开放端口
安全组没开放端口是原罪!!!导致好多bug费时费力。hbase悄悄咪咪的用了好多端口,比如被我抓到的42239,直接搜索报错药不对症。
hbase安装
下载压缩包
可以去官网下载http://hbase.apache.org/downloads.html
也可以去镜像下载历史版本http://archive.apache.org/dist/hbase/
以1.3.2版本为例:
直接下载或者下载到本地再上传都行,看你哪个快。
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wget http: //archive.apache.org/dist/hbase/1.3.2/hbase-1.3.2-bin.tar.gz tar -zxvf hbase- 1.3 . 2 -bin.tar.gz #解压 mv hbase- 1.3 . 2 -bin /urs/local/hbase |
配置hbase-site.xml
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cd /usr/local/hbase/conf vi hbase-site.xml |
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<property> <name>hbase.cluster.distributed</name> <value> true </value> </property> <property> <name>hbase.rootdir</name> <value>/hbase-data</value> </property> <property> <name>hbase.zookeeper.quorum</name> <value>master: 2181 </value> </property> |
配置hbase-env.sh
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cd /usr/local/hbase/conf echo $java_home #若没有安装jdk可百度(偷懒) vi hbase-env.sh #添加要一致 export java_home=/usr/local/java |
运行测试
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cd /usr/local/hbase/bin ./start-hbase.sh |
ip:16010访问
域名配置
服务器 vi /etc/hosts
私网ip master
本地 c:\windows\system32\drivers\etc\hosts
公网ip master
idea源码
目录结构:
创建一个maven项目并在pom.xml添加依赖:
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<dependency> <groupid>org.apache.hbase</groupid> <artifactid>hbase-server</artifactid> <version> 1.3 . 2 </version> </dependency> <dependency> <groupid>org.apache.hbase</groupid> <artifactid>hbase-client</artifactid> <version> 1.3 . 2 </version> </dependency> |
版本是1.3.2,注意和你自己的一致,可以登录hbase shell时查看。
(
插播反爬信息)博主csdn地址:https://wzlodq.blog.csdn.net/
log4j.properties配置
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log4j.rootlogger=debug, stdout, r log4j.appender.stdout=org.apache.log4j.consoleappender log4j.appender.stdout.layout=org.apache.log4j.patternlayout log4j.appender.stdout.layout.conversionpattern=%5p - %m%n log4j.appender.r=org.apache.log4j.rollingfileappender log4j.appender.r.file=firestorm.log log4j.appender.r.maxfilesize=100kb log4j.appender.r.maxbackupindex= 1 log4j.appender.r.layout=org.apache.log4j.patternlayout log4j.appender.r.layout.conversionpattern=%p %t %c - %m%n log4j.logger.com.codefutures=debug |
hbase-site.xml配置
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<?xml version= "1.0" ?> <?xml-stylesheet type= "text/xsl" href= "configuration.xsl" rel= "external nofollow" ?> <configuration> <property> <name>hbase.cluster.distributed</name> <value> true </value> </property> <property> <name>hbase.rootdir</name> <value>/hbase-data</value> </property> <property> <name>hbase.zookeeper.quorum</name> <value>master: 2181 </value> </property> </configuration> |
hbasecrud.java
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package ex3; import org.apache.hadoop.conf.configuration; import org.apache.hadoop.hbase.*; import org.apache.hadoop.hbase.client.*; import java.io.ioexception; public class hbasecrud { private static configuration configuration; private static connection connection; private static admin admin; /** * 建立连接 */ public static void init(){ configuration=hbaseconfiguration.create(); configuration.set( "hbase.zookeeper.quorum" , "121.36.240.205" ); // 换成你自己的ip configuration.set( "hbase.zookeeper.property.clientport" , "2181" ); try { connection=connectionfactory.createconnection(configuration); admin=connection.getadmin(); } catch (ioexception e){ e.printstacktrace(); } } /** * 关闭连接 */ public static void close(){ try { if (admin!= null ) admin.close(); } catch (ioexception e){ e.printstacktrace(); } } /** * 创建表 * @param mytablename 表名 * @param colfamily 列族数组 * @throws ioexception */ public static void createtable(string mytablename,string[]colfamily) throws ioexception{ tablename tablename = tablename.valueof(mytablename); if (admin.tableexists(tablename)){ system.out.println( "表名已存在!" ); } else { htabledescriptor htabledescriptor = new htabledescriptor(tablename); for (string str:colfamily){ //增加一列 hcolumndescriptor hcolumndescriptor = new hcolumndescriptor(str); htabledescriptor.addfamily(hcolumndescriptor); } admin.createtable(htabledescriptor); //建表 } } /** * 添加数据 * @param tablename 表名 * @param rowkey 行键 * @param colfamily 列族 * @param col 列限定符 * @param val 数据 * @throws ioexception */ public static void insertdata(string tablename,string rowkey,string colfamily,string col,string val) throws ioexception{ table table = connection.gettable(tablename.valueof(tablename)); //获取表名 put put = new put(rowkey.getbytes()); put.addcolumn(colfamily.getbytes(),col.getbytes(),val.getbytes()); table.put(put); table.close(); } /** * 获取数据 * @param tablename 表名 * @param rowkey 行键 * @param colfamily 列族 * @param col 列限定符 * @throws ioexception */ public static void getdata(string tablename,string rowkey,string colfamily,string col) throws ioexception{ table table = connection.gettable(tablename.valueof(tablename)); get get = new get(rowkey.getbytes()); get.addcolumn(colfamily.getbytes(),col.getbytes()); result result = table.get(get); string val = new string(result.getvalue(colfamily.getbytes(),col== null ? null :col.getbytes())); system.out.println( "值为:" +val); table.close(); } } |
client.java
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package ex3; import org.apache.log4j.basicconfigurator; import java.io.ioexception; public class client { public static void main(string[] args) throws ioexception { hbasecrud.init(); //建表 hbasecrud.createtable( "student" , new string[]{ "score" }); //插入数据 hbasecrud.insertdata( "student" , "lisa" , "score" , "java" , "85" ); hbasecrud.insertdata( "student" , "lisa" , "score" , "c/c++" , "80" ); hbasecrud.insertdata( "student" , "lisa" , "score" , "mysql" , "82" ); hbasecrud.insertdata( "student" , "jerry" , "score" , "java" , "65" ); //查询数据 hbasecrud.getdata( "student" , "lisa" , "score" , "java" ); hbasecrud.getdata( "student" , "lisa" , "score" , "mysql" ); hbasecrud.getdata( "student" , "jerry" , "score" , "java" ); hbasecrud.close(); system.out.println( "记得一键三连~" ); } } |
点击运行后需要点耐心等待,灰色info、debug信息都可不用管,报错的话会是红色字体(评论区交流),有tomcat内味了。
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原文链接:https://blog.csdn.net/qq_45034708/article/details/115678645