通过eclipse 远程提交mr(处理文件到hbase)到hadoop集群报错:
错误信息如下:
2015-04-19 11:31:46,800 WARN org.apache.hadoop.util.NativeCodeLoader - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2015-04-19 11:31:47,753 INFO org.apache.hadoop.conf.Configuration.deprecation - session.id is deprecated. Instead, use dfs.metrics.session-id
2015-04-19 11:31:47,753 INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Initializing JVM Metrics with processName=JobTracker, sessionId=
2015-04-19 11:31:47,821 INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.reduce.tasks is deprecated. Instead, use mapreduce.job.reduces
2015-04-19 11:31:47,824 INFO org.apache.hadoop.conf.Configuration.deprecation - mapreduce.map.class is deprecated. Instead, use mapreduce.job.map.class
2015-04-19 11:31:47,824 INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.job.name is deprecated. Instead, use mapreduce.job.name
2015-04-19 11:31:47,824 INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.input.dir is deprecated. Instead, use mapreduce.input.fileinputformat.inputdir
2015-04-19 11:31:47,824 INFO org.apache.hadoop.conf.Configuration.deprecation - mapreduce.outputformat.class is deprecated. Instead, use mapreduce.job.outputformat.class
2015-04-19 11:31:47,824 INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.map.tasks is deprecated. Instead, use mapreduce.job.maps
2015-04-19 11:31:47,929 INFO org.apache.zookeeper.ZooKeeper - Client environment:zookeeper.version=3.4.5-1392090, built on 09/30/2012 17:52 GMT
2015-04-19 11:31:47,929 INFO org.apache.zookeeper.ZooKeeper - Client environment:host.name=lyq
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.version=1.6.0_45
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.vendor=Sun Microsystems Inc.
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.home=D:\Program Files\Java\jdk1.6.0_45\jre
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.class.path=E:\Work\workspace\.metadata\.plugins\org.apache.hadoop.eclipse\hadoop-conf-401984830001496437;E:\Work\workspace\hadoop_study\bin;E:\Work\workspace\hadoop_study\lib\activation-1.1.jar;E:\Work\workspace\hadoop_study\lib\aopalliance-1.0.jar;E:\Work\workspace\hadoop_study\lib\asm-3.2.jar;E:\Work\workspace\hadoop_study\lib\avro-1.7.4.jar;E:\Work\workspace\hadoop_study\lib\commons-beanutils-1.7.0.jar;E:\Work\workspace\hadoop_study\lib\commons-beanutils-core-1.8.0.jar;E:\Work\workspace\hadoop_study\lib\commons-cli-1.2.jar;E:\Work\workspace\hadoop_study\lib\commons-codec-1.4.jar;E:\Work\workspace\hadoop_study\lib\commons-collections-3.2.1.jar;E:\Work\workspace\hadoop_study\lib\commons-compress-1.4.1.jar;E:\Work\workspace\hadoop_study\lib\commons-configuration-1.6.jar;E:\Work\workspace\hadoop_study\lib\commons-daemon-1.0.13.jar;E:\Work\workspace\hadoop_study\lib\commons-digester-1.8.jar;E:\Work\workspace\hadoop_study\lib\commons-el-1.0.jar;E:\Work\workspace\hadoop_study\lib\commons-httpclient-3.1.jar;E:\Work\workspace\hadoop_study\lib\commons-io-2.1.jar;E:\Work\workspace\hadoop_study\lib\commons-lang-2.5.jar;E:\Work\workspace\hadoop_study\lib\commons-logging-1.1.1.jar;E:\Work\workspace\hadoop_study\lib\commons-math-2.1.jar;E:\Work\workspace\hadoop_study\lib\commons-net-3.1.jar;E:\Work\workspace\hadoop_study\lib\guava-11.0.2.jar;E:\Work\workspace\hadoop_study\lib\guice-3.0.jar;E:\Work\workspace\hadoop_study\lib\guice-servlet-3.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-annotations-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-archives-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-auth-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-common-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-datajoin-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-distcp-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-extras-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-gridmix-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-hdfs-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-hdfs-nfs-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-app-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-common-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-core-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-hs-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-hs-plugins-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-jobclient-