怎么重新安装sqoop

[root@master ~]# sqoop version
Warning: /root/sqoop/../hcatalog does not exist! HCatalog jobs will fail.
Please set $HCAT_HOME to the root of your HCatalog installation.
Warning: /root/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
Warning: /root/sqoop/../zookeeper does not exist! Accumulo imports will fail.
Please set $ZOOKEEPER_HOME to the root of your Zookeeper installation.
/usr/hadoop/bin/hadoop: line 166: /usr/java/bin/java: 没有那个文件或目录
/usr/hadoop/bin/hadoop: line 166: exec: /usr/java/bin/java: cannot execute: 没有那个文件或目录

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