ERROR: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: org.apache.hadoop.hbase.snapshot.HBaseSnapshotException: Snapshot { ss=fb_posts-2013-08-31-1377972531003 table=fb_posts type=FLUSH } had an error.  fb_posts-2013-08-31-1377972531003 not found in proclist []
        at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:359)
        at org.apache.hadoop.hbase.master.HMaster.isSnapshotDone(HMaster.java:2204)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
        at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
Caused by: java.lang.NullPointerException via Failed snapshot { ss=fb_posts-2013-08-31-1377972531003 table=fb_posts type=DISABLED } due to exception:null:java.lang.NullPointerException
        at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:85)
        at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.rethrowExceptionIfFailed(TakeSnapshotHandler.java:251)
        at org.apache.hadoop.hbase.master.snapshot.SnapshotManager.isSnapshotDone(SnapshotManager.java:349)
        ... 7 more
Caused by: java.lang.NullPointerException
        at org.apache.hadoop.hbase.master.snapshot.DisabledTableSnapshotHandler.snapshotRegions(DisabledTableSnapshotHandler.java:88)
        at org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.process(TakeSnapshotHandler.java:149)
        at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:175)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
        at java.lang.Thread.run(Thread.java:662)

Here is some help for this command:
Restore a specified snapshot.
The restore will replace the content of the original table,
bringing back the content to the snapshot state.
The table must be disabled.

Examples:
  hbase> restore_snapshot 'snapshotName'


hbase(main):010:0>