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Not Reproducible

Not Reproducible in 2.1.X

Votes

1

Found in [Package]

1.21.20

2.1.0

Issue ID

ADDR-3685

Regression

No

"NullReferenceException" error is thrown when building Addressables with excluded groups after domain reload

Package: Addressables

-

Reproduction steps:
1. Open the “ReproProject“ project
2. Open the “Assets/Scenes/SampleScene“ scene
3. Open the Addressables Groups window
4. Expand the “ExcludedGroup“ and the “IncludedGroup“ groups
5. Collapse the “ExcludedGroup“ and the “IncludedGroup“ groups
6. Reload domain (Tools > Reload Domain)
7. Build the Addressables (Build > New Build > Custom Build Script) in the Addressables Groups window
8. Observe the Console window

Expected result: No errors are thrown in the Console window
Actual result: “NullReferenceException: Object reference not set to an instance of an object“ error is thrown in the Console window

Reproducible with: 1.20.5 (2021.3.38f1), 1.21.20 (2021.3.38f1, 2022.3.28f1, 2023.3.0a15), 2.1.0 (6000.0.2f1)

Reproducible on: Windows 11 Pro (22H2)
Not reproducible on: No other environment tested

  1. Resolution Note:

    Cannot reproduce on latest 1.x or 2.x versions.

  2. Resolution Note (2.1.X):

    Cannot reproduce on latest 1.x or 2.x versions.

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Comments (3)

  1. Zaddo

    May 24, 2025 21:31

    I get this problem on 2.2.2. A workaround is to close all scenes and have an empty scene with no cameras. Also close the scene and game tabs. Then build addressables.

    For me the issue has something to do with URP post processing stack. I can also avoid this problem by turning off post processing and removing all render features. I suspect the issue is caused by SSAO.

  2. Ylisar

    Nov 06, 2024 19:49

    This does happen on 1.19.19, which I believe is the latest if you're unity 2021 LTS. The issue is related to this line:

    if (loc.IsFolder && loc.SubAssets.Count > 0)

    It's inside SetAssetEntriesBundleFileIdToCatalogEntryBundleFileId line 593 in 1.19.19. The problem is that loc.SubAssets is not guaranteed to not be null. You can check https://discussions.unity.com/t/in-75879-random-failures-when-building-addressables/946651/6 for more discussion on this, but this bug is still in.

  3. Ylisar

    Oct 04, 2024 20:45

    Overall it would be nice if even if there's no time to fix issues at least give us error messages which can help us track down what's wrong.

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