安装Hive过程中遇到的问题以及解决方法(Ubuntu)_ubuntu启动hive失败

Ubuntu系统　已安装Hadoop3.1.3和MySQL

安装启动Hive过程中遇到的问题以及解决方法：

问题一：
启动hive报错：SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/usr/local/hive/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/usr/local/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.25.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
解决方法：斜体部分冲突，删除其中一个

hadoop@zy-virtual-machine:/usr/local/hive$ cd /usr/local/hive/lib
hadoop@zy-virtual-machine:/usr/local/hive/lib$ rm log4j-slf4j-impl-2.10.0.jar
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问题二：
启动hive依然报错：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)
…
解决方法：hadoop和hive的两个guava.jar版本不一致，将低版本删除，高版本拷贝过去

hadoop@zy-virtual-machine:~$ cd /usr/local/hive/lib　
hadoop@zy-virtual-machine:/usr/local/hive/lib$ rm guava-19.0.jar	# 删除
hadoop@zy-virtual-machine:/usr/local/hadoop/share/hadoop/common/lib$ cp -a guava-27.0-jre.jar /usr/local/hive/lib/	# 拷贝
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guava版本号.jar　事先查询一下自己目录下的，两个路径分别是：

• /usr/local/hive/lib/
• /usr/local/hadoop/share/hadoop/common/lib/

问题三：
运行建表或其他命令报错：FAILED: HiveException java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.me
解决方法：退出hive，执行下一行代码，初始化数据库

hive> exit;　# 退出hive
hadoop@zy-virtual-machine:/usr/local/hive$ schematool -dbType mysql -initSchema
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