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-client-shuffle-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-mapreduce-examples-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-nfs-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-rumen-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-streaming-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-api-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-applications-distributedshell-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-applications-unmanaged-am-launcher-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-client-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-common-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-server-common-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-server-nodemanager-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-server-resourcemanager-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-server-web-proxy-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hadoop-yarn-site-2.2.0.jar;E:\Work\workspace\hadoop_study\lib\hamcrest-core-1.1.jar;E:\Work\workspace\hadoop_study\lib\jackson-core-asl-1.8.8.jar;E:\Work\workspace\hadoop_study\lib\jackson-jaxrs-1.8.8.jar;E:\Work\workspace\hadoop_study\lib\jackson-mapper-asl-1.8.8.jar;E:\Work\workspace\hadoop_study\lib\jackson-xc-1.8.8.jar;E:\Work\workspace\hadoop_study\lib\jasper-compiler-5.5.23.jar;E:\Work\workspace\hadoop_study\lib\jasper-runtime-5.5.23.jar;E:\Work\workspace\hadoop_study\lib\javax.inject-1.jar;E:\Work\workspace\hadoop_study\lib\jaxb-api-2.2.2.jar;E:\Work\workspace\hadoop_study\lib\jaxb-impl-2.2.3-1.jar;E:\Work\workspace\hadoop_study\lib\jersey-core-1.9.jar;E:\Work\workspace\hadoop_study\lib\jersey-guice-1.9.jar;E:\Work\workspace\hadoop_study\lib\jersey-json-1.9.jar;E:\Work\workspace\hadoop_study\lib\jersey-server-1.9.jar;E:\Work\workspace\hadoop_study\lib\jets3t-0.6.1.jar;E:\Work\workspace\hadoop_study\lib\jettison-1.1.jar;E:\Work\workspace\hadoop_study\lib\jetty-6.1.26.jar;E:\Work\workspace\hadoop_study\lib\jetty-util-6.1.26.jar;E:\Work\workspace\hadoop_study\lib\jsch-0.1.42.jar;E:\Work\workspace\hadoop_study\lib\jsp-api-2.1.jar;E:\Work\workspace\hadoop_study\lib\jsr305-1.3.9.jar;E:\Work\workspace\hadoop_study\lib\junit-4.10.jar;E:\Work\workspace\hadoop_study\lib\log4j-1.2.17.jar;E:\Work\workspace\hadoop_study\lib\mockito-all-1.8.5.jar;E:\Work\workspace\hadoop_study\lib\netty-3.6.2.Final.jar;E:\Work\workspace\hadoop_study\lib\paranamer-2.3.jar;E:\Work\workspace\hadoop_study\lib\protobuf-java-2.5.0.jar;E:\Work\workspace\hadoop_study\lib\servlet-api-2.5.jar;E:\Work\workspace\hadoop_study\lib\slf4j-api-1.7.5.jar;E:\Work\workspace\hadoop_study\lib\slf4j-log4j12-1.7.5.jar;E:\Work\workspace\hadoop_study\lib\snappy-java-1.0.4.1.jar;E:\Work\workspace\hadoop_study\lib\stax-api-1.0.1.jar;E:\Work\workspace\hadoop_study\lib\xmlenc-0.52.jar;E:\Work\workspace\hadoop_study\lib\xz-1.0.jar;E:\Work\workspace\hadoop_study\lib\zookeeper-3.4.5.jar;E:\Work\workspace\hadoop_study\lib\hbase-client-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-common-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-examples-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-hadoop-compat-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-hadoop2-compat-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-it-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-prefix-tree-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-protocol-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-server-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-shell-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-testing-util-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\hbase-thrift-0.96.2-hadoop2.jar;E:\Work\workspace\hadoop_study\lib\findbugs-annotations-1.3.9-1.jar;E:\Work\workspace\hadoop_study\lib\htrace-core-2.04.jar
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.library.path=D:\Program Files\Java\jdk1.6.0_45\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;D:/Program Files/Java/jdk1.6.0_45/bin/../jre/bin/server;D:/Program Files/Java/jdk1.6.0_45/bin/../jre/bin;D:/Program Files/Java/jdk1.6.0_45/bin/../jre/lib/amd64;D:\Program Files\Java\jdk1.6.0_45\bin;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;D:\App\hadoop-2.2.0\bin;D:\App\hadoop-2.2.0\sbin;D:\Program Files\SSH\;.;;D:\App\eclipse;;.
