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


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Hilmi Yildirim
Software Developer R&D

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