previous post - RHadoop installation issues
working with RHadoop
Error
hdfs.ls("/tamil")
Error in .jcall("java/lang/Class", "Ljava/lang/Class;", "forName", cl, :
No running JVM detected. Maybe .jinit() would help.
Error in .jfindClass(as.character(class)) :
No running JVM detected. Maybe .jinit() would help.
Solution
hdfs.init()
hdfs.ls("/")
Error
hdfs.init()
sh: 1: /media/bdalab/bdalab/sw/hadoop-2.7.1/bin: Permission denied
Error in .jnew("org/apache/hadoop/conf/Configuration") :
java.lang.ClassNotFoundException
In addition: Warning message:
running command '/media/bdalab/bdalab/sw/hadoop-2.7.1/bin classpath' had status 126
Solution
Sys.setenv(HADOOP_CMD='/hadoop-2.7.1/bin/hadoop')
Sys.setenv(JAVA_HOME='/jdk1.8.0_60/')
to know the environment varibale
Sys.getenv("HADOOP_CMD")
hdfs.init()
No comments:
Post a Comment