编译hive时遇到 failed to create task or type osfamily问题
2013-04-27 21:17
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一、前言
在用ANT编译hive源码时遇到这个问题
二、解决办法
打开build-common.xml文件在<osfamily property="os.family"/> 前面添加一行
<taskdef name="osfamily" classname="net.sf.antcontrib.platform.OsFamily" />
同时下载ant-contrib-0.3.jar 并放在$ANT_HOME/lib目录下。
重新编译，问题解决
三、总结
osfamily是每三方的ant task,其是在ant-contrib.jar的net.sf.antcontrib.platform.OsFamily中定义 的。关于osfamily请参考
http://dev.cs.uni-magdeburg.de/java/ant-contrib-1.0b3/api/net/sf/antcontrib/platform/OsFamily.html
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