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.io.tmpdir=C:\Users\liuyq\AppData\Local\Temp\
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:java.compiler=<NA>
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:os.name=Windows 7
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:os.arch=amd64
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:os.version=6.1
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:user.name=liuyq
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:user.home=C:\Users\liuyq
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Client environment:user.dir=E:\Work\workspace\hadoop_study
2015-04-19 11:31:47,931 INFO org.apache.zookeeper.ZooKeeper - Initiating client connection, connectString=localhost:2181 sessionTimeout=90000 watcher=hconnection-0x6a510e39, quorum=localhost:2181, baseZNode=/hbase
2015-04-19 11:31:47,956 INFO org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper - Process identifier=hconnection-0x6a510e39 connecting to ZooKeeper ensemble=localhost:2181
2015-04-19 11:31:48,111 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
2015-04-19 11:31:48,114 ERROR org.apache.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181
2015-04-19 11:31:48,149 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.SocketException: Address family not supported by protocol family: connect
at sun.nio.ch.Net.connect(Native Method)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:532)
at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:266)
at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:276)
at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:958)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:993)
2015-04-19 11:31:48,559 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
2015-04-19 11:31:48,564 WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper - Possibly transient ZooKeeper, quorum=localhost:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
2015-04-19 11:31:48,564 INFO org.apache.hadoop.hbase.util.RetryCounter - Sleeping 1000ms before retry #0...
2015-04-19 11:31:49,561 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
2015-04-19 11:31:49,662 WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper - Possibly transient ZooKeeper, quorum=localhost:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
2015-04-19 11:31:49,662 INFO org.apache.hadoop.hbase.util.RetryCounter - Sleeping 2000ms before retry #1...
2015-04-19 11:31:50,665 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
2015-04-19 11:31:50,665 ERROR org.apache.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181
2015-04-19 11:31:50,665 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.SocketException: Address family not supported by protocol family: connect
at sun.nio.ch.Net.connect(Native Method)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:532)
at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:266)
at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:276)
at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:958)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:993)
2015-04-19 11:31:50,768 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
2015-04-19 11:31:51,773 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1068)
2015-04-19 11:31:51,874 WARN org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper - Possibly transient ZooKeeper, quorum=localhost:2181, exception=org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase/hbaseid
2015-04-19 11:31:51,874 INFO org.apache.hadoop.hbase.util.RetryCounter - Sleeping 4000ms before retry #2...
2015-04-19 11:31:52,874 INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181. Will not attempt to authenticate using SASL (无法定位登录配置)
2015-04-19 11:31:52,874 ERROR org.apache.zookeeper.ClientCnxnSocketNIO - Unable to open socket to 0:0:0:0:0:0:0:1/0:0:0:0:0:0:0:1:2181
2015-04-19 11:31:52,874 WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.SocketException: Address family not supported by protocol family: connect
at sun.nio.ch.Net.connect(Native Method)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:532)
at org.apache.zookeeper.ClientCnxnSocketNIO.registerAndConnect(ClientCnxnSocketNIO.java:266)
at org.apache.zookeeper.ClientCnxnSocketNIO.connect(ClientCnxnSocketNIO.java:276)
at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:958)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:993)
原因:linux集群 etc/hosts 首行没有配置 127.0.0.1 localhost
解决方法:配置etc/hosts, 重启hadoop、hbase集群即可。
相关推荐
通过构建Put或Delete对象列表,然后一次性提交,可以减少网络通信和HBase服务器的处理压力。 8. **异常处理**:在使用HbaseTemplate时,需要注意处理可能出现的异常,如TableExistsException(表已存在)、...
在Java开发环境中,Eclipse是一款广泛使用的集成开发环境(IDE),而Hadoop和HBase是大数据处理领域的重要组件。Hadoop是一个开源的分布式计算框架,主要用于处理和存储大规模数据;HBase则是建立在Hadoop之上的...
在Eclipse中开发HBase程序是一项涉及多个步骤的复杂任务,尤其对于初学者而言,掌握这一过程需要对Eclipse IDE、Hadoop生态系统以及HBase有深入的理解。以下是从标题、描述、标签及部分内容中提取的关键知识点,旨在...
