>From the snippet you posted, it is hard to tell whether DEBUG logging was turned on.
If not, please turn on DEBUG logging and try to reproduce. Pastebinning hbase-site.xml would also help give us some clue. Cheers On Thu, Sep 10, 2015 at 9:10 PM, Ted Yu <yuzhih...@gmail.com> wrote: > htd is obtained in RSRpcServices#openRegion(): > > htd = htds.get(region.getTable()); > > if (htd == null) { > > htd = regionServer.tableDescriptors.get(region.getTable()); > > htds.put(region.getTable(), htd); > > } > > Can you pastebin more of the region server log prior to 03:36:21,111 ? > > Did you upgrade from previous release or was this a clean start ? > > Cheers > > On Thu, Sep 10, 2015 at 8:56 PM, Emmanuel <ele...@msn.com> wrote: > >> I am having an issue with HBase 1.1.2 setup >> I run on ZK server 3.5.0 alpha >> When I start Hbase region server and it joins the master, the hbase:meta >> table is created, but on trying to open the hbase:namespace table it fails >> I get >> 2015-09-11 03:36:21,111 INFO >> [PriorityRpcServer.handler=1,queue=1,port=16200] >> regionserver.RSRpcServices: Open >> hbase:namespace,,1441941622653.4c73fa60675e16e6f4e08b4bc08c1139.2015-09-11 >> 03:36:21,122 ERROR [RS_OPEN_REGION-hbase-rs-9olhj:16200-0] >> handler.OpenRegionHandler: Failed open of >> region=hbase:namespace,,1441941622653.4c73fa60675e16e6f4e08b4bc08c1139., >> starting to roll back the global memstore size. >> java.lang.IllegalStateException: Could not instantiate a region instance. >> at >> org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:5880) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6187) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6159) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6115) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:6066) >> at >> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:362) >> at >> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:129) >> at >> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:128) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> Caused by: java.lang.reflect.InvocationTargetException >> at sun.reflect.GeneratedConstructorAccessor4.newInstance(Unknown >> Source) >> at >> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) >> at java.lang.reflect.Constructor.newInstance(Constructor.java:526) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.newHRegion(HRegion.java:5877) >> ... 10 more >> Caused by: java.lang.IllegalArgumentException: Need table descriptor >> at >> org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:643) >> at >> org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:620) >> ... 14 more >> 2015-09-11 03:36:21,124 INFO [RS_OPEN_REGION-hbase-rs-9olhj:16200-0] >> coordination.ZkOpenRegionCoordination: Opening of region {ENCODED => >> 4c73fa60675e16e6f4e08b4bc08c1139, NAME => >> 'hbase:namespace,,1441941622653.4c73fa60675e16e6f4e08b4bc08c1139.', >> STARTKEY => '', ENDKEY => ''} failed, transitioning from OPENING to >> FAILED_OPEN in ZK, expecting version 118 >> In the region server logsand the Master stays stuck on Region in >> Transition.I tried restarting from scratch several times removing the hbase >> root folder in ZK and starting over but that doesn't help.I start the >> Master and the RegionServer manually with the hbase-daemon.sh script (1 >> master, 1 region server, on 2 separate nodes) I run in Docker container and >> have set IPs /hostnames in the hosts file so they can talk to each other. >> Any suggestions? >> Thanks for help >> >> > > >