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https://issues.apache.org/jira/browse/HDFS-7975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo Nicholas Sze resolved HDFS-7975.
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Resolution: Invalid
This seems an issue in local environment but not a bug. Resolving as invalid.
sajid, for your question, you may want to ask it in the hadoop user mailing
lists.
> Warnings When Starting hadoop
> -----------------------------
>
> Key: HDFS-7975
> URL: https://issues.apache.org/jira/browse/HDFS-7975
> Project: Hadoop HDFS
> Issue Type: Bug
> Environment: Ubuntu 14.04 LTS
> Reporter: sajid mohammed
>
> When i am starting hadoop getting some warnings
> how to ramove them ?/
> hduser@sajid:~$ start-all.sh
> This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
> 15/03/23 20:06:59 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> Starting namenodes on [localhost]
> localhost: starting namenode, logging to
> /usr/local/hadoop/logs/hadoop-hduser-namenode-sajid.out
> localhost: starting datanode, logging to
> /usr/local/hadoop/logs/hadoop-hduser-datanode-sajid.out
> Starting secondary namenodes [0.0.0.0]
> 0.0.0.0: starting secondarynamenode, logging to
> /usr/local/hadoop/logs/hadoop-hduser-secondarynamenode-sajid.out
> 15/03/23 20:07:16 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> starting yarn daemons
> starting resourcemanager, logging to
> /usr/local/hadoop/logs/yarn-hduser-resourcemanager-sajid.out
> Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library
> /usr/local/hadoop/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'.
> localhost: starting nodemanager, logging to
> /usr/local/hadoop/logs/yarn-hduser-nodemanager-sajid.out
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