How to import data from File?

I try to run repotools-jts import fromFile=C:\test.tar

However, I received errors.
\2012-02-13 13:01:17,515 Jazz Foundation - Core Libraries, Version 3.0 (RJF-I20101112-0630)

2012-02-13 13:01:17,515 The command "import" is not recognized.
2012-02-13 13:01:17,515 The command "import" is not recognized.
java.lang.IllegalArgumentException: The command "import" is not recognized.
at com.ibm.team.repotools.rcp.internal.RepositoryToolsApplication.run(RepositoryToolsApplication.java:730)
at com.ibm.team.repotools.rcp.internal.RepositoryToolsApplication.start(RepositoryToolsApplication.java:811)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:194)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:368)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:79)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:618)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
at org.eclipse.equinox.launcher.Main.main(Main.java:1287)