Sbt not working in Itversity lab

[rajeshwaranb@gw01 ~]$ sbt console
[info] Set current project to rajeshwaranb (in build file:/home/rajeshwaranb/
)
[info] Compiling 1 Scala source and 4 Java sources to /home/rajeshwaranb/targ
et/scala-2.10/classes…
[error] /home/rajeshwaranb/QueryResult.java:7: error: package org.apache.had
oop.io does not exist
[error] import org.apache.hadoop.io.BytesWritable;
[error] ^
[error] /home/rajeshwaranb/QueryResult.java:8: error: package org.apache.had
oop.io does not exist
[error] import org.apache.hadoop.io.Text;
[error] ^
[error] /home/rajeshwaranb/QueryResult.java:9: error: package org.apache.had
oop.io does not exist
[error] import org.apache.hadoop.io.Writable;
[error] ^
[error] /home/rajeshwaranb/QueryResult.java:10: error: package org.apache.ha
doop.mapred.lib.db does not exist