ant 打包 hadoop2.7.0 eclipse插件中的问题

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BUILD FAILED/home/hadoop/Downloads/hadoop2x-eclipse-plugin-master/src/contrib/eclipse-plugin/build.xml:121: Warning: Could not find file /home/hadoop/hadoop/2.7.1/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar to copy.

这就是上面说的原始工程是以hadoop 2.6配置的，而hadoop 2.7.1中依赖的jar包和hadoop 2.6不同，所以找不到要拷贝的jar包。我们可以在${hadoop_home}/share/hadoop/common/lib下找到2.7.1下的jar版本，同时根据官方文档，修改配置文件${hadoop2x-eclipse-plugin-master}/ivy/libraries.properties
对于hadoop 2.7.1需要修改4个，修改如下

#hadoop.version=2.6.0...hadoop.version=2.7.0#htrace.version=3.0.4htrace.version=3.1.0-incubating...#slf4j-api.version=1.7.5#slf4j-log4j12.version=1.7.5slf4j-api.version=1.7.10slf4j-log4j12.version=1.7.10

重新运行

F:\hadoop\hadoop2x-eclipse-plugin-master\src\contrib\eclipse-plugin>ant jar -Dversion=2.7.0 -Declipse.home=E:\eclipse\eclipse -Dhadoop.home=F:\hadoop\hadoop-2.7.0\hadoop-2.7.0

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