遇到的问题描述：
[root@db96 hadoop]# hadoop dfs -put ./in
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.
14/07/17 17:07:22 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
put: `./in': No such file or directory
原因查找：
查看本地文件：
[root@db96 hadoop]# file /usr/local/hadoop/lib/native/libhadoop.so.1.0.0
/usr/local/hadoop/lib/native/libhadoop.so.1.0.0: ELF 32-bit LSB shared object,
Intel 80386, version 1 (SYSV), dynamically linked, not stripped
是32位的hadoop，安装在了64位的linux系统上。lib包编译环境不一样，所以不能使用。
悲剧了，装好的集群没法用。
解决办法：重新编译hadoop.//就是重新编译hadoop软件。 (本例文是在从库db99上编译。你也可以在master db96上编译
//只要机器的环境一直。)
下载程序代码：(linux下安装svn)
# yum install svn
[root@db99 data]# /usr/local/svn/bin/svn checkout 'http://svn.apache.org/repos/asf/hadoop/common/tags/release-2.2.0'
[root@db99 release-2.2.0]# ll
总用量 84
-rw-r--r-- 1 root root 9968 7月 17 18:51 BUILDING.txt
drwxr-xr-x 3 root root 4096 7月 17 18:51 dev-support
drwxr-xr-x 4 root root 4096 7月 17 18:51 hadoop-assemblies
drwxr-xr-x 3 root root 4096 7月 17 18:51 hadoop-client
drwxr-xr-x 9 root root 4096 7月 17 18:51 hadoop-common-project
drwxr-xr-x 3 root root 4096 7月 17 18:50 hadoop-dist
drwxr-xr-x 7 root root 4096 7月 17 18:51 hadoop-hdfs-project
drwxr-xr-x 11 root root 4096 7月 17 18:51 hadoop-mapreduce-project
drwxr-xr-x 4 root root 4096 7月 17 18:51 hadoop-maven-plugins
drwxr-xr-x 3 root root 4096 7月 17 18:50 hadoop-minicluster
drwxr-xr-x 4 root root 4096 7月 17 18:50 hadoop-project
drwxr-xr-x 3 root root 4096 7月 17 18:50 hadoop-project-dist
drwxr-xr-x 12 root root 4096 7月 17 18:50 hadoop-tools
drwxr-xr-x 4 root root 4096 7月 17 18:51 hadoop-yarn-project
-rw-r--r-- 1 root root 16569 7月 17 18:51 pom.xml
安装开发环境
1. 安装必要的包：
[root@db99 data]# yum install autoconfautomake libtool cmake ncurses-devel openssl-devel gcc* --nogpgcheck
2. 安装maven,下载并解压。
http://maven.apache.org/download.cgi //下载对应的压缩包
apache-maven-3.2.1-bin.tar
[root@db99 ~]# tar -xvf apache-maven-3.2.1-bin.tar
[root@db99 ~]# tar -xvf apache-maven-3.2.1-bin.tar
[root@db99 ~]# ln -s /usr/local/apache-maven-3.2.1/ /usr/local/maven
[root@db99 local]# vim /etc/profile //添加环境变量中
export MAVEN_HOME=/usr/local/maven
export PATH=$MAVEN_HOME/bin:$PATH
3. 安装protobuf
https://code.google.com/p/protobuf/downloads/detail?name=protobuf-2.5.0.tar.gz
下载：protobuf-2.5.0.tar.gz 并解压
[root@db99 protobuf-2.5.0]# pwd
/root/protobuf-2.5.0
[root@db99 protobuf-2.5.0]# ./configure --prefix=/usr/local/protoc/
[root@db99 protobuf-2.5.0]# make
[root@db99 protobuf-2.5.0]# make check
[root@db99 protobuf-2.5.0]# make install
[root@db99 protobuf-2.5.0]# protoc --version
libprotoc 2.5.0
安装成功。
添加环境变量：
vi /etc/profile
export MAVEN_HOME=/usr/local/maven
export JAVA_HOME=/usr/java/latest
export HADOOP_HOME=/usr/local/hadoop
export PATH=.:/usr/local/protoc/bin:$MAVEN_HOME/bin:$JAVA_HOME/bin:$PATH
4. 编译hadoop
[root@db99 release-2.2.0]# pwd
/data/release-2.2.0
[root@db99 release-2.2.0]# ls
BUILDING.txt hadoop-common-project hadoop-maven-plugins hadoop-tools
dev-support hadoop-dist hadoop-minicluster hadoop-yarn-project
hadoop-assemblies hadoop-hdfs-project hadoop-project pom.xml
hadoop-client hadoop-mapreduce-project hadoop-project-dist
[root@db99 release-2.2.0]# mvn package -Pdist,native -DskipTests -Dtar
..............编译需要较长时间大概1个小时左右。
如果出现如下错误：
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.5.1:testCompile (default-testCompile) on project
hadoop-auth: Compilation failure: Compilation failure:
[ERROR] /home/hduser/hadoop-2.2.0-src/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication
