I am facing some ERROR when i am runnig hadoop on map reduce environment in eclipse error,
An internal error occurred during:"Refresh DFS Children".
org.eclipse.team.internal.ccvs.ssh2.CVSSSH2Plugin.get PreferenceStore()Lorg /eclipse/jface/preference/IPreferenceStore.
can you specify which version of hadoop, OS name, java version you are using?
For now, try to follow these steps, which resolved this issue for me: