-Re: HConnectionImplementation closed
Antony Neu 2013-01-08, 10:41
Can anyone tell me when this exception is thrown?
Am 06.01.2013 12:35, schrieb [EMAIL PROTECTED]:
> Hi there,
> I'm having problems accessing HBase from within a MapReduce programme
> on my cluster. To locate the problem I've written a very simple test
> programme. It runs fine on the master node, however on the other nodes
> I get the same error that was causing problems in the MapReduce
> at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:251)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:215)
> at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:173)
> at TestHBase.main(TestHBase.java:29)
> This occurs after these lines in the programme:
> Configuration conf = HBaseConfiguration.create();
> conf.set("hbase.master", args);
> HTable table = new HTable(conf, "Table1");
> Note: I'm note accessing HBase through the InputFormat. I simply would
> like to read out a few values in the setup-method of my mappers. hbase
> shell seems to be working on all nodes just fine and I can ping and
> telnet the master node on port 60000 from the other nodes.
> What could be the problem? Am i missing something? I've installed
> HBase with cloudera manager CDH4.
> Kind regards,