/client/AuthenticatorTestCase.java:[88,11] error: cannot access AbstractLifeCycle
[ERROR] class file for org.mortbay.component.AbstractLifeCycle not found
[ERROR] /home/hduser/hadoop-2.2.0-src/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication
/client/AuthenticatorTestCase.java:[96,29] error: cannot access LifeCycle
[ERROR] class file for org.mortbay.component.LifeCycle not found
[ERROR] /home/hduser/hadoop-2.2.0-src/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication
/client/AuthenticatorTestCase.java:[98,10] error: cannot find symbol
[ERROR] symbol: method start()
[ERROR] location: variable server of type Server
[ERROR] /home/hduser/hadoop-2.2.0-src/hadoop-common-project/hadoop-auth/src/test/java/org/apache/hadoop/security/authentication
/client/AuthenticatorTestCase.java:[104,12] error: cannot find symbol
[ERROR] -> [Help 1]
需要修改源码下边的hadoop-common-project/hadoop-auth/pom.xml
vi ~/hadoop-common-project/hadoop-auth/pom.xml
[root@db99 release-2.2.0]# vim /data/release-2.2.0/hadoop-common-project/hadoop-auth/pom.xml
在第55行下添加：
56 <dependency>
57 <groupId>org.mortbay.jetty</groupId>
58 <artifactId>jetty-util</artifactId>
59 <scope>test</scope>
60 </dependency>
保存退出，重新编译即可。
最后编译成功：
[INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ hadoop-minicluster ---
[INFO] Building jar: /data/release-2.2.0/hadoop-minicluster/target/hadoop-minicluster-2.2.0-javadoc.jar
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Apache Hadoop Main ................................ SUCCESS [ 1.386 s]
[INFO] Apache Hadoop Project POM ......................... SUCCESS [ 1.350 s]
[INFO] Apache Hadoop Annotations ......................... SUCCESS [ 2.732 s]
[INFO] Apache Hadoop Assemblies .......................... SUCCESS [ 0.358 s]
[INFO] Apache Hadoop Project Dist POM .................... SUCCESS [ 2.048 s]
[INFO] Apache Hadoop Maven Plugins ....................... SUCCESS [ 3.450 s]
[INFO] Apache Hadoop Auth ................................ SUCCESS [ 16.114 s]
[INFO] Apache Hadoop Auth Examples ....................... SUCCESS [ 13.317 s]
[INFO] Apache Hadoop Common .............................. SUCCESS [05:22 min]
[INFO] Apache Hadoop NFS ................................. SUCCESS [ 16.925 s]
[INFO] Apache Hadoop Common Project ...................... SUCCESS [ 0.044 s]
[INFO] Apache Hadoop HDFS ................................ SUCCESS [02:51 min]
[INFO] Apache Hadoop HttpFS .............................. SUCCESS [ 28.601 s]
[INFO] Apache Hadoop HDFS BookKeeper Journal ............. SUCCESS [ 27.589 s]
[INFO] Apache Hadoop HDFS-NFS ............................ SUCCESS [ 3.966 s]
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [ 0.044 s]
[INFO] hadoop-yarn ....................................... SUCCESS [ 52.846 s]
[INFO] hadoop-yarn-api ................................... SUCCESS [ 41.700 s]
[INFO] hadoop-yarn-common ................................ SUCCESS [ 25.945 s]
[INFO] hadoop-yarn-server ................................ SUCCESS [ 0.105 s]
[INFO] hadoop-yarn-server-common ......................... SUCCESS [ 8.436 s]
[INFO] hadoop-yarn-server-nodemanager .................... SUCCESS [ 15.659 s]
[INFO] hadoop-yarn-server-web-proxy ...................... SUCCESS [ 3.647 s]
[INFO] hadoop-yarn-server-resourcemanager ................ SUCCESS [ 12.495 s]
[INFO] hadoop-yarn-server-tests .......................... SUCCESS [ 0.684 s]
[INFO] hadoop-yarn-client ................................ SUCCESS [ 5.266 s]
[INFO] hadoop-yarn-applications .......................... SUCCESS [ 0.102 s]
