Hive-1.2.1 HWI 图形化界面问题

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1、下载apache-hive-1.2.1-src.tar.gz
2、解压apache-hive-1.2.1-src.tar.gz （tar -zxvf apache-hive-1.2.1-src.tar.gz）
3、进入cd apache-hive-1.2.1-src/hwi
4、把web打包（jar cvfM0 hive-hwi-1.2.1.war -C web/ .）
5、把war包cp到hive的lib目录下
6、修改hive-site.xml配置

hive.hwi.listen.host
pc.study.crxy.cn
This is the host address the Hive Web Interface will listen on


hive.hwi.listen.port
9999.
This is the port the Hive Web Interface will listen on


hive.hwi.war.file
lib/hive-hwi-1.2.1.war
This sets the path to the HWI war file, relative to ${HIVE_HOME}.

7、启动hive --service hwi &

其中遇到的问题：
启动时报错：ERROR compiler.Compiler: Javac exception
Unable to find a javac compiler; com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK. It is currently set to "/usr/local/java/jre"
执行ln -s $JAVA_HOME/lib/tools.jar $HIVE_HOME/lib/
然后kill掉启动进程，继续hive --service hwi &
问题就解决了