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Spark Unable To Load Native-hadoop Library For Your Platform Mac

02.06.2020
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  1. Spark Unable To Load Native-hadoop Library For Your Platform Mac Free
  2. Mac Spark Unable To Load Native-hadoop Library For Your Platform

Sep 25, 2016  Note: You may encounter with the error, “WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform using builtin-java classes where applicable” if you don’t enter the second line as given above in hadoop-env.sh file. It is fairly simple to use the native hadoop libraries: Take a look at the supported platforms. Either download the pre-built 32-bit i386-Linux native hadoop libraries (available as part of hadoop distribution in lib/native directory) or build them yourself.; Make sure you have either or both of zlib-1.2 and lzo2.0 packages for your platform installed; depending on your needs.

If native libraries are not available the following message is displayed with every hadoop command: hadoop checknative

  • Clone hadoop source code

  • Checkout the version 2.7.1 source

  • Install required dependencies - OSX: use brew or any other package manager

  • Build project and native dependencies with maven

  • Copy newly created libraries to the hadoop installation

  • Add shell variables either to the ~/.bash_profile, or $HADOOP_INSTALL/etc/hadoop/hadoop-env.sh

Check if native libraries are available:

above rules do not cause bzip2 native libs to work in OSX.


Hadoop “Unable to load native-hadoop library for your platform” warning (14)

@zhutoulala -- FWIW your links worked for me with Hadoop 2.4.0 with one exception I had to tell maven not to build the javadocs. I also used the patch in the first link for 2.4.0 and it worked fine. Here's the maven command I had to issue

After building this and moving the libraries, don't forget to update hadoop-env.sh :)

Thought this might help someone who ran into the same roadblocks as me

I'm currently configuring hadoop on a server running CentOs. When I run start-dfs.sh or stop-dfs.sh, I get the following error:

WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform.. using builtin-java classes where applicable

I'm running Hadoop 2.2.0.

Doing a search online brought up this link: http://balanceandbreath.blogspot.ca/2013/01/utilnativecodeloader-unable-to-load.html

However, the contents of /native/ directory on hadoop 2.x appear to be different so I am not sure what to do.

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Spark Unable To Load Native-hadoop Library For Your Platform Mac Free

I've also added these two environment variables in hadoop-env.sh:

export HADOOP_OPTS='$HADOOP_OPTS -Djava.library.path=/usr/local/hadoop/lib/'

export HADOOP_COMMON_LIB_NATIVE_DIR='/usr/local/hadoop/lib/native/'

Any ideas?

After a continuous research as suggested by KotiI got resolved the issue.

Mac Spark Unable To Load Native-hadoop Library For Your Platform

Cheers