When launching gazebo no GUI overlay apears, and 'undefined symbol' error is printed in terminal

asked 2018-06-17 06:47:24 -0500

arturs
11 ●1 ●2 ●3

Hi. I followed GUI overlay tutorial "Display Simulation Time". When launching Gazebo no GUI overlay appears, and following error is printed in the terminal:

[Err] [Plugin.hh:180] Failed to load plugin /.../ libgui_example_time_widget.so: undefined symbol: _ZN5QTest18lastMouseTimestampE [Err] [RenderWidget.cc:311] Unable to create gui overlay plugin with filename[libgui_example_time_widget.so]

The other tutorial "Spawn spheres" results in similar error

I am using Gazebo 9.0.0 Ubuntu 18.04 LTS Qt version 5.9.5

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This is a known issue on Gazebo 9 + 18.04: https://bitbucket.org/osrf/gazebo/issues/2541/gui-plugins-failed-to-load

chapulina ( 2018-12-04 14:56:44 -0500 )edit

This issue is apparently not publicly visible :/

deb0ch ( 2020-05-13 05:33:16 -0500 )edit

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answered 2018-07-19 01:26:40 -0500

arturs
11 ●1 ●2 ●3

I installed Ubuntu 16.04 LTS, and now this problem is gone, GUI overlays works as expected.

Now there is this weird behavior in model editor, when resizing shapes (In previous setup with ubuntu 18.04 it worked just fine ), but since i don't need to use model editor, it's not a problem.

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answered 2018-12-13 07:18:30 -0500

jordan
1 ●1 ●2 ●1

Hi guys,

I am working with gazebo 9 on Ubuntu 16.04. I have just installed it through this command: curl -sSL http://get.gazebosim.org | sh

I have tried both of your solutions and none of them is working for me.

Do you have an idea how to fix this issue ?

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answered 2018-12-04 22:24:30 -0500

chapulina
7504 ●2 ●23 ●54 https://louise.world/

Here's a pull request fixing Gazebo's built-in plugins:

https://bitbucket.org/osrf/gazebo/pul...

For custom plugins, the quickest solution is to add ${Qt5Test_LIBRARIES} to the link libraries, or to remove #include <gazebo/gui/gui.hh> and include specific headers instead.

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When launching gazebo no GUI overlay apears, and 'undefined symbol' error is printed in terminal

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When launching gazebo no GUI overlay apears, and 'undefined symbol' error is printed in terminal