Tell us more about your cluster setup. You've upped your file descriptors as per 'Getting Started' doc?
St.Ack On Fri, May 29, 2009 at 7:11 PM, Xinan Wu <[email protected]> wrote: > Hi, > > I started to experiment hbase-0.20 trunk code today and imported about > 6GB data using native JAVA API. I occationally get > RetriesExhaustedException exception during importing and it's usually > fixable by restarting everything and resume importing from where it > stopped last time. But now I am in a state that I can reproduce this > exception repeatably, even after I completely restart hbase master and > hdfs master (!).... > > After fresh new start, in hbase shell, i can scan '-ROOT-' and > '.META.', but retrieving value (get) from any other table results > RetriesExhaustedException exception: > > NativeException: > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to > contact region server null for region , row '2', but failed after 5 > attempts. > Exceptions: > org.apache.hadoop.hbase.TableNotFoundException: myTable > org.apache.hadoop.hbase.TableNotFoundException: myTable > org.apache.hadoop.hbase.TableNotFoundException: myTable > org.apache.hadoop.hbase.TableNotFoundException: myTable > org.apache.hadoop.hbase.TableNotFoundException: myTable > > from org/apache/hadoop/hbase/client/HConnectionManager.java:922:in > `getRegionServerWithRetries' > from org/apache/hadoop/hbase/client/HTable.java:632:in `getRow' > ... > > issuing 'scan' command of the table just hangs. > > Anyone has any idea where I should investigate? The hadoop > namenode/datanode logs and hbase master/regionserver logs all look > normal. My table scheme is very simple, single column, everything > running on the same dev box. > > Thanks, >
