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First make sure that the file 'libjvm.so' is installed on your system:
sudo find / -mount -name "libjvm*"
If it shows up as being installed on the system, most likely it is missing from your 'LD_LIBRARY_PATH' variable(see next bullet point).
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Add the 'libjvm.so' file found on your system to 'LD_LIBRARY_PATH':
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/<path/to>/libjvm.so
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You may also need to set the environment variables 'HADOOP_HOME' and 'HADOOP_VERSION' on your system:
These variables should be set as follows(for example):
HADOOP_HOME=/usr/lib/hadoop/client-0.20
HADOOP_VERSION=2.0.0-cdh4.4.0
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Also ensure that the file '/etc/profile.d/Revolution/bash_profile_additions' exists on all of the nodes of your cluster and has been sourced.
