RHadoop 執行錯誤

johnlee · **註冊時間:** 2014-05-12, 16:25 **文章:** 1

Sys.setenv(
HADOOP_HOME = '/usr/lib/hadoop',
HADOOP_CMD = '/usr/bin/hadoop',
HADOOP_CLASSPATH='$HADOOP_HOME/lib',
HADOOP_STREAMING = '$HADOOP_HOME/contrib/streaming/hadoop-streaming-1.2.0.1.3.0.0-107.jar')

library(rhdfs)
hdfs.init()

Error in .jnew("org/apache/hadoop/conf/Configuration") :
java.lang.NoClassDefFoundError: Could not initialize class org.apache.hadoop.conf.Configuration
In addition: Warning message:
running command '/usr/bin/hadoop classpath' had status 1

jazz · **註冊時間:** 2009-11-09, 19:52 **文章:** 2897

請問您執行的環境是？作業系統？Hadoop 版本？
從錯誤訊息看起來，R 無法正確呼叫 /usr/bin/hadoop classpath

johnlee 寫:

Sys.setenv(
HADOOP_HOME = '/usr/lib/hadoop',
HADOOP_CMD = '/usr/bin/hadoop',
HADOOP_CLASSPATH='$HADOOP_HOME/lib',
HADOOP_STREAMING = '$HADOOP_HOME/contrib/streaming/hadoop-streaming-1.2.0.1.3.0.0-107.jar')

library(rhdfs)
hdfs.init()

Error in .jnew("org/apache/hadoop/conf/Configuration") :
java.lang.NoClassDefFoundError: Could not initialize class org.apache.hadoop.conf.Configuration
In addition: Warning message:
running command '/usr/bin/hadoop classpath' had status 1

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RHadoop 執行錯誤

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