hive安装

下载并解压hive

在env中添加HADOOP_HOME=/opt/apps/software/hadoop-2.7.3

修改模板hive-site并添加如下

<property>
    <name>javax.jdo.option.ConnectionDriverName</name>
    <value>com.mysql.jdbc.Driver</value>
    <description>Driver class name for a JDBC metastore</description>
</property>

<property>
    <name>javax.jdo.option.ConnectionURL</name>
    <value>jdbc:mysql://hadoop1:3306/hive?createDatabaseIfNotExist=true</value>
    <description>JDBC connect string for a JDBC metastore</description>
</property>

<property>
    <name>javax.jdo.option.ConnectionUserName</name>
    <value>hive</value>
    <description>Username to use against metastore database</description>
</property>

<property>
    <name>javax.jdo.option.ConnectionPassword</name>
    <value>hive</value>
    <description>password to use against metastore database</description>
</property>

启动hive 报错如下

java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient

如下方法解决:

./schematool -initSchema -dbType mysql

报错如下:

${system:java.io.tmpdir%7D/$%7Bsystem:user.name%7D

原因:system:java.io.tmpdir 和system:user.name提示需要使用绝对路径

修改hive-sit中的

<property>
    <name>hive.exec.local.scratchdir</name>
    <value>${system:java.io.tmpdir}/${system:user.name}</value>
    <description>Local scratch space for Hive jobs</description>
  </property>
  <property>
    <name>hive.downloaded.resources.dir</name>
    <value>${system:java.io.tmpdir}/${hive.session.id}_resources</value>
    <description>Temporary local directory for added resources in the remote file system.</description>
  </property>
   <property>
    <name>hive.querylog.location</name>
    <value>${system:java.io.tmpdir}/${system:user.name}</value>
    <description>Location of Hive run time structured log file</description>
  </property>
    <property>
    <name>hive.server2.logging.operation.log.location</name>
    <value>${system:java.io.tmpdir}/${system:user.name}/operation_logs</value>
    <description>Top level directory where operation logs are stored if logging functionality is enabled</description>
  </property>
参考:https://blog.csdn.net/freedomboy319/article/details/44828337

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