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小编给大家分享一下如何编译hadoop1.x的eclipse插件，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！
注意：以下操作基于Hadoop-1.2.1，Eclipse Luna，Win7 64位
1、将hadoop eclipse插件的工程导入Eclipse。插件源码目录如下：
D:\Lab\lib\hadoop\hadoop-1.2.1\src\contrib\eclipse-plugin
2、配置工程依赖
3、准备ant的配置文件
D:\Lab\lib\hadoop\hadoop-1.2.1\src\contrib\build-contrib.xml
将以上build-contrib.xml拷贝到项目目录中，并修改文件内容。具体如下：
<property name="name" value="${ant.project.name}"/>
<property name="root" value="${basedir}"/>
<property name="hadoop.root" location="D:/Lab/lib/hadoop/hadoop-1.2.1"/>
<property name="eclipse.home" location="D:/Program Files/Eclipse/eclipse-jee-luna-R-win32-x86_64"/>
<property name="version" value="1.2.1"/>
<property name="build.contrib.dir" location="${root}/build/contrib"/>
<property name="build.dir" location="${root}/build/contrib/${name}"/>4、修改build.xml
<!-- 1.修改 build-contrib.xml的位置，去掉"../" -->
<import file="build-contrib.xml" />
<!-- 2.添加如下，否则提示"软件包 org.apache.hadoop.fs 不存在" -->
<path id="hadoop-jars">
<fileset dir="${hadoop.root}/">
<include name="hadoop-*.jar" />
</fileset>
</path>
<!-- Override classpath to include Eclipse SDK jars -->
<path id="classpath">
<pathelement location="${build.classes}" />
<pathelement location="${hadoop.root}/build/classes" />
<path refid="eclipse-sdk-jars" />
<path refid="hadoop-jars" /><!--本行为添加内容-->
</path>
<!-- 3.修改并添加jar包,有些包已经有了,只添没有的 -->
<!-- Override jar target to specify manifest -->
<target name="jar" depends="compile" unless="skip.contrib">
<mkdir dir="${build.dir}/lib" />
<copy file="${hadoop.root}/hadoop-core-${version}.jar" tofile="${build.dir}/lib/hadoop-core.jar" verbose="true" />
<copy file="${hadoop.root}/lib/commons-cli-1.2.jar" todir="${build.dir}/lib" verbose="true" />
<copy file="${hadoop.root}/lib/commons-lang-2.4.jar" todir="${build.dir}/lib" verbose="true" />
<copy file="${hadoop.root}/lib/commons-configuration-1.6.jar" todir="${build.dir}/lib" verbose="true" />
<copy file="${hadoop.root}/lib/commons-httpclient-3.0.1.jar" todir="${build.dir}/lib" verbose="true" />
<copy file="${hadoop.root}/lib/jackson-mapper-asl-1.8.8.jar" todir="${build.dir}/lib" verbose="true" />
<copy file="${hadoop.root}/lib/jackson-core-asl-1.8.8.jar" todir="${build.dir}/lib" verbose="true" />
<jar jarfile="${build.dir}/hadoop-${name}-${version}.jar" manifest="${root}/META-INF/MANIFEST.MF">
<fileset dir="${build.dir}" includes="classes/ lib/" />
<fileset dir="${root}" includes="resources/ plugin.xml" />
</jar>
</target>5、修改MENIFEST.MF，在Bundule-ClassPath中增加一些依赖的jar。
Bundle-ClassPath: classes/, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/hadoop-core-1.2.1.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/commons-cli-1.2.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/commons-configuration-1.6.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/commons-httpclient-3.0.1.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/commons-lang-2.4.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/jackson-core-asl-1.8.8.jar, D:/Lab/lib/hadoop/hadoop-1.2.1/lib/jackson-mapper-asl-1.8.8.jar
5、增加Ant Builder。
6、编译
在Project菜单中Build Project
7、运行结果
Buildfile: D:\Lab\ws-back-end\MapReduceTools\build.xml check-contrib: init: [echo] contrib: eclipse-plugin [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\classes [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\test [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\system [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\system\classes [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\examples [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\test\logs init-contrib: ivy-download: [get] Getting: http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.1.0/ivy-2.1.0.jar [get] To: D:\Lab\lib\hadoop\hadoop-1.2.1\ivy\ivy-2.1.0.jar [get] http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.1.0/ivy-2.1.0.jar moved to http://120.195.54.5:801/videoplayer/ivy-2.1.0.jar?ich_u_r_i=ae068fe40ff82e58486dd0954048cc19&ich_s_t_a_r_t=0&ich_e_n_d=0&ich_k_e_y=1445088923750763152452&ich_t_y_p_e=1&ich_d_i_s_k_i_d=6&ich_u_n_i_t=1 [get] Not modified - so not downloaded ivy-probe-antlib: ivy-init-antlib: ivy-init: [ivy:configure] :: Ivy 2.1.0 - 20090925235825 :: http://ant.apache.org/ivy/ :: [ivy:configure] :: loading settings :: file = D:\Lab\lib\hadoop\hadoop-1.2.1\ivy\ivysettings.xml ivy-resolve-common: ivy-retrieve-common: [ivy:cachepath] DEPRECATED: 'ivy.conf.file' is deprecated, use 'ivy.settings.file' instead [ivy:cachepath] :: loading settings :: file = D:\Lab\lib\hadoop\hadoop-1.2.1\ivy\ivysettings.xml compile: [echo] contrib: eclipse-plugin [javac] D:\Lab\ws-back-end\MapReduceTools\build.xml:65: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds [javac] Compiling 45 source files to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\classes [javac] 注: 某些输入文件使用或覆盖了已过时的 API。 [javac] 注: 有关详细信息, 请使用 -Xlint:deprecation 重新编译。 [javac] 注: 某些输入文件使用了未经检查或不安全的操作。 [javac] 注: 有关详细信息, 请使用 -Xlint:unchecked 重新编译。 jar: [mkdir] Created dir: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\hadoop-core-1.2.1.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\hadoop-core.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\commons-cli-1.2.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\commons-cli-1.2.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\commons-lang-2.4.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\commons-lang-2.4.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\commons-configuration-1.6.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\commons-configuration-1.6.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\commons-httpclient-3.0.1.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\commons-httpclient-3.0.1.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\jackson-mapper-asl-1.8.8.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\jackson-mapper-asl-1.8.8.jar [copy] Copying 1 file to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib [copy] Copying D:\Lab\lib\hadoop\hadoop-1.2.1\lib\jackson-core-asl-1.8.8.jar to D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\lib\jackson-core-asl-1.8.8.jar [jar] Building jar: D:\Lab\ws-back-end\MapReduceTools\build\contrib\eclipse-plugin\hadoop-eclipse-plugin-1.2.1.jar BUILD SUCCESSFUL Total time: 6 seconds
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