2012-03-28 15:53:04,609 DEBUG zookeeper.ZKAssign (ZKAssign.java:transitionNode(820)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - regionserver:60020-0x1365b7da43d0004 Successfully transitioned node 70236052 from M_ZK_REGION_OFFLINE to RS_ZK_REGION_OPENING
2012-03-28 15:53:04,610 DEBUG regionserver.HRegion (HRegion.java:openHRegion(3268)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - Opening region: {NAME => '-ROOT-,,0', STARTKEY => '', ENDKEY => '', ENCODED => 70236052,}
2012-03-28 15:53:04,644 INFO  regionserver.HRegion (HRegion.java:setHTableSpecificConf(485)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - Setting up tabledescriptor config now ...
2012-03-28 15:53:04,664 DEBUG regionserver.HRegion (HRegion.java:<init>(479)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - Instantiated -ROOT-,,0.70236052
2012-03-28 15:53:04,838 ERROR handler.OpenRegionHandler (OpenRegionHandler.java:openRegion(346)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - Failed open of region=-ROOT-,,0.70236052
java.io.IOException: java.lang.IllegalArgumentException: Invalid HFile version: 16777218 (expected to be between 1 and 2)
  at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.readFromStream(FixedFileTrailer.java:306)
  at org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:344)
  at org.apache.hadoop.hbase.io.hfile.HFile.createReader(HFile.java:360)
  at org.apache.hadoop.hbase.regionserver.StoreFile$Reader.<init>(StoreFile.java:1013)
  at org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:474)
  at org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:552)
  at org.apache.hadoop.hbase.regionserver.Store.loadStoreFiles(Store.java:290)
  at org.apache.hadoop.hbase.regionserver.Store.<init>(Store.java:227)
  at org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:2611)
  at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:553)
  at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3329)
  at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3277)
  at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:331)
  at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:107)
  at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:169)
  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
  at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.IllegalArgumentException: Invalid HFile version: 16777218 (expected to be between 1 and 2)
  at org.apache.hadoop.hbase.io.hfile.HFile.checkFormatVersion(HFile.java:488)
  at org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.readFromStream(FixedFileTrailer.java:303)
  ... 17 more
2012-03-28 15:53:04,840 INFO  handler.OpenRegionHandler (OpenRegionHandler.java:tryTransitionToFailedOpen(303)) <<RS_OPEN_ROOT-sea-lab-1,60020,1332974825032-0>> - Opening of region {NAME => '-ROOT-,,0', STARTKEY => '', ENDKEY => '', ENCODED => 70236052,} failed, marking as FAILED_OPEN in ZK