CentOS6.4编译Hadoop-2.4.0

因为搭建Hadoop环境的时候，所用的系统镜像是emi-centos-6.4-x86_64，是64位的，而hadoop是默认是32的安装包。这导致我们很多操作都会遇到这个问题（Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /opt/hadoop-2.4.0/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.）
为了解决此问题，需要重新编译hadoop。把生成的 hadoop-2.4.0-src/hadoop-dist/target/hadoop-2.4.0/lib/native 覆盖到 /opt/hadoop-2.4.0/lib/native。

以下是具体的编译步骤：

1. 安装下面的软件

[root@hd1 software]# yum install lzo-devel zlib-devel gcc autoconf automake libtool ncurses-devel openssl-deve

2. 安装Maven

[hxiaolong@hd1 software]$ wget http://mirror.esocc.com/apache/maven/maven-3/3.0.5/binaries/apache-maven-3.0.5-bin.tar.gz [hxiaolong@hd1 software]$ tar zxf apache-maven-3.0.5-bin.tar.gz -C /opt

[hxiaolong@hd1 software]$ vi /etc/profile
export MAVEN_HOME=/opt/apache-maven-3.0.5
export PATH=$PATH:$MAVEN_HOME/bin

3. 安装Ant

[hxiaolong@hd1 software]$ wget http://mirror.bit.edu.cn/apache/ant/binaries/apache-ant-1.9.4-bin.tar.gz [hxiaolong@hd1 software]$ tar zxf apache-ant-1.9.4-bin.tar.gz -C /opt

[hxiaolong@hd1 software]$ vi /etc/profile
export ANT_HOME=/opt/apache-ant-1.9.4
export PATH=$PATH:$ANT_HOME/bin

4. 安装Findbugs

[hxiaolong@hd1 software]$ wget http://prdownloads.sourceforge.net/findbugs/findbugs-2.0.3.tar.gz?download [hxiaolong@hd1 software]$ tar zxf findbugs-2.0.3.tar.gz -C /opt

[hxiaolong@hd1 software]$ vi /etc/profile
export FINDBUGS_HOME=/opt/findbugs-2.0.3
export PATH=$PATH:$FINDBUGS_HOME/bin

5. 安装protobuf

[hxiaolong@hd1 software]$ tar zxf protobuf-2.5.0.tar.gz
[hxiaolong@hd1 software]$ cd protobuf-2.5.0
[hxiaolong@hd1 software]$ ./configure
[hxiaolong@hd1 software]$ make
[hxiaolong@hd1 software]$ make install

说实话，上面这种编译、安装方式挺麻烦的。很容易碰到各种依赖问题。这里推荐用yum install来安装。

[root@hd1 protobuf-2.5.0]# yum install protobuf

6. 编译Hadoop

1) 在name节点上先编译hadoop

[hxiaolong@hd1 software]$ wget http://mirrors.cnnic.cn/apache/hadoop/common/hadoop-2.4.0/hadoop-2.4.0-src.tar.gz [hxiaolong@hd1 software]$ cd hadoop-2.4.0-src

[hxiaolong@hd1 software]$ mvn package -DskipTests -Pdist,native -Dtar

中间过程出错了，错误信息如下：

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (make) on project hadoop-common: An Ant BuildException has occured: Execute failed: java.io.IOException: Cannot run program "cmake" (in directory "/home/hxiaolong/software/hadoop-2.4.0-src/hadoop-common-project/hadoop-common/target/native"): error=2, No such file or directory
[ERROR] around Ant part ...<exec dir="/home/hxiaolong/software/hadoop-2.4.0-src/hadoop-common-project/hadoop-common/target/native" executable="cmake" failonerror="true">... @ 4:145 in /home/hxiaolong/software/hadoop-2.4.0-src/hadoop-common-project/hadoop-common/target/antrun/build-main.xml
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException [ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hadoop-common

网上看了下，是因为cmake没安装引起的。安装一下再试。

[root@hd1 hadoop-2.4.0-src]# yum instsall cmake

重新编译，最终成功了。

[hxiaolong@hd1 software]$ mvn package -DskipTests -Pdist,native -Dtar

main:
[exec] $ tar cf hadoop-2.4.0.tar hadoop-2.4.0
[exec] $ gzip -f hadoop-2.4.0.tar
[exec]
[exec] Hadoop dist tar available at: /home/hxiaolong/software/hadoop-2.4.0-src/hadoop-dist/target/hadoop-2.4.0.tar.gz

[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 12:41.833s
[INFO] Finished at: Wed Jul 23 03:01:18 UTC 2014
[INFO] Final Memory: 159M/646M
[INFO] ------------------------------------------------------------------------

2) 把编译后的hadoop的native目录copy到/opt/hadoop-2.4.0/lib/

[hxiaolong@hd1 lib]$ rm -rf /opt/hadoop-2.4.0/lib/native
[hxiaolong@hd1 lib]$ cp -R /home/hxiaolong/software/hadoop-2.4.0-src/hadoop-dist/target/hadoop-2.4.0/lib/native /opt/hadoop-2.4.0/lib/

这是非常重要的一个步骤。

3) 把编译后的hadoop的native目录scp其它节点

[root@hd1 lib]# scp -r /home/hxiaolong/software/hadoop-2.4.0-src/hadoop-dist/target/hadoop-2.4.0/lib/native/ hd2:/opt/hadoop-2.4.0/lib/
[root@hd1 lib]# scp -r /home/hxiaolong/software/hadoop-2.4.0-src/hadoop-dist/target/hadoop-2.4.0/lib/native/ hd3:/opt/hadoop-2.4.0/lib/

如果不把重新编译过后的native目录同步到其它节点，那在其它节点也会遇到同样的问题。

4) 验证

[hxiaolong@hd2 native]$ hadoop fs -ls /
Found 1 items
drwxr-xr-x   - hxiaolong supergroup          0 2014-07-23 05:21 /input

OK了，不会报错了。
今天偶然发现这个镜像mirror.bit.edu.cn还蛮快的，而且比较稳定。看了下，是北理的。赞一个～