无法使用Spring的Hbase模板从Hbase进行查询

Question

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:hdp="http://www.springframework.org/schema/hadoop" xmlns:p="http://www.springframework.org/schema/p"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
        http://www.springframework.org/schema/hadoop http://www.springframework.org/schema/hadoop/spring-hadoop-1.0.xsd">


    <bean id="hbaseTemplate" class="org.springframework.data.hadoop.hbase.HbaseTemplate"
        p:configuration-ref="hbaseConfiguration" />

        <hdp:configuration>


        </hdp:configuration>


    <hdp:hbase-configuration zk-quorum="hadoop-host-2" zk-port="2181" delete-connection="true">
    </hdp:hbase-configuration>

</beans>

import java.util.List;

import org.apache.hadoop.hbase.client.HTableInterface;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.hadoop.hbase.HbaseTemplate;
import org.springframework.data.hadoop.hbase.RowMapper;
import org.springframework.data.hadoop.hbase.TableCallback;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("file:src/main/webapp/WEB-INF/spring/hbase/hbase-config.xml")
public class HBaseConnectionTest {

    @Autowired
    private HbaseTemplate hbaseTemplate;

    @Test
    public void testConnection() {

        List<String> list = hbaseTemplate.find("testTab",
                "testcf:testCol", new RowMapper<String>() {

                    @Override
                    public String mapRow(Result result, int arg1)
                            throws Exception {

                        return result.toString();

                    }
                });

        System.out.println(list);

    }

INFO:org.apache.hadoop.hbase.zookeeper.recoverablezookeeper-此进程的标识符为8916@windows-8kv8o4b INFO:org.apache.zookeeper.Client.zookeepersaslClient-Client不会进行SASL身份验证，因为找不到缺省的JAAS配置节“Client”。如果您没有使用SASL，您可以忽略这一点。另一方面，如果您希望SASL能够工作，请修复JAAS配置。信息:org.apache.zookeeper.clientcnxn-建立到IAPS-hadoop-host-2/192.168.111.242:2181的套接字连接，启动会话信息:org.apache.zookeeper.clientcnxn-服务器hadoop-host-2/192.168.111.242:2181上完成会话建立，sessionid=0x13C8BCF1CD7000A，协商超时=60000

Answer 1

这是失败的，因为我们的hadoop集群中的一些主机无法从我的客户端访问。添加主机名和IP正确地解决了这个问题。

这可能对某人有帮助。

干杯Praveen