no effect :( 2014-12-16 15:19 GMT+01:00 Marco <[email protected]>: > Hi, > > Hbase is installed correctly and working (hbase shell works fine). > > But I'm not able to use the Java API to connect to an existing Hbase Table: > > <<< > val conf = HBaseConfiguration.create() > > conf.clear() > > conf.set("hbase.zookeeper.quorum", "ip:2181"); > conf.set("hbase.zookeeper.property.clientPort", "2181"); > conf.set("hbase.zookeeper.dns.nameserver", "ip"); > conf.set("hbase.regionserver.port","60020"); > conf.set("hbase.master", "ip:60000"); > > val hTable = new HTable(conf, "truck_events") > >>>> > > Actually the coding is Scala but I think it is understandable, what I > am trying to achieve. I've tried also to use hbase-site.xml instead of > manually configuring it - but the result is the same. > > As response I got > 14/12/16 15:10:05 INFO zookeeper.ZooKeeper: Initiating client > connection, connectString=ip:2181 sessionTimeout=30000 > watcher=hconnection > 14/12/16 15:10:10 INFO zookeeper.ClientCnxn: Opening socket connection > to server ip:2181. Will not attempt to authenticate using SASL > (unknown error) > 14/12/16 15:10:10 INFO zookeeper.ClientCnxn: Socket connection > established to ip:2181, initiating session > 14/12/16 15:10:10 INFO zookeeper.ClientCnxn: Session establishment > complete on server ip:2181, sessionid = 0x14a53583e080010, negotiated > timeout = 30000 > > and then finally after a couple of minutes: (the constructor call of > HTable is hanging) > > [error] (run-main-0) > org.apache.hadoop.hbase.client.NoServerForRegionException: Unable to > find region for truck_events,,99999999999999 after 14 tries. > org.apache.hadoop.hbase.client.NoServerForRegionException: Unable to > find region for truck_events,,99999999999999 after 14 tries. > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:1092) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:997) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:1099) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:1001) > at > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:958) > at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:251) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:155) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:129) > at HbaseConnector$.main(HbaseConnector.scala:18) > at HbaseConnector.main(HbaseConnector.scala) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > [trace] Stack trace suppressed: run last compile:run for the full output. > 14/12/16 13:22:15 ERROR zookeeper.ClientCnxn: Event thread exiting due > to interruption > java.lang.InterruptedException > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:2017) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2052) > at > java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442) > at > org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:491) > 14/12/16 13:22:15 INFO zookeeper.ClientCnxn: EventThread shut down > java.lang.RuntimeException: Nonzero exit code: 1 > at scala.sys.package$.error(package.scala:27) > [trace] Stack trace suppressed: run last compile:run for the full output. > [error] (compile:run) Nonzero exit code: 1 > [error] Total time: 1106 s, completed Dec 16, 2014 1:22:15 PM > > > In the RegionServer log, I've seen this: > > 2014-12-16 13:31:34,087 DEBUG [RpcServer.listener,port=60020] > ipc.RpcServer: RpcServer.listener,port=60020: connection from > 10.97.68.159:41772; # active connections: 1 > 2014-12-16 13:33:34,220 DEBUG [RpcServer.reader=1,port=60020] > ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client > 10.97.68.159:41772 because read count=-1. Number of active > connections: 1 > 2014-12-16 13:36:26,988 DEBUG [LruStats #0] hfile.LruBlockCache: > Total=430.02 KB, free=401.18 MB, max=401.60 MB, blockCount=4, > accesses=28, hits=24, hitRatio=85.71%, , cachingAccesses=28, > cachingHits=24, cachingHitsRatio=85.71%, evictions=269, evicted=0, > evictedPerRun=0.0 > 2014-12-16 13:36:34,017 DEBUG [RpcServer.listener,port=60020] > ipc.RpcServer: RpcServer.listener,port=60020: connection from > 10.97.68.159:42728; # active connections: 1 > 2014-12-16 13:38:34,112 DEBUG [RpcServer.reader=2,port=60020] > ipc.RpcServer: RpcServer.listener,port=60020: DISCONNECTING client > 10.97.68.159:42728 because read count=-1. Number of active > connections: 1 > 2014-12-16 13:41:26,989 DEBUG [LruStats #0] hfile.LruBlockCache: > Total=430.02 KB, free=401.18 MB, max=401.60 MB, blockCount=4, > accesses=30, hits=26, hitRatio=86.67%, , cachingAccesses=30, > cachingHits=26, cachingHitsRatio=86.67%, evictions=299, evicted=0, > evictedPerRun=0.0 > > So it connects and disconnects with read count -1 . > > Can anybody help me finding the root cause of this issue ? I've tried > to restart Hbase and so on but with no effect. Hive is also working > fine, just not my coding :( > > Thanks a lot, > Marco
-- Viele Grüße, Marco
