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Hive是何物,自己去百度,在此不多bb,直接开整…
学习一个组件,个人觉得最重要的是先学会安装再说,巧妇难为无米之炊撒…
下载地址:https://downloads.apache.org/hive/hive-3.1.2/apache-hive-3.1.2-bin.tar.gz
开整之前再多bb一句,hive是依托hdfs+MapReduce进行存储和计算的,务必要先安装好hadoop可以玩的喔。
安装hadoop可以参考链接:https://blog.csdn.net/MrZhangBaby/article/details/131683270?spm=1001.2014.3001.5502
# 将下载好的tar包进行解压
tar -xzvf apache-hive-3.1.2-bin.tar.gz -C /Users/zhangchenguang/software/
# 名字太长的话可以选择执行重命名操作
mv apache-hive-3.1.2-bin hive-3.1.2
配置:https://cwiki.apache.org/confluence/display/Hive/GettingStarted#GettingStarted-InstallingHivefromaStableRelease
好像没怎么写配置,仅仅芝士配置了一下,个人感觉有点乱吧。
# 参考hadoop把home先搞到环境变量里面 windows:/etc/profice vi ~/.bash_profile # 新增HIVE_HOME配置,便于使用命令hive等 # hive export HIVE_HOME=/Users/zhangchenguang/software/hive-3.1.2 export PATH=$PATH:$HIVE_HOME/bin # 调整配置文件 cp conf/hive-env.sh.template conf/hive-env.sh cp conf/hive-default.xml.template conf/hive-site.xml # 在hive-env.sh 加入HADOOP_HOME export HADOOP_HOME=/Users/zhangchenguang/software/hadoop-3.2.4 # 至于hive-site.xml这个文件,暂时没有在官网发现需要调整哪里,暂不做修改。 # 然后执行hive hive
然后出现第一个异常
(base) zhangchenguang@cgzhang.local:/Users/zhangchenguang/software/hive-3.1.2/conf $ hive SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/Users/zhangchenguang/software/hive-3.1.2/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/Users/zhangchenguang/software/hadoop-3.2.4/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory] Exception in thread "main" java.lang.NoSuchMethodError: com.google.common.base.Preconditions.checkArgument(ZLjava/lang/String;Ljava/lang/Object;)V at org.apache.hadoop.conf.Configuration.set(Configuration.java:1357) at org.apache.hadoop.conf.Configuration.set(Configuration.java:1338) at org.apache.hadoop.mapred.JobConf.setJar(JobConf.java:536) at org.apache.hadoop.mapred.JobConf.setJarByClass(JobConf.java:554) at org.apache.hadoop.mapred.JobConf.<init>(JobConf.java:448) at org.apache.hadoop.hive.conf.HiveConf.initialize(HiveConf.java:5141) at org.apache.hadoop.hive.conf.HiveConf.<init>(HiveConf.java:5099) at org.apache.hadoop.hive.common.LogUtils.initHiveLog4jCommon(LogUtils.java:97) at org.apache.hadoop.hive.common.LogUtils.initHiveLog4j(LogUtils.java:81) at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:699) at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:683) 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:323) at org.apache.hadoop.util.RunJar.main(RunJar.java:236)
能咋解决嘞,看这个报错像是jar包冲突,百度一波。参考:https://blog.51cto.com/u_15316404/3216184
经过搜索确实是hadoop和hive的jar包冲突了,名字叫guava
在hadoop的目录为 hadoop/share/hadoop/common/lib下
在hive的目录为hive/lib
比较两个版本的jar包,将高版本的复制给另一个,然后低版本的删除,无非就是 mv、cp、rm(删除前最好养成备份的好习惯喔~),在此不多bb了。
Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
HiveMetaStore元数据,hive要有元数据呀??? 继续查呗,官网查到这样一段描述:
那就开始搞元数据,从官网获悉默认会以 derby 为元数据存储,先不着急换,先用着呗。开整,执行后出现了异常三
(base) zhangchenguang@cgzhang.local:/Users/zhangchenguang/software/hive-3.1.2 $ schematool -dbType derby -initSchema
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/zhangchenguang/software/hive-3.1.2/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/Users/zhangchenguang/software/hadoop-3.2.4/share/hadoop/common/lib/slf4j-reload4j-1.7.35.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html
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