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From Hilmi Yildirim <hilmi.yildi...@neofonie.de>
Subject Re: HBase Connection in cluster
Date Tue, 26 May 2015 12:07:17 GMT
I want to add that it is strange that the client wants to establish a 
connection to localhost but I have defined another machine.



Am 26.05.2015 um 14:05 schrieb Hilmi Yildirim:
> Hi,
> I implemented a job which reads data from HBASE with following code (I 
> replaced the real address by m1.example.com)
>
>         protected Scan getScanner() {
>             Scan scan = new Scan();
>             Configuration conf = HBaseConfiguration.create();
>             conf.set("hbase.zookeeper.quorum", "m1.example.com");
>             conf.set("hbase.zookeeper.property.clientPort", "2181");
>
>             try {
>                 table = new HTable(conf, "table");
>                 table.getScanner(scan);
>             } catch (IOException e) {
>                 // TODO Auto-generated catch block
>                 e.printStackTrace();
>             }
>             return scan;
>         }
>
>
> My code works well when I execute it local but when I execute deploy 
> it on the cluster then I get following exceptions:
>
> 14:00:30,610 INFO 
> org.apache.zookeeper.ClientCnxn                               - 
> Opening socket connection to server localhost/127.0.0.1:2181. Will not 
> attempt to authenticate using SASL (unknown error)
> 14:00:30,610 WARN 
> org.apache.zookeeper.ClientCnxn                               - 
> Session 0x0 for server null, unexpected error, closing socket 
> connection and attempting reconnect
> java.net.ConnectException: Verbindungsaufbau abgelehnt
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at 
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at 
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
>         at 
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
> 14:00:31,089 INFO 
> org.apache.zookeeper.ClientCnxn                               - 
> Opening socket connection to server localhost/127.0.0.1:2181. Will not 
> attempt to authenticate using SASL (unknown error)
> 14:00:31,089 WARN 
> org.apache.zookeeper.ClientCnxn                               - 
> Session 0x0 for server null, unexpected error, closing socket 
> connection and attempting reconnect
> java.net.ConnectException: Verbindungsaufbau abgelehnt
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at 
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
>         at 
> org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
>         at 
> org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
>
>
> Does anyone know what I make wrong?
>
> Best Regards,
> Hilmi
>

-- 
--
Hilmi Yildirim
Software Developer R&D

T: +49 30 24627-281
Hilmi.Yildirim@neofonie.de

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