由於2.4.0默認配置的libhadoop是32位的，在64位的操作系統環境運行過程中，會提示以下錯誤：
Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /opt/hadoop-2.2.0/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
13/11/01 10:58:59 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
需要重新編譯Hadoop的代碼，得到適合的庫文件。按以下步驟執行。
下載Hadoop 2.4.0 源代碼
可以從Apache官方下載Hadoop 2.2.0的源代碼，或者在以下網址下載Hadoop 2.2.0的源代碼：
http://mirrors.cnnic.cn/apache/hadoop/common/hadoop-2.2.0/hadoop-2.2.0-src.tar.gz
配置編譯環境
本文采用的Ubuntu 12.04.3 LTS環境，先安裝編譯環境：
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$ yum install
yum install gcc gcc-c++ kernel-devel
$ yum install g++ autoconf automake libtool cmake zlib1g-dev pkg-config libssl-dev
安裝 build-essential
yum groupinstall "Development Tools"
這時候需要用wget命令去網絡上下載資源包
wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
然後重新安裝maven
安裝maven
yum -y install apache-maven
配置protobuf
編譯過程需要使用protobuf，建議先行安裝。Ubuntu倉庫默認的protobuf是2.4.1版，需要最新的2.5版：
https://protobuf.googlecode.com/files/protobuf-2.5.0.tar.gz
下載解壓後，執行：
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$ tar xzvf protobuf-2.5.0.tar.gz
$ cd protobuf-2.5.0
$ ./configure --prefix=/usr
$ make
$ sudo make install
編譯hadoop
解壓進入hadoop源碼目錄，執行編譯：
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$ tar xzvf hadoop-2.2.0-src.tar.gz
$ cd hadoop-2.2.0-src
$ mvn package -Pdist,native -DskipTests -Dtar
編譯過程中maven會自動下載依賴。編譯完成後，系統會提示以下信息：
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[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------
[INFO] Total time: 15:39.705s
[INFO] Finished at: Fri Nov 01 14:36:17 CST 2013
[INFO] Final Memory: 135M/422M
然後在以下目錄可以獲取編譯完成的libhadoop：
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hadoop-2.2.0-src/hadoop-dist/target/hadoop-2.2.0/lib
注：默認源地址下，maven下載依賴時間極長，建議使用國內源，參考《maven國內鏡像配置》文檔。
然後將編譯的lib/native文件夾替換原本的即可。