rsync error - error in rsync protocol data stream (code 12) at io.c(420)

[gg gg234]

Hi,

 When i try to run rsync command from command linne it is working
fine.Belowis the command

/usr/bin/rsync --compress \
               --verbose \
               --rsh=ssh \
               --times \
               --owner \
               --group \
               --ignore-times \
               --links \
               --perms \
               --recursive \
               --size-only \
               --delete \
               --force \
               --numeric-ids \
               --stats \
               /etc  \
               root at target_machine:/home/backup/thismachine/

when i try to use shell script for this

#! /bin/bash

 /usr/bin/rsync --compress \
               --verbose \
               --rsh=ssh \
               --times \
               --owner \
               --group \
               --ignore-times \
               --links \
               --perms \
               --recursive \
               --size-only \
               --delete \
               --force \
               --numeric-ids \
               --stats \
               /etc  \
               root at target_machine:/home/backup/thismachine/


I am getting the following error

ssh: connect to host x.x.x.x port 22: No route to host
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(420)

this is related to ssh i believe.But when i try to use from the command
prompt it is working without any problem through ssh

Please some one help me how to fix this error in shell script.Because i want
to schedule this from cron

Thanks for your time
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