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Fixed in 2021.1.X



Found in




Issue ID




Assertion failed on expression: 'res == EAGAIN || !HasAbortingErrors()' when importing files with long path

Asset - Database


Investigation of the issue revealed that asset db was trying to insert into lmdb database, with a key that was longer that supported length. The key was a file path.

Repro step:
1) Create empty project
2) Added asset which have a path that is longer than 511 bytes

Reproducible with: 2019.4.15f1, 2020.1.15f1, 2020.2.0b13, 2021.1.0a1

While investigating this problem another issue was discovered. Asset db refresh will never end, if a file/folder is close or at file/folder name limit - for such files/folders a meta can't be created. This limit is 255 bytes on all editor platforms.

  1. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.0a2, while the issue remains, because these are limitations of Windows file path system, we made the error handling better

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