > for runtime) > [DEBUG] commons-net:commons-net:jar:1.4.1:runtime (selected for > runtime) > [DEBUG] oro:oro:jar:2.0.8:runtime (selected for runtime) > [DEBUG] Retrieving parent-POM: org.apache.maven.wagon:wagon::1.0-beta-2 > for > project: null:wagon-provider-api:jar:1.0-beta-2 from the repository. > [DEBUG] Retrieving parent-POM: org.apache.maven:maven-parent::4 for > project: > org.apache.maven.wagon:wagon:pom:1.0-beta-2 from the repository. > [DEBUG] Retrieving parent-POM: org.apache:apache::3 for project: > org.apache.maven:maven-parent:pom:4 from the repository. > [DEBUG] > org.apache.maven.wagon:wagon-provider-api:jar:1.0-beta-2:runtime > (selected for runtime) > [DEBUG] org.codehaus.plexus:plexus-utils:jar:1.0.4:runtime (selected > for runtime) > [INFO] > ---------------------------------------------------------------------------- > [INFO] Building Product Machine > [INFO] task-segment: [test] > [INFO] > ---------------------------------------------------------------------------- > [DEBUG] maven-resources-plugin: resolved to version 2.3-SNAPSHOT from > repository central > [DEBUG] Skipping disabled repository central > [DEBUG] maven-resources-plugin: using locally installed snapshot > [DEBUG] Skipping disabled repository central > [INFO] > ------------------------------------------------------------------------ > [ERROR] BUILD ERROR > [INFO] > ------------------------------------------------------------------------ > [INFO] Error building POM (may not be this project's POM). > > > Project ID: org.apache.maven.plugins:maven-resources-plugin > > Reason: Error getting POM for > 'org.apache.maven.plugins:maven-resources-plugin' from the repository: > Failed to resolve artifact, possibly due to a repository li > st that is not appropriately equipped for this artifact's metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > > > [INFO] > ------------------------------------------------------------------------ > [DEBUG] Trace > org.apache.maven.lifecycle.LifecycleExecutionException: Error resolving > version for 'org.apache.maven.plugins:maven-resources-plugin': Unable to > read the metada > ta file for artifact > 'org.apache.maven.plugins:maven-resources-plugin:pom': > Error getting POM for 'org.apache.maven.plugins:maven-resources-plugin' > from > the rep > ository: Failed to resolve artifact, possibly due to a repository list > that > is not appropriately equipped for this artifact's metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLife > cycleExecutor.java:1261) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.getMojoDescriptor(Defaul > tLifecycleExecutor.java:1517) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.bindLifecycleForPackagin > g(DefaultLifecycleExecutor.java:1011) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.constructLifecycleMappin > gs(DefaultLifecycleExecutor.java:975) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifec > ycleExecutor.java:453) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFail > ures(DefaultLifecycleExecutor.java:306) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(Defa > ultLifecycleExecutor.java:273) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycle > Executor.java:140) > at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:256) > 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.version.PluginVersionResolutionException: > Error resolving version for > 'org.apache.maven.plugins:maven-resources-plugin': Unab > le to read the metadata file for artifact > 'org.apache.maven.plugins:maven-resources-plugin:pom': Error getting POM > for > 'org.apache.maven.plugins:maven-resources > -plugin' from the repository: Failed to resolve artifact, possibly due to > a > repository list that is not appropriately equipped for this artifact's > metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > at > org.apache.maven.plugin.version.DefaultPluginVersionManager.resolveMetaVersi > on(DefaultPluginVersionManager.java:678) > at > org.apache.maven.plugin.version.DefaultPluginVersionManager.resolvePluginVer > sion(DefaultPluginVersionManager.java:183) > at > org.apache.maven.plugin.version.DefaultPluginVersionManager.resolvePluginVer > sion(DefaultPluginVersionManager.java:87) > at > org.apache.maven.plugin.DefaultPluginManager.verifyPlugin(DefaultPluginManag > er.java:158) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.verifyPlugin(DefaultLife > cycleExecutor.java:1252) > ... 18 more > Caused by: > org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException: > Unable to read the metadata file for artifact > 'org.apache.maven.plugins:maven- > resources-plugin:pom': Error getting POM for > 'org.apache.maven.plugins:maven-resources-plugin' from the repository: > Failed to resolve artifact, possibly due to > a repository list that is not appropriately equipped for this artifact's > metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > at > org.apache.maven.project.artifact.MavenMetadataSource.retrieve(MavenMetadata > Source.java:131) > at > org.apache.maven.plugin.version.DefaultPluginVersionManager.resolveMetaVersi > on(DefaultPluginVersionManager.java:669) > ... 22 more > Caused by: org.apache.maven.project.ProjectBuildingException: Error > getting > POM for 'org.apache.maven.plugins:maven-resources-plugin' from the > repository: Faile > d to resolve artifact, possibly due to a repository list that is not > appropriately equipped for this artifact's metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > at > org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository( > DefaultMavenProjectBuilder.java:501) > at > org.apache.maven.project.DefaultMavenProjectBuilder.buildFromRepository(Defa > ultMavenProjectBuilder.java:225) > at > org.apache.maven.project.artifact.MavenMetadataSource.retrieve(MavenMetadata > Source.java:102) > ... 23 more > Caused by: org.apache.maven.artifact.resolver.ArtifactResolutionException: > Failed to resolve artifact, possibly due to a repository list that is not > appropriate > ly equipped for this artifact's metadata. > org.apache.maven.plugins:maven-resources-plugin:pom:2.3-SNAPSHOT > > from the specified remote repositories: > central (http://repo1.maven.org/maven2) > > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultAr > tifactResolver.java:129) > at > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultAr > tifactResolver.java:63) > at > org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository( > DefaultMavenProjectBuilder.java:467) > ... 25 more > [INFO] > ------------------------------------------------------------------------ > [INFO] Total time: < 1 second > [INFO] Finished at: Mon Feb 12 17:29:54 EST 2007 > [INFO] Final Memory: 1M/3M > [INFO] > ------------------------------------------------------------------------ > > Thanks, > -- > Daniel Siegmann > FJA-US, Inc. > 512 Seventh Ave., New York, NY 10018 > (212) 840-2618 ext. 139 > > --------------------------------------------------------------------- > To 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