1.准备工作

• jdk：


• eclipse：


• Maven：


• libprotoc ：https://developers.google.com/protocol-buffers/


• hadoop:http://www.apache.org/dyn/closer.cgi/hadoop/common/

添加开源中国maven库：http://maven.oschina.net/home.html

maven\conf\settings.xml

<localRepository>path</localRepository>

<localRepository>path</localRepository>
<mirrors>

    <mirror>

        <id>nexus-osc</id>

        <mirrorOf>*</mirrorOf>

        <name>Nexus osc</name>

        <url>http://maven.oschina.net/content/groups/public/</url>

    </mirror>

</mirrors>

2.导入

1. 将hadoop源码解压到一个目录，注意目录层次不要太深，否则可能无法解压。


2. 进入hadoop-maven-plugins文件夹，执行 mvn install


3. 返回源码根目录，执行 mvn eclipse:eclipse
   –DskipTests


4. eclipse在任意目录创建新的WorkSpace


5. eclipse设置Maven：window->preference->maven->{Installations...;user
   Settings：maven\conf\settings.xml}


6. eclipse：File->inport->Existing Projects into
   WorkSpace->Hadoop源码根目录

3.错误处理

1. maven下载pom失败->重新操作


2. hadoop-streaming中build path错误->Java Build Path->Source:
   
   1. 删除...hadoop-yarn-server-resourcemanager/conf
   
   
   2. Link
      Source:源码根目录/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/conf，再随便起个名字；inclusion
      patterns：capacity-scheduler.xml；exclusion patters：**/*.java


3. org.apache.hadoop.io.serializer.avro.TestAvroSerialization
   
   
   1. 下载avro-tools-1.7.4.jar：http://archive.apache.org/dist/avro/avro-1.7.4/java/
   
   
   2. 进入目录：源码根目录\hadoop-common-project\hadoop-common\src\test\avro
   
   
   3. java -jar path/to/avro-tools-1.7.4.jar compile schema avroRecord.avsc
      ..\java
   
   
   4. eclipse 刷新


4. org.apache.hadoop.ipc.protobuf.TestProtos
   
   
   1. 进入目录：源码根目录\hadoop-common-project\hadoop-common\src\test\proto
   
   
   2. protoc --java_out=../java *.proto
   
   
   3. eclipse 刷新


5. project->clean..->clean all projects & Build the entire
   workspace

Eclipse 导入 Hadoop 源码