Can't use rhdfs package..

[#1]

I am using SparkR with Zeppelin.

I want to write files on HDFS. So i installed rhdfs package.

But error occured when i use hdfs.file() function.

Error in fs$open(.jnew("org.apache.hadoop.fs.Path", path[1]), as.integer(buffersize)): attempt to apply non-function

Help me plz....