CentOS下Hive2.3.0单机模式安装详解
1. 准备工作
| 操作系统 | hive版本 | jdk版本 | hadoop版本 | MySQL |
|---|---|---|---|---|
| centos7 | 2.3.0 | 1.8+ | 2.7.3 | mysql5.7 |
ps:Hive 2.3.0需要以下运行环境:
Java 1.7以上(强烈建议使用Java 1.8)
Hadoop 2.X
1.Hive和Hadoop一样,有3种启动模式,分别是单机模式,伪分布模式,分布模式。这里说一下伪分布模式(集群模式)的安装部署方案。
2.Hive默认使用derby数据库存储元数据,但是该数据库不适用于生产环境,这边使用MySQL作为元数据的存储数据库。
所以需要先安装好MySQL。
3.Hive依赖Hadoop,所以需要先安装并启动好Hadoop。
1.3 Hadoop
2.hadoop伪分布式的搭建
详细请参照此博客:http://blog.csdn.net/qq_38799155/article/details/77748831
3. 下载、解压安装包 ##
1.hive
1.1Hive官网地址:http://apache.fayea.com/hive/hive-2.3.0/
1.2通过xftp上传到hadoop用户的根目录下,解压安装包
//解压安装包
tar -zvxf apache-hive-2.3.0-bin.tar.gz
//移动解压后的hive到hive包中
mv apache-hive-2.3.0-bin hive
1.3配置环境变量(可选)
将hive-2.3.0/bin添加到path,以方便访问
vi .bashrc
在末尾添加:
# Hive Environment Variables
export HIVE_HOME=/home/hadoop/hive
export PATH=$PATH:$HIVE_HOME/bin
1.4修改hive配置文件
cd hive/conf
vi hive-site.xml #也可以用hive-default.xml.template去改,不过这个文件中的配置项太多了
输入以下内容后保存:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>javax.jdo.option.ConnectionPassword</name>
<value>mysql</value>
</property>
<property>
<name>javax.jdo.option.ConnectionURL</name>
<value>jdbc:mysql://192.168.150.1:3306/hive_metadata?createDatabaseIfNotExsit=true&characterEncoding=UTF-8 </value>
</property>
<property>
<name>javax.jdo.option.ConnectionUserName</name>
<value>root</value>
</property>
<property>
<name>javax.jdo.option.ConnectionDriverName</name>
<value>com.mysql.jdbc.Driver</value>
</property>
<property>
<name>datanucleus.schema.autoCreateAll</name>
<value>true</value>
</property>
<property>
<name>hive.metastore.schema.verification</name>
<value>false</value>
</property>
</configuration>
1.5加载驱动
下载地址:http://dev.mysql.com/downloads/connector/j/ ,解压后拷贝其中的mysql-connector-java-5.1.38-bin.jar到hive的lib文件夹下。
cd hive/lib
通过xftp,将下载的MySQL驱动上传至hive/lib文件夹下
2.MySQL数据库
2.1在windown下安装mysql,mysql开启远程访问权限
//登录数据库
mysql -u root -p
//会提示输入数据库密码
>use mysql;
//%为所有ip都可以远程访问
mysql>update user set host = '%' where user = 'root';
//或直接添加一条语句也行
mysql>insert into user (host,user,password) values('192.168.0.51','root',password('123'));
//查看一下修改
mysql>select host, user from user;
//推送设置到内存或重启服务器也行
mysql>FLUSH PRIVILEGES
ps:mysql的远程访问权限参考地址:http://www.cnblogs.com/hfdp/p/6088288.html
3. 初始化数据库
在这之前,先在Navicat Premium的数据库创建hive_metadata 库,之后初始化库:
schematool -initSchema -dbType derby
出现以下几行说明初始化成功:
Starting metastore schema initialization to 2.3.0
Initialization script hive-schema-2.3.0.derby.sql
Initialization script completed
schemaTool completed
4. 启动hive
hive
如果出现hive> 提示符则说明启动成功
4.hive常见的问题
4.1运行hive时出现
Exception in thread "main" java.lang.RuntimeException: Hive metastore database is not initialized. Please use schematool (e.g. ./schematool -initSchema -dbType ...) to create the schema. If needed, don't forget to include the option to auto-create the underlying database in your JDBC connection string (e.g. ?createDatabaseIfNotExist=true for mysql)
错误原因:
数据库没有初始化,请执行schematool -initSchema -dbType derby
Exception in thread "main" java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1550)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:86)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:132)
at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3080)
at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3108)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:521)
at org.apache.hadoop.hive.ql.session.SessionState.beginStart(SessionState.java:494)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:709)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:645)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1548)
... 15 more
Caused by: javax.jdo.JDOFatalInternalException: Error creating transactional connection factory
NestedThrowables:
java.lang.reflect.InvocationTargetException
at org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:671)
at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:834)
at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:338)
at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:217)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at javax.jdo.JDOHelper$16.run(JDOHelper.java:1965)
at java.security.AccessController.doPrivileged(Native Method)
at javax.jdo.JDOHelper.invoke(JDOHelper.java:1960)
at javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1166)
at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:808)
at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:701)
at org.apache.hadoop.hive.metastore.ObjectStore.getPMF(ObjectStore.java:397)
at org.apache.hadoop.hive.metastore.ObjectStore.getPersistenceManager(ObjectStore.java:426)
at org.apache.hadoop.hive.metastore.ObjectStore.initialize(ObjectStore.java:320)
at org.apache.hadoop.hive.metastore.ObjectStore.setConf(ObjectStore.java:287)
at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
at org.apache.hadoop.hive.metastore.RawStoreProxy.<init>(RawStoreProxy.java:55)
at org.apache.hadoop.hive.metastore.RawStoreProxy.getProxy(RawStoreProxy.java:64)
at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.newRawStore(HiveMetaStore.java:516)
at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getMS(HiveMetaStore.java:481)
