Open Stack

hi i am deploying devstack dual node on vm's and i am facing
*database_connection_url_:
command not found*  error while running ./stack.sh on compute node.can
anybody help.
complete error is below.

2016-10-08 13:31:51.856 | +lib/glance:configure_glance:104           iniset
/etc/glance/glance-registry.conf DEFAULT debug True
2016-10-08 13:31:51.908 | +lib/glance:configure_glance:105           iniset
/etc/glance/glance-registry.conf DEFAULT bind_host 0.0.0.0
2016-10-08 13:31:51.969 | +lib/glance:configure_glance:106
inicomment /etc/glance/glance-registry.conf DEFAULT log_file
2016-10-08 13:31:52.016 | +lib/glance:configure_glance:107           local
dburl
2016-10-08 13:31:52.021 | ++lib/glance:configure_glance:108
database_connection_url glance
2016-10-08 13:31:52.026 | ++lib/database:database_connection_url:134  local
db=glance
2016-10-08 13:31:52.033 | ++lib/database:database_connection_url:135
 database_connection_url_ glance
2016-10-08 13:31:52.033 | /home/mehtasham-compute/devstack/lib/database:
line 135: database_connection_url_: command not found
2016-10-08 13:31:52.039 | +lib/glance:configure_glance:108           dburl=
2016-10-08 13:31:52.045 | +lib/glance:configure_glance:1
exit_trap
2016-10-08 13:31:52.050 | +./stack.sh:exit_trap:474                  local
r=127
2016-10-08 13:31:52.056 | ++./stack.sh:exit_trap:475                  jobs
-p
2016-10-08 13:31:52.060 | +./stack.sh:exit_trap:475                  jobs=
2016-10-08 13:31:52.065 | +./stack.sh:exit_trap:478                  [[ -n
'' ]]
2016-10-08 13:31:52.070 | +./stack.sh:exit_trap:484
 kill_spinner
2016-10-08 13:31:52.074 | +./stack.sh:kill_spinner:370               '['
'!' -z '' ']'
2016-10-08 13:31:52.080 | +./stack.sh:exit_trap:486                  [[ 127
-ne 0 ]]
2016-10-08 13:31:52.086 | +./stack.sh:exit_trap:487                  echo
'Error on exit'
2016-10-08 13:31:52.086 | Error on exit
2016-10-08 13:31:52.092 | +./stack.sh:exit_trap:488
 generate-subunit 1475932997 515 fail
2016-10-08 13:31:52.287 | +./stack.sh:exit_trap:489                  [[ -z
/opt/stack/logs ]]
2016-10-08 13:31:52.291 | +./stack.sh:exit_trap:492
 /home/mehtasham-compute/devstack/tools/worlddump.py -d /opt/stack/logs
2016-10-08 13:31:52.530 | +./stack.sh:exit_trap:498                  exit
127
mehtasham-compute at mehtashamcompute-virtual-machine:~/devstack$

Regards
Muhammad Ehtasham
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