What does the "hostname" command return on the master? Do you have any backup-masters configured?
What is the contents of your regionservers file? On Mon, Sep 29, 2014 at 9:55 AM, SACHINGUPTA <[email protected]> wrote: > yes > > On Monday 29 September 2014 08:18 PM, Sean Busbey wrote: > >> Does the IP you listed properly handle DNS resolution? You should make >> sure >> forward and reverse look up work properly for hosts used. >> >> Generally you should also configure things via host name and not IP >> address. >> >> On Mon, Sep 29, 2014 at 8:17 AM, SACHINGUPTA <[email protected]> >> wrote: >> >> java client >>> >>> package com.example.hbaseconnect.HBaseConnect; >>> >>> import java.io.IOException; >>> >>> import org.apache.hadoop.conf.Configuration; >>> import org.apache.hadoop.hbase.HBaseConfiguration; >>> import org.apache.hadoop.hbase.client.HBaseAdmin; >>> import org.apache.hadoop.hbase.client.HTable; >>> import org.apache.hadoop.hbase.client.Scan; >>> >>> public class HBaseConnect { >>> public static void main(String[] args) throws IOException { >>> Configuration conf = HBaseConfiguration.create(); >>> conf.clear(); >>> conf.addResource("hbase-site.xml"); >>> conf.set("hbase.zookeeper.quorum","10.255.1.61"); >>> conf.set("hbase.zookeeper.property.clientPort","2181"); >>> conf.set("hbase.master", "10.255.1.61:60010"); >>> >>> HBaseAdmin.checkHBaseAvailable(conf); >>> System.out.println("connected to hbase"); >>> HTable table = new HTable(conf, "bunty"); >>> Scan scan = new Scan(); >>> } >>> } >>> >>> >>> client side hbase-site.xml >>> >>> <?xml version="1.0" encoding="UTF-8"?> >>> >>> <!--Autogenerated by Cloudera CM on 2014-08-28T02:35:59.408Z--> >>> <configuration> >>> <property> >>> <name>hbase.rootdir</name> >>> <value>hdfs://10.255.1.61:8020/hbase</value> >>> </property> >>> <property> >>> <name>hbase.client.write.buffer</name> >>> <value>2097152</value> >>> </property> >>> <property> >>> <name>hbase.client.pause</name> >>> <value>1000</value> >>> </property> >>> <property> >>> <name>hbase.client.retries.number</name> >>> <value>10</value> >>> </property> >>> <property> >>> <name>hbase.client.scanner.caching</name> >>> <value>1</value> >>> </property> >>> <property> >>> <name>hbase.client.keyvalue.maxsize</name> >>> <value>10485760</value> >>> </property> >>> <property> >>> <name>hbase.rpc.timeout</name> >>> <value>60000</value> >>> </property> >>> <property> >>> <name>hbase.security.authentication</name> >>> <value>simple</value> >>> </property> >>> <property> >>> <name>zookeeper.session.timeout</name> >>> <value>60000</value> >>> </property> >>> <property> >>> <name>zookeeper.znode.parent</name> >>> <value>/hbase</value> >>> </property> >>> <property> >>> <name>zookeeper.znode.rootserver</name> >>> <value>root-region-server</value> >>> </property> >>> <property> >>> <name>hbase.zookeeper.quorum</name> >>> <value>10.255.1.61</value> >>> </property> >>> <property> >>> <name>hbase.zookeeper.property.clientPort</name> >>> <value>2181</value> >>> </property> >>> </configuration> >>> >>> >>> On Monday 29 September 2014 06:35 PM, Wellington Chevreuil wrote: >>> >>> Hi, >>>> >>>> You should not do this, as localhost should resolve to the own host. >>>> This >>>> is probably some missing property on the clients hbase configuration >>>> (make >>>> sure you have a proper hbase-site.xml on client's classpath or set >>>> configuration programatically). As a start, check if you had set the >>>> properties below on your client's hbase config. >>>> >>>> <property> >>>> <name>hbase.zookeeper.quorum</name> >>>> <value>ZK_HOSTS</value> >>>> </property> >>>> <property> >>>> <name>hbase.zookeeper.property.clientPort</name> >>>> <value>2181</value> >>>> </property> >>>> >>>> >>>> On 29 Sep 2014, at 13:43, SACHINGUPTA <[email protected]> wrote: >>>> >>>> Hello guys >>>> >>>>> I am using the hbase java api to connect to hbase remotely, but when I >>>>> executed the java code, got |MasterNotRunningException|. When I >>>>> debugged >>>>> the code, I came to know that zookeeper was returning the address of >>>>> hmaster as localhost.localdomain, so the client was trying to search >>>>> for >>>>> the hmaster locally. When I changed the |/etc/hosts| file of my local >>>>> machine from where i am running the java client as: >>>>> >>>>> |<ip of the master> localhost.localdomain| >>>>> >>>>> then it worked fine. >>>>> >>>>> However, I think that this is not the right way. I think I have to >>>>> change the addresses somewhere in the configuration of zookeeper, but >>>>> I did >>>>> not get it. >>>>> >>>>> please help >>>>> thanks >>>>> >>>>> >>>>> -- >>>>> Thanks >>>>> Sachin Gupta >>>>> >>>>> >>>>> -- >>> Thanks >>> Sachin Gupta >>> >>> >>> >> > -- > Thanks > Sachin Gupta > > -- Sean
