ant重新编译打包hadoop-core-1.2.1.jar时遇到的错

时间：2021-11-21 21:35:20
错误1.

[root@MyDB01 hadoop]# ant -Dversion=1.2.1  examples

错误: 找不到或无法加载主类 org.apache.tools.ant.launch.Launcher

解决方案

export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib:/usr/share/ant/lib/ant-launcher.jar

错误2：

BUILD FAILED

/usr/local/hadoop/build.xml:634: Execute failed: java.io.IOException: Cannot run program "autoreconf" (in directory "/usr/local/hadoop/src/native"): error=2, 没有那个文件或目录

安装包：

[root@MyDB01 native]# yum -y install autoconf

错误3：

create-native-configure:

     [exec] Can't exec "aclocal": 没有那个文件或目录 at /usr/share/autoconf/Autom4te/FileUtils.pm line 326.

     [exec] autoreconf: failed to run aclocal: 没有那个文件或目录

安装包：

[root@MyDB01 hadoop]# yum -y install automake

错误4：

     [exec] configure.ac:48: error: possibly undefined macro: AC_PROG_LIBTOOL

     [exec]       If this token and others are legitimate, please use m4_pattern_allow.

     [exec]       See the Autoconf documentation.

     [exec] autoreconf: /usr/bin/autoconf failed with exit status: 1

安装包

[root@MyDB01 hadoop]# yum -y intall  libtool

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