Restore Stack Traces in jetty

[arjo129]

Environment

• OS Version: Ubuntu 24.04
• Source: main

Description

We used to generate stack traces in older versions of gazebo using backward.cpp. These are crucial for debugging end user problems and save us developers a lot of time. In jetty it seems like we are not linking against backward correctly as I am getting a segfault without stack traces.

Steps to reproduce

1. Run any bug that will segfault gazebo.

Output

[iche033]

I think it needs #2812 to be merged?

[arjo129]

Nope. That needs to be merged for tests. This is happening when I call gz sim. Although, you are right that I need to fix the conflict there.

[arjo129]

https://github.com/gazebosim/gz-sim/pull/2849/files#diff-b015f79ecbc65c367765bef669120629ddcc069576b2854009b494b0aa085d60

I think it has to do with this PR. We need to link backward to the gz sim executable.

[iche033]

https://github.com/gazebosim/gz-sim/pull/2849/files#diff-b015f79ecbc65c367765bef669120629ddcc069576b2854009b494b0aa085d60

I think it has to do with this PR. We need to link backward to the gz sim executable.

cc @j-rivero

[j-rivero]

@arjo129 were the stack traces previously working on Jetty for the gz binaries? I don't see any reference in the standalone PR nor I remember that we have added it.

Anyway, @arjo129 could you test the branch https://github.com/gazebosim/gz-sim/tree/jrivero/backwards_standalone . I'm waiting to #2910 before creating the PR since it builds on top.

[arjo129]

Addressed by #2919