创建maven项目失败，报错如下

chxhzy 2013-12-08 11:54:22

java.lang.IllegalArgumentException: Attempted to beginRule: MultiRule[P/testmybatis,P/.org.eclipse.jdt.core.external.folders], does not match outer scope rule: org.maven.ide.eclipse.internal.project.SchedulingRule@caeee4

at org.eclipse.core.runtime.Assert.isLegal(Assert.java:63)
at org.eclipse.core.internal.jobs.ThreadJob.illegalPush(ThreadJob.java:120)
at org.eclipse.core.internal.jobs.ThreadJob.push(ThreadJob.java:230)
at org.eclipse.core.internal.jobs.ImplicitJobs.begin(ImplicitJobs.java:80)
at org.eclipse.core.internal.jobs.JobManager.beginRule(JobManager.java:232)
at org.eclipse.core.internal.resources.WorkManager.checkIn(WorkManager.java:117)
at org.eclipse.core.internal.resources.Workspace.prepareOperation(Workspace.java:1747)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1795)
at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:793)
at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:2890)
at org.eclipse.jdt.internal.core.JavaProject.setRawClasspath(JavaProject.java:2921)
at org.maven.ide.eclipse.jdt.internal.JavaProjectConfigurator.addMavenClasspathContainer(JavaProjectConfigurator.java:585)
at org.maven.ide.eclipse.jdt.internal.JavaProjectConfigurator.configure(JavaProjectConfigurator.java:92)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:232)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.configureNewMavenProject(ProjectConfigurationManager.java:186)
at org.maven.ide.eclipse.internal.project.ProjectConfigurationManager.importProjects(ProjectConfigurationManager.java:144)
at org.maven.ide.eclipse.wizards.MavenImportWizard$1.runInWorkspace(MavenImportWizard.java:92)
at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

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