Adding a dependency on pom.xml and updating via Maven -> Update Project I get this error (see .log below)
!ENTRY org.eclipse.core.jobs 4 2 2012-08-22 10:04:31.078 !MESSAGE An internal error occurred during: "Updating Maven Project". !STACK 0 java.lang.NoClassDefFoundError: org/apache/maven/plugin/war/util/MappingUtils at org.maven.ide.eclipse.wtp.namemapping.PatternBasedFileNameMapping.mapFileName(PatternBasedFileNameMapping.java:36) at org.maven.ide.eclipse.wtp.WebProjectConfiguratorDelegate.configureClasspath(WebProjectConfiguratorDelegate.java:367) at org.maven.ide.eclipse.wtp.WTPProjectConfigurator.configureClasspath(WTPProjectConfigurator.java:95) at org.eclipse.m2e.jdt.internal.DefaultClasspathManagerDelegate.populateClasspath(DefaultClasspathManagerDelegate.java:61) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:303) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:411) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:392) at org.eclipse.m2e.jdt.internal.BuildPathManager.getClasspath(BuildPathManager.java:419) at org.eclipse.m2e.jdt.internal.BuildPathManager.updateClasspath(BuildPathManager.java:240) at org.eclipse.m2e.jdt.internal.BuildPathManager.mavenProjectChanged(BuildPathManager.java:229) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.notifyProjectChangeListeners(ProjectRegistryManager.java:724) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.applyMutableProjectRegistry(ProjectRegistryManager.java:847) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:280) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:323) at org.eclipse.m2e.core.ui.internal.UpdateMavenProjectJob.runInWorkspace(UpdateMavenProjectJob.java:74) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Any suggestion?