[INFO] hadoop-yarn-applications-distributedshell ......... SUCCESS [ 2.666 s]
[INFO] hadoop-mapreduce-client ........................... SUCCESS [ 0.093 s]
[INFO] hadoop-mapreduce-client-core ...................... SUCCESS [ 20.092 s]
[INFO] hadoop-yarn-applications-unmanaged-am-launcher .... SUCCESS [ 2.783 s]
[INFO] hadoop-yarn-site .................................. SUCCESS [ 0.225 s]
[INFO] hadoop-yarn-project ............................... SUCCESS [ 36.636 s]
[INFO] hadoop-mapreduce-client-common .................... SUCCESS [ 16.645 s]
[INFO] hadoop-mapreduce-client-shuffle ................... SUCCESS [ 3.058 s]
[INFO] hadoop-mapreduce-client-app ....................... SUCCESS [ 9.441 s]
[INFO] hadoop-mapreduce-client-hs ........................ SUCCESS [ 5.482 s]
[INFO] hadoop-mapreduce-client-jobclient ................. SUCCESS [ 7.615 s]
[INFO] hadoop-mapreduce-client-hs-plugins ................ SUCCESS [ 2.473 s]
[INFO] Apache Hadoop MapReduce Examples .................. SUCCESS [ 6.183 s]
[INFO] hadoop-mapreduce .................................. SUCCESS [ 6.454 s]
[INFO] Apache Hadoop MapReduce Streaming ................. SUCCESS [ 4.802 s]
[INFO] Apache Hadoop Distributed Copy .................... SUCCESS [ 27.635 s]
[INFO] Apache Hadoop Archives ............................ SUCCESS [ 2.850 s]
[INFO] Apache Hadoop Rumen ............................... SUCCESS [ 6.092 s]
[INFO] Apache Hadoop Gridmix ............................. SUCCESS [ 4.742 s]
[INFO] Apache Hadoop Data Join ........................... SUCCESS [ 3.155 s]
[INFO] Apache Hadoop Extras .............................. SUCCESS [ 3.317 s]
[INFO] Apache Hadoop Pipes ............................... SUCCESS [ 9.791 s]
[INFO] Apache Hadoop Tools Dist .......................... SUCCESS [ 2.680 s]
[INFO] Apache Hadoop Tools ............................... SUCCESS [ 0.036 s]
[INFO] Apache Hadoop Distribution ........................ SUCCESS [ 20.765 s]
[INFO] Apache Hadoop Client .............................. SUCCESS [ 6.476 s]
[INFO] Apache Hadoop Mini-Cluster ........................ SUCCESS [ 0.215 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 16:32 min
[INFO] Finished at: 2014-07-18T01:18:24+08:00
[INFO] Final Memory: 117M/314M
[INFO] ------------------------------------------------------------------------
此时编译好的文件位于 ~/hadoop-dist/target/hadoop-2.2.0/ 目录中
拷贝hadoop-2.2.0到安装目录下，/usr/local/ 重新修改其配置文件，重新并格式化，启动，即可。
到此已经不会报错，可以使用。
[root@db96 hadoop]# hadoop dfs -put ./in
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.
put: `.': No such file or directory
[root@db96 hadoop]# file /usr/local/hadoop/lib/native/libhadoop.so.1.0.0
/usr/local/hadoop/lib/native/libhadoop.so.1.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked,
not stripped
测试使用：上传一个文件，下载一个文件，查看上传文件的内容：
[root@db96 ~]# cat wwn.txt
# This is a text txt
# by coco
# 2014-07-18
[root@db96 ~]# hdfs dfs -mkdir /test
[root@db96 ~]# hdfs dfs -put wwn.txt /test
[root@db96 ~]# hdfs dfs -cat /test/wwn.txt
[root@db96 ~]# hdfs dfs -get /test/wwn.txt /tmp
[root@db96 hadoop]# hdfs dfs -rm /test/wwn.txt
[root@db96 tmp]# ll
总用量 6924
-rw-r--r-- 1 root root 70 7月 18 11:50 wwn.txt
[root@db96 ~]# hadoop dfs -ls /test
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.
Found 2 items
-rw-r--r-- 2 root supergroup 6970105 2014-07-18 11:44 /test/gc_comweight.txt
-rw-r--r-- 2 root supergroup 59 2014-07-18 14:56 /test/hello.txt
到此我们的hdfs文件系统已经能正常使用。
--转自
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