下面将详细介绍如何在Eclipse中搭建HBase开发环境,并对HBase进行建表、增、删、改、查等操作。 一、环境准备 首先需要确定HBase和Hadoop的版本是否一致,为了避免版本不兼容问题。在本例中,我们使用的HBase版本...
1. **Windows操作系统**:这是执行Eclipse和HBase的基础环境。 2. **Java Development Kit (JDK)**:HBase和Eclipse都需要Java环境支持,确保安装的是JDK而非仅JRE,因为JDK包含了编译和调试所需的工具。 3. **...
标题中的“MR程序Bulkload数据到hbase”指的是使用MapReduce(MR)程序批量加载(Bulkload)数据到HBase数据库的过程。MapReduce是Apache Hadoop框架中的一个关键组件,用于处理和生成大规模数据集。而HBase是一个...
Java 操作 Hbase 进行建表、删表以及对数据进行增删改查 一、Hbase 简介 Hbase 是一个开源的、分布式的、基于 column-family 的 NoSQL 数据库。它是基于 Hadoop 的,使用 HDFS 作为其存储层。Hbase 提供了高性能、...
为了在Eclipse中成功连接并操作HBase数据库,你需要正确的依赖库,也就是jar包。HBase 1.2.6版本与Hadoop 2.7.1版本是兼容的,所以你需要确保你的开发环境配置了这些特定版本的jar包。 首先,我们需要了解HBase和...
首先,Spring提供了HBase模板(HBaseTemplate)作为操作HBase的主要工具,它简化了与HBase的交互过程。要开始使用Spring操作HBase,我们需要以下几个步骤: 1. **环境配置**:确保你已经安装了Java、HBase和Eclipse...
在本文中,我们将深入探讨如何使用Scala API操作HBase数据库。HBase是一个分布式、面向列的NoSQL数据库,它构建于Hadoop之上,提供实时访问大量数据的能力。Scala是一种强大的函数式编程语言,与Java虚拟机(JVM)...
在本文中,我们将深入探讨如何使用Java通过Thrift2接口操作HBase数据库。HBase是一个分布式、可扩展的大数据存储系统,它构建于Hadoop之上,支持实时读写。Thrift是一个轻量级的框架,用于跨语言服务开发,允许不同...
HBase基本操作 增删改查 java代码 要使用须导入对应的jar包
该资源主要用于在window10的Hadoop的bin文件下所需要的东西,主要用于使用window10中的eclipse访问当前的Linux的HBase,使用MapReduce的Job来实现复制HBase的表操作
在Java编程环境中,操作HBase并将其数据写入HDFS(Hadoop Distributed File System)是一项常见的任务,特别是在大数据处理和分析的场景下。本篇将详细介绍如何使用Java API实现这一功能,以及涉及到的关键技术和...
在开发HBase应用程序时,Eclipse作为常用的Java IDE,需要配置正确的依赖库才能与HBase进行交互。这里我们关注的是HBase版本1.2.6和Hadoop版本2.7.1,这两个版本是兼容的,并且对于Eclipse的配置来说,确保正确的jar...
在本项目中,我们将关注如何使用C#语言通过Thrift2来操作Hbase数据库,实现数据的增、删、改、查(CRUD)功能。 1. **Thrift2与Hbase的交互** Thrift2提供了一种灵活的方式与Hbase进行交互。首先,我们需要在Hbase...
这个示例,"MR_HBase-Hadoop中的MapReduce使用示例,输入(DBInputFormat),输出(DBOutputFormat)",主要展示了如何利用MapReduce与HBase进行交互,进行数据的读取和写入。下面将详细介绍相关的知识点。 1. **...
在Eclipse中,可以通过HBase的API编写Java程序,实现对HBase表的操作,如增删查改。同时,也可以利用MapReduce任务对HBase表进行批量处理。 总的来说,通过"mr集成eclipse",我们可以将Eclipse的强大开发能力与...
在本文档中,我们将深入探讨如何使用Java API与HBase数据库进行交互,特别是关于如何创建表、修改表结构以及批量插入数据。...理解这些基本操作对于高效地使用HBase至关重要,特别是在大数据处理和分析的场景下。
实验的目标是让你理解HBase在Hadoop架构中的地位,以及掌握通过Shell命令和Java API进行基本操作的方法。 首先,让我们来看看实验的平台配置。实验要求的操作系统是Linux,这通常是大数据处理的首选平台,因为它...