at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultDB(HiveMetaStore.java:547)
at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:370)
at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:78)
at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:84)
at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5749)
at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:219)
at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:67)
... 20 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:606)
at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:330)
at org.datanucleus.store.AbstractStoreManager.registerConnectionFactory(AbstractStoreManager.java:203)
at org.datanucleus.store.AbstractStoreManager.<init>(AbstractStoreManager.java:162)
at org.datanucleus.store.rdbms.RDBMSStoreManager.<init>(RDBMSStoreManager.java:284)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:606)
at org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301)
at org.datanucleus.NucleusContextHelper.createStoreManagerForProperties(NucleusContextHelper.java:133)
at org.datanucleus.PersistenceNucleusContextImpl.initialise(PersistenceNucleusContextImpl.java:420)
at org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:821)
... 49 more
Caused by: org.datanucleus.exceptions.NucleusException: Attempt to invoke the "BONECP" plugin to create a ConnectionPool gave an error : The specified datastore driver ("com.mysql.jdbc.Driver") was not found in the CLASSPATH. Please check your CLASSPATH specification, and the name of the driver.
at org.datanucleus.store.rdbms.ConnectionFactoryImpl.generateDataSources(ConnectionFactoryImpl.java:232)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl.initialiseDataSources(ConnectionFactoryImpl.java:117)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl.<init>(ConnectionFactoryImpl.java:82)
... 67 more
Caused by: org.datanucleus.store.rdbms.connectionpool.DatastoreDriverNotFoundException: The specified datastore driver ("com.mysql.jdbc.Driver") was not found in the CLASSPATH. Please check your CLASSPATH specification, and the name of the driver.
at org.datanucleus.store.rdbms.connectionpool.AbstractConnectionPoolFactory.loadDriver(AbstractConnectionPoolFactory.java:58)
at org.datanucleus.store.rdbms.connectionpool.BoneCPConnectionPoolFactory.createConnectionPool(BoneCPConnectionPoolFactory.java:54)
at org.datanucleus.store.rdbms.ConnectionFactoryImpl.generateDataSources(ConnectionFactoryImpl.java:213)
... 69 more
错误原因:
MySQL驱动找不到。请参照上述:1.5加载驱动
4.2 使用schematool初始化数据库时出现
Initialization script hive-schema-2.0.0.derby.sql
Error: FUNCTION 'NUCLEUS_ASCII' already exists. (state=X0Y68,code=30000)
org.apache.hadoop.hive.metastore.HiveMetaException: Schema initialization FAILED! Metastore state would be inconsistent !!
*** schemaTool failed ***
错误原因:数据库文件夹中已经存在一些文件,解决方法就是清空数据库文件夹(也就是前面配置的/opt/hive-2.0.0/metastore_db文件夹)
4.3启动时出现
Exception in thread "main" java.lang.RuntimeException: java.net.ConnectException: Call From master/4.3.2.1 to master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:554)
at org.apache.hadoop.hive.ql.session.SessionState.beginStart(SessionState.java:494)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:709)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:645)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.net.ConnectException: Call From master/4.3.2.1 to master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:731)
at org.apache.hadoop.ipc.Client.call(Client.java:1473)
at org.apache.hadoop.ipc.Client.call(Client.java:1400)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
at com.sun.proxy.$Proxy28.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
at com.sun.proxy.$Proxy29.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1977)
at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118)
at org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114)
at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114)
at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1400)
at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:639)
at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:597)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:526)
... 9 more
Caused by: java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)
at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:608)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:706)
at org.apache.hadoop.ipc.Client$Connection.access$2800(Client.java:369)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1522)
at org.apache.hadoop.ipc.Client.call(Client.java:1439)
... 29 more
错误原因:这个实际是Hadoop的问题,namenode没启动。
5.导入数据到hive测试
5.1 创建测试数据
vi /home/hadoop/hive-test.txt
输入以下内容(数字和单词之间空格分隔)
1 hadoop
2 hive
3 hbase
4 hello
5.2 导入数据
输入hive,进入hive命令行,执行以下命令
CREATE TABLE IF NOT EXISTS words (id INT,word STRING)ROW FORMAT DELIMITED FIELDS TERMINATED BY " " LINES TERMINATED BY "\n";
LOAD DATA LOCAL INPATH '/home/hadoop/hive-test.txt' OVERWRITE INTO TABLE words;
5.3 查询数据
select * from words;
如果正常显示数据则说明导入成功。
5.4 插入数据
insert into words values(5,'nihao');
这个时候我们可以看到程序运行了一个mapreduce作业。

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