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Fixed
Fixed in 2022.2.9f1, 2023.1.0b6, 2023.2.0a4
Votes
4
Found in
2022.1.15f1
2022.2.0b6
2023.1.0a9
2023.2.0a1
Issue ID
UUM-13053
Regression
Yes
UGUI NullReferenceException when sprite.texture is null
Reproduction steps:
1. Open the attached project
2. Open Assets/Scene scene and press Play
3. Inspect the Console window
Expected result: No errors are thrown
Actual result: NullReferenceException is thrown
Reproducible with: 2022.1.0a7, 2022.1.15f1, 2022.2.0b6, 2023.1.0a9
Not reproducible with: 2020.3.38f1, 2021.3.9f1, 2022.1.0a6
Reproducible on: macOS 12.5
Full error:
_NullReferenceException: Object reference not set to an instance of an object_
_UnityEngine.UI.Image.set_sprite (UnityEngine.Sprite value) (at Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/Image.cs:306)_
_Script.Start () (at Assets/Script.cs:21)_
-
hippogames
Nov 09, 2022 16:05
The following code of UnityEngine.UI.Image is unsafe (line 288)
m_SkipMaterialUpdate = m_Sprite.texture == (value ? value.texture : null);
bool wasReadeable = !GraphicsFormatUtility.IsCrunchFormat(m_Sprite.texture.format) && m_Sprite.texture.isReadable;It may throw NRE when texture was destroyed previously because of m_Sprite.texture may be NULL (line 288), and in the next line you're accessing m_Sprite.texture.format and m_Sprite.texture.isReadable
The error has appeared after upgrading to Unity 2022 from 2021.
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Resolution Note (fix version 2023.2.0a4):
Setting a Sprite for an Image that had a Sprite with a null Texture assigned will not throw a NullReferenceException anymore.
Resolution Note (fix version 2023.1.0b6):
Setting a Sprite for an Image that had a Sprite with a null Texture assigned will not throw a NullReferenceException anymore.
Resolution Note (fix version 2022.2.9f1):
Setting a Sprite for an Image that had a Sprite with a null Texture assigned will not throw a NullReferenceException anymore.