Hadoop “Unable to load native-hadoop library for your platform” error on docker-spark?
I am using docker-spark. After starting spark-shell, it outputs:
15/05/21 04:28:22 DEBUG NativeCodeLoader: Failed to load native-hadoop with error: java.lang.UnsatisfiedLinkError:no hadoop in java.library.path 15/05/21 04:28:22 DEBUG NativeCodeLoader: java.library.path=/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
The environment variables of this spark container are:
bash-4.1# export declare -x BOOTSTRAP="/etc/bootstrap.sh" declare -x HADOOP_COMMON_HOME="/usr/local/hadoop" declare -x HADOOP_CONF_DIR="/usr/local/hadoop/etc/hadoop" declare -x HADOOP_HDFS_HOME="/usr/local/hadoop" declare -x HADOOP_MAPRED_HOME="/usr/local/hadoop" declare -x HADOOP_PREFIX="/usr/local/hadoop" declare -x HADOOP_YARN_HOME="/usr/local/hadoop" declare -x HOME="/" declare -x HOSTNAME="sandbox" declare -x JAVA_HOME="/usr/java/default" declare -x OLDPWD declare -x PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/java/default/bin:/usr/local/spark/bin:/usr/local/hadoop/bin" declare -x PWD="/" declare -x SHLVL="3" declare -x SPARK_HOME="/usr/local/spark" declare -x SPARK_JAR="hdfs:///spark/spark-assembly-1.3.0-hadoop2.4.0.jar" declare -x TERM="xterm" declare -x YARN_CONF_DIR="/usr/local/hadoop/etc/hadoop"
After referring Hadoop “Unable to load native-hadoop library for your platform” error on CentOS, I have done the following:
(1) Check the hadoop library:
bash-4.1# file /usr/local/hadoop/lib/native/libhadoop.so.1.1.0 /usr/local/hadoop/lib/native/libhadoop.so.1.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, not stripped
Yes, it is 64-bit library.
(2) Try adding the HADOOP_OPTS environment variable:
export HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=/usr/local/hadoop/lib/native"
It doesn't work, and reports the same error.
(3) Try adding the HADOOP_OPTS and HADOOP_COMMON_LIB_NATIVE_DIR environment variable:
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"
It still doesn't work, and reports the same error.
Could anyone give some clues about the issue?
Answers
Adding the Hadoop library into LD_LIBRARY_PATH fix this problem:
export LD_LIBRARY_PATH="$HADOOP_HOME/lib/native/:$LD_LIBRARY_PATH"