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Hadoop2.x安装启动错误

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发布： 2016-06-07 16:35:44

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hadoop2安装笔记可以参看：http://www.geedoo.info/hadoop2-development-environment-to-build-test.html 这里主要记录下hadoop安装和测试过程遇到的问题记录： 1.问题一安装配置完成后执行start-dfs.sh出现如下异常： sed: -e expression #1, char 6: unkn

hadoop2安装笔记可以参看：http://www.geedoo.info/hadoop2-development-environment-to-build-test.html

这里主要记录下hadoop安装和测试过程遇到的问题记录：

1.问题一

安装配置完成后执行start-dfs.sh出现如下异常：

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sed: -e expression #1, char 6: unknown option to `s'
have: ssh: Could not resolve hostname have: Name or service not known
loaded: ssh: Could not resolve hostname loaded: Name or service not known
VM: ssh: Could not resolve hostname VM: Name or service not known
library: ssh: Could not resolve hostname library: Name or service not known
which: ssh: Could not resolve hostname which: Name or service not known
You: ssh: Could not resolve hostname You: Name or service not known
stack: ssh: Could not resolve hostname stack: Name or service not known
might: ssh: Could not resolve hostname might: Name or service not known
have: ssh: Could not resolve hostname have: Name or service not known
guard.: ssh: Could not resolve hostname guard.: Name or service not known
Java: ssh: Could not resolve hostname Java: Name or service not known
disabled: ssh: Could not resolve hostname disabled: Name or service not known
The: ssh: Could not resolve hostname The: Name or service not known
will: ssh: Could not resolve hostname will: Name or service not known
VM: ssh: Could not resolve hostname VM: Name or service not known
try: ssh: Could not resolve hostname try: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
fix: ssh: Could not resolve hostname fix: Name or service not known
stack: ssh: Could not resolve hostname stack: Name or service not known
Server: ssh: Could not resolve hostname Server: Name or service not known
guard: ssh: Could not resolve hostname guard: Name or service not known
to: ssh: Could not resolve hostname to: Name or service not known
64-Bit: ssh: Could not resolve hostname 64-Bit: Name or service not known
you: ssh: Could not resolve hostname you: Name or service not known
highly: ssh: Could not resolve hostname highly: Name or service not known
-c: Unknown cipher type 'cd'
fix: ssh: Could not resolve hostname fix: Name or service not known
recommended: ssh: Could not resolve hostname recommended: Name or service not known
that: ssh: Could not resolve hostname that: Name or service not known
now.: ssh: Could not resolve hostname now.: Name or service not known
library: ssh: Could not resolve hostname library: Name or service not known
the: ssh: Could not resolve hostname the: Name or service not known
link: ssh: Could not resolve hostname link: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
or: ssh: Could not resolve hostname or: Name or service not known
noexecstack'.: ssh: Could not resolve hostname noexecstack'.: Name or service not known
with: ssh: Could not resolve hostname with: Name or service not known
The authenticity of host '0.0.0.0 (0.0.0.0)' can't be established.
RSA key fingerprint is fa:8e:e6:aa:3f:f9:f0:0b:48:6e:40:ca:c2:f1:02:21.
Are you sure you want to continue connecting (yes/no)? it: ssh: connect to host it port 22: Connection refused
HotSpot(TM): ssh: Could not resolve hostname HotSpot(TM): Name or service not known
warning:: ssh: Could not resolve hostname warning:: Name or service not known

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出现上述问题，之后谷歌了很久，大部分说是配置hosts的问题，检查之后没发现问题。

问题的原因是没有设置hadoop的native本地库。

解决方案：
输出native环境变量
export HADOOP_COMMON_LIB_NATIVE_DIR=/app/cloud/hadoop/hadoop-2.4.0/lib/native

参考
http://stackoverflow.com/questions/19943766/hadoop-unable-to-load-native-hadoop-library-for-your-platform-error-on-centos
http://stackoverflow.com/questions/19775808/messed-up-sed-syntactics-in-hadoop-startup-script-after-reinstalling-jvm
http://stackoverflow.com/questions/20011252/hadoop-2-2-0-64-bit-installing-but-cannot-start

原文地址：Hadoop2.x安装启动错误, 感谢原作者分享。