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Cannot resolve pre-scanned extension artifact: org.apache.maven.wagon:wagon-scm: Failed to resolve extension: org.apache.maven.wagon:wagon-scm:jar:1.0-beta-6
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Cannot resolve pre-scanned extension artifact: org.apache.maven.wagon:wagon-scm: Failed to resolve extension: org.apache.maven.wagon:wagon-scm:jar:1.0-beta-6
org.apache.maven.extension.ExtensionManagerException: Failed to resolve extension: org.apache.maven.wagon:wagon-scm:jar:1.0-beta-6	at org.apache.maven.extension.DefaultExtensionManager.init$_aroundBody2(DefaultExtensionManager.java:352)	at org.apache.maven.extension.DefaultExtensionManager.init$_aroundBody3$advice(DefaultExtensionManager.java:384)	at org.apache.maven.extension.DefaultExtensionManager.addExtension(DefaultExtensionManager.java:352)	at org.apache.maven.extension.DefaultExtensionManager.addExtension(DefaultExtensionManager.java:148)	at org.apache.maven.extension.DefaultBuildExtensionScanner.checkModelBuildForExtensions(DefaultBuildExtensionScanner.java:365)	at org.apache.maven.extension.DefaultBuildExtensionScanner.scanInternal(DefaultBuildExtensionScanner.java:187)	at org.apache.maven.extension.DefaultBuildExtensionScanner.scanForBuildExtensions(DefaultBuildExtensionScanner.java:120)	at org.apache.maven.embedder.MavenEmbedder.readProject(MavenEmbedder.java:377)	at org.apache.maven.embedder.MavenEmbedder.readProjectWithDependencies_aroundBody0(MavenEmbedder.java:416)	at org.apache.maven.embedder.MavenEmbedder.readProjectWithDependencies_aroundBody1$advice(MavenEmbedder.java:304)	at org.apache.maven.embedder.MavenEmbedder.readProjectWithDependencies(MavenEmbedder.java:1)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl$MavenProjectReader.execute(MavenProjectManagerImpl.java:1117)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.execute(MavenProjectManagerImpl.java:986)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.readProjectWithDependencies(MavenProjectManagerImpl.java:967)	at org.maven.ide.eclipse.internal.project.MavenProjectFacade.getMavenProject(MavenProjectFacade.java:180)	at org.maven.ide.eclipse.internal.project.WorkspaceStateWriter.mavenProjectChanged(WorkspaceStateWriter.java:52)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.notifyProjectChangeListeners(MavenProjectManagerImpl.java:698)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.refresh(MavenProjectManagerImpl.java:366)	at org.maven.ide.eclipse.internal.project.MavenProjectManagerRefreshJob.run(MavenProjectManagerRefreshJob.java:95)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)