2013-08-31 18:03:03,189 INFO org.apache.hadoop.hbase.master.handler.DisableTableHandler: Attemping to disable table fb_posts
2013-08-31 18:03:03,195 INFO org.apache.hadoop.hbase.master.handler.DisableTableHandler: Disabled table is done=true
2013-08-31 18:03:17,377 DEBUG org.apache.hadoop.hbase.master.HMaster: Submitting snapshot request for:{ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=FLUSH }
2013-08-31 18:03:17,377 DEBUG org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils: Creation time not specified, setting to:1377972197377 (current time:1377972197377).
2013-08-31 18:03:17,378 DEBUG org.apache.hadoop.hbase.master.snapshot.SnapshotManager: No existing snapshot, attempting snapshot...
2013-08-31 18:03:17,379 DEBUG org.apache.hadoop.hbase.master.snapshot.SnapshotManager: Table is disabled, running snapshot entirely on master.
2013-08-31 18:03:17,389 DEBUG org.apache.hadoop.hbase.master.snapshot.SnapshotManager: Started snapshot: { ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=FLUSH }
2013-08-31 18:03:17,389 INFO org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler: Running DISABLED table snapshot fb_posts-2013-08-31-1377972197356 C_M_SNAPSHOT_TABLE on table fb_posts
2013-08-31 18:03:17,389 DEBUG org.apache.hadoop.hbase.util.FSUtils: Creating file=hdfs://hadoops-master:9000/hbase/.hbase-snapshot/.tmp/fb_posts-2013-08-31-1377972197356/.snapshotinfo with permission=rwxrwxrwx
2013-08-31 18:03:17,390 INFO org.apache.hadoop.hbase.util.FSUtils: FileSystem doesn't support getDefaultReplication
2013-08-31 18:03:17,390 INFO org.apache.hadoop.hbase.util.FSUtils: FileSystem doesn't support getDefaultBlockSize
2013-08-31 18:03:17,433 DEBUG org.apache.hadoop.hbase.snapshot.TableInfoCopyTask: Running table info copy.
2013-08-31 18:03:17,433 DEBUG org.apache.hadoop.hbase.snapshot.TableInfoCopyTask: Attempting to copy table info for snapshot:{ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED }
2013-08-31 18:03:17,461 DEBUG org.apache.hadoop.hbase.snapshot.TableInfoCopyTask: Finished copying tableinfo.
2013-08-31 18:03:17,461 DEBUG org.apache.hadoop.hbase.client.ClientScanner: Creating scanner over .META. starting at key 'fb_posts,,'
2013-08-31 18:03:17,461 DEBUG org.apache.hadoop.hbase.client.ClientScanner: Advancing internal scanner to startKey at 'fb_posts,,'
2013-08-31 18:03:17,590 DEBUG org.apache.hadoop.hbase.errorhandling.TimeoutExceptionInjector: Scheduling process timer to run in: 60000 ms
2013-08-31 18:03:17,592 DEBUG org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher: fb_posts-2013-08-31-1377972197356 accepting received exception
java.lang.NullPointerException via Failed snapshot { ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED } due to exception:null:java.lang.NullPointerException
        at org.apache.hadoop.hbase.master.snapshot.DisabledTableSnapshotHandler.snapshotRegions(DisabledTableSnapshotHandler.java:128)
        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)
Caused by: java.lang.NullPointerException
        at org.apache.hadoop.hbase.master.snapshot.DisabledTableSnapshotHandler.snapshotRegions(DisabledTableSnapshotHandler.java:88)
        ... 5 more
2013-08-31 18:03:17,594 DEBUG org.apache.hadoop.hbase.master.snapshot.DisabledTableSnapshotHandler: Marking snapshot{ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED } as finished.
2013-08-31 18:03:17,594 DEBUG org.apache.hadoop.hbase.errorhandling.TimeoutExceptionInjector: Marking timer as complete - no error notifications will be received for this timer.
2013-08-31 18:03:17,595 ERROR org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler: Failed taking snapshot { ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED } due to exception:java.lang.NullPointerException
java.lang.NullPointerException via Failed snapshot { ss=fb_posts-2013-08-31-1377972197356 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.process(TakeSnapshotHandler.java:150)
        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)
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)
        ... 4 more
2013-08-31 18:03:17,595 INFO org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler: Stop taking snapshot={ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED } because: Failed to take snapshot '{ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=DISABLED }' due to exception
2013-08-31 18:03:17,596 DEBUG org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler: Launching cleanup of working dir:hdfs://hadoops-master:9000/hbase/.hbase-snapshot/.tmp/fb_posts-2013-08-31-1377972197356
2013-08-31 18:03:18,394 DEBUG org.apache.hadoop.hbase.master.HMaster: Checking to see if snapshot from request:{ ss=fb_posts-2013-08-31-1377972197356 table=fb_posts type=FLUSH } is done