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openni_tracker has problem opening database/parameter File

asked 2013-02-21 16:01:45 -0500

rhololkeolke gravatar image

updated 2016-10-24 09:09:05 -0500

ngrennan gravatar image

I'm trying to use the openni_launch and openni_tracker packages. I made a package called kinect_hmi and a launch file which launches both the openni_launch file and openni_track. When I tested this previously I could view he PointCloud2 data and the tf data in RVIZ. However, today when I started up the code I get the following error.

Error opening database/parameters file.

The point cloud data still shows up in RVIZ, but the skeleton tracking does not seem to be working. I tried starting roscore, openni_launch, and openni_tracker separately to see if my launch file was the problem but it didn't help. I have no idea why it isn't working all of the sudden.

Just in case here is my launch file

  <include file="$(find kinect_hmi)/launch/camera_topics.launch" />
  <node pkg="tf" type="static_transform_publisher" name="depth_to_camera_broadcaster" args="0 0 0 0 0 0 camera_link openni_depth_frame 100" />
  <node name="openni_tracker" pkg="openni_tracker" type="openni_tracker" respawn="true"/>

The camera topics launch file is the following

  <include file="$(find openni_launch)/launch/openni.launch" />

I thought maybe that the parameter server wasn't running so I tried the rosparam list command. However, the command returns a long list of things so I'm assuming that the parameter server is running.

My question is: Why is this happening and how do I fix it?

Thanks in advance

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Have you tried reinstalling the openni package? Maybe you can just start again.

Josch gravatar imageJosch ( 2013-03-04 19:48:52 -0500 )edit

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answered 2013-03-15 00:16:39 -0500

PNowak gravatar image

Hello. I have same problem, but i managed to fix it. Problem is in primesense library. Some file don't have privileges. U need go to:


and set privileges to folder Data. I did it through nautilus and my problem was fixed.

Hope it will help you too.

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The system I'm developing on is erased each reboot. Unfortunately I rebooted before I could test this solution, but because rebooting (which would reset all file permissions to when they were working) fixed the problem I'm accepting this answer as correct.

rhololkeolke gravatar imagerhololkeolke ( 2013-03-20 23:56:50 -0500 )edit

This answer fixed my error. Strange, I've been using the NITE packages for a long time, and I've never seen this error before. I wonder what caused it?

jarvisschultz gravatar imagejarvisschultz ( 2015-11-06 06:44:02 -0500 )edit

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Asked: 2013-02-21 16:01:45 -0500

Seen: 573 times

Last updated: Mar 15 '13