Database Corrupt Error when Fingerprint Scanned Multiple Times about keepass2android HOT 10 CLOSED

thanks for your report. Does this produce a message only or is the file really corrupted? Can you please try if you can reproduce this is if you disable App settings -> file handling -> database pre-loading?

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What happens is the database is loaded twice (which you can see as the loading message goes from parsing to loading, then back to parsing to loading). The database is duplicated in memory. Once it realizes it has duplicate UUIDs loaded, like it should, it gives the corrupted error.

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Could you please collect a logcat of this? Or alternatively maybe create a file /mnt/sdcard/keepass2android.log and reproduce the issue?

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I created the file but the app did not write to it and I can't provide a logcat. For testing, you should set encryption rounds high enough so that it's still parsing when you scan the second time. What happens is it tries loading the database twice at the same time. Best way to fix is by simply disabling the fingerprint scanner when it unlocks (including when the password is manually entered).

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I can confirm this error but I think there is an easy way to avoid it: When unlocking the database with fingerprint, keypass automatically loads and opens the database, no need to tap unlock. However, when I tap unlock, the error appears.
This way, I was able to open the database three times without issues.

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I never tap Unlock. I always get the error from just scanning my fingerprint multiple times before the database finishes unlocking.

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That I find hard to reproduce. On my device, if I hold my finger on the sensor until the database is fully loaded, is closes again, telling me the composite key is invalid and disables fingerprint unlock. To avoid your issue, you could try touching the sensor only for a split second.

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I don't hold it. I tap it twice.

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if you cannot collect a logcat, please try to run the latest version from the beta channel and enable logging in the app settings.

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I reproduced this a couple of times on my OnePlus 3T running Oreo by tapping the fingerprint scanner multiple times. Sorry for the huge file. logcat2.log

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