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[Merged by Bors] - add a more helpful error to help debug panicking command on despawned entity #5198

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[Merged by Bors] - add a more helpful error to help debug panicking command on despawned entity #5198

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mockersf
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@mockersf mockersf commented Jul 4, 2022

Objective

  • Help users fix issue when their app panic when executing a command on a despawned entity

Solution

  • Add an error code and a page describing how to debug the issue

alice-i-cecile
alice-i-cecile approved these changes Jul 4, 2022
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This is a good approach; it's nice to collect this information in a unified place.

@alice-i-cecile alice-i-cecile added A-ECS Entities, components, systems, and events A-Diagnostics Logging, crash handling, error reporting and performance analysis labels Jul 4, 2022
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@bevyengine/docs-team brief review please :)

@alice-i-cecile alice-i-cecile added the S-Ready-For-Final-Review This PR has been approved by the community. It's ready for a maintainer to consider merging it label Jul 4, 2022
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Nilirad commented Jul 5, 2022

I didn't test it but I think the example shouldn't panic since commands are applied at a Stage boundary, so the entity will despawn after use_entity.

At a closer look it will actually panic, because there are DefaultPlugins, then there is no need to involve system ordering.

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LGTM, but the example and the following text could be improved. See my comment above.

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mockersf commented Jul 5, 2022

I didn't test it but I think the example shouldn't panic since commands are applied at a Stage boundary, so the entity will despawn after use_entity.

At a closer look it will actually panic, because there are DefaultPlugins, then there is no need to involve system ordering.

Well I tried the example, and it always panic with the specified ordering, randomly without ordering, and never if I replace the after with before

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bors r+

bors bot pushed a commit that referenced this pull request Jul 5, 2022
@mockersf
add a more helpful error to help debug panicking command on despawned…
8f75a4d 
… entity (#5198)

# Objective

- Help users fix issue when their app panic when executing a command on a despawned entity

## Solution

- Add an error code and a page describing how to debug the issue
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bors bot commented Jul 5, 2022

Build failed:

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mockersf commented Jul 5, 2022

timeout in cache step on iOS...

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mockersf commented Jul 5, 2022

bors retry

bors bot pushed a commit that referenced this pull request Jul 5, 2022
@mockersf
add a more helpful error to help debug panicking command on despawned…
f73987a 
… entity (#5198)

# Objective

- Help users fix issue when their app panic when executing a command on a despawned entity

## Solution

- Add an error code and a page describing how to debug the issue
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bors bot commented Jul 5, 2022

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title add a more helpful error to help debug panicking command on despawned entity [Merged by Bors] - add a more helpful error to help debug panicking command on despawned entity Jul 5, 2022
@bors bors bot closed this Jul 5, 2022
inodentry pushed a commit to IyesGames/bevy that referenced this pull request Aug 8, 2022
@mockersf @inodentry
add a more helpful error to help debug panicking command on despawned…
c0c60e8 
… entity (bevyengine#5198)

# Objective

- Help users fix issue when their app panic when executing a command on a despawned entity

## Solution

- Add an error code and a page describing how to debug the issue
james7132 pushed a commit to james7132/bevy that referenced this pull request Oct 28, 2022
@mockersf @james7132
add a more helpful error to help debug panicking command on despawned…
ecd1910 
… entity (bevyengine#5198)

# Objective

- Help users fix issue when their app panic when executing a command on a despawned entity

## Solution

- Add an error code and a page describing how to debug the issue
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
@mockersf @ItsDoot
add a more helpful error to help debug panicking command on despawned…
6fb6b05 
… entity (bevyengine#5198)

# Objective

- Help users fix issue when their app panic when executing a command on a despawned entity

## Solution

- Add an error code and a page describing how to debug the issue
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@alice-i-cecile alice-i-cecile alice-i-cecile approved these changes

@IceSentry IceSentry IceSentry approved these changes

@Nilirad Nilirad Nilirad approved these changes

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