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这篇文章主要介绍hadoop启动时报ssh错误怎么办，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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1）问题：
hadoop启动时，报ssh: Could not resolve hostname xxx: Name or service not known
2）错误信息：
[root[@master](https://my.oschina.net/u/48054) hadoop-2.2.0]# sbin/start-dfs.sh 17/08/06 13:08:59 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Starting namenodes on [Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /data/cloud/hadoop/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', or link it with '-z noexecstack'. master] sed: -e expression #1, char 6: unknown option to `s' library: ssh: Could not resolve hostname library: 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 have: ssh: Could not resolve hostname have: Name or service not known Server: ssh: Could not resolve hostname Server: Name or service not known 64-Bit: ssh: Could not resolve hostname 64-Bit: Name or service not known have: ssh: Could not resolve hostname have: Name or service not known disabled: ssh: Could not resolve hostname disabled: Name or service not known VM: ssh: Could not resolve hostname VM: Name or service not known to: ssh: Could not resolve hostname to: No address associated with hostname Java: ssh: Could not resolve hostname Java: No address associated with hostname which: ssh: Could not resolve hostname which: Name or service not known will: ssh: Could not resolve hostname will: Name or service not known might: ssh: Could not resolve hostname might: Name or service not known stack: ssh: Could not resolve hostname stack: Name or service not known The: ssh: Could not resolve hostname The: Name or service not known stack: ssh: Could not resolve hostname stack: Name or service not known guard.: ssh: Could not resolve hostname guard.: Name or service not known recommended: ssh: Could not resolve hostname recommended: Name or service not known guard: ssh: Could not resolve hostname guard: Name or service not known try: ssh: Could not resolve hostname try: Name or service not known fix: ssh: Could not resolve hostname fix: Name or service not known -c: Unknown cipher type 'cd' fix: ssh: Could not resolve hostname fix: Name or service not known the: ssh: Could not resolve hostname the: Name or service not known the: ssh: Could not resolve hostname the: Name or service not known with: ssh: Could not resolve hostname with: Name or service not known it: ssh: Could not resolve hostname it: No address associated with hostname with: ssh: Could not resolve hostname with: Name or service not known or: ssh: Could not resolve hostname or: Name or service not known The authenticity of host 'master (192.168.1.110)' can't be established. RSA key fingerprint is db:8e:ce:15:18:ad:9d:16:0e:88:98:0d:da:06:e4:18. Are you sure you want to continue connecting (yes/no)? that: ssh: Could not resolve hostname that: Name or service not known highly: ssh: Could not resolve hostname highly: Name or service not known library: ssh: Could not resolve hostname library: Name or service not known now.: ssh: Could not resolve hostname now.: No address associated with hostname You: ssh: Could not resolve hostname You: No address associated with hostname you: ssh: Could not resolve hostname you: No address associated with hostname link: ssh: Could not resolve hostname link: No address associated with hostname HotSpot(TM): ssh: Could not resolve hostname HotSpot(TM): Temporary failure in name resolution warning:: ssh: Could not resolve hostname warning:: Temporary failure in name resolution It's: ssh: Could not resolve hostname It's: Temporary failure in name resolution ',: ssh: Could not resolve hostname ',: Temporary failure in name resolution 'execstack: ssh: Could not resolve hostname 'execstack: Temporary failure in name resolution '-z: ssh: Could not resolve hostname '-z: Temporary failure in name resolution noexecstack'.: ssh: Could not resolve hostname noexecstack'.: Temporary failure in name resolution
3）解决方法：
在/etc/profile文件中添加： export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native export HADOOP_OPTS=-Djava.library.path=$HADOOP_HOME/lib 注意：是export HADOOP_OPTS=-Djava.library.path=$HADOOP_HOME/lib，而不是export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
以上是“hadoop启动时报ssh错误怎么办”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注创新互联行业资讯频道！
