Error: "Failed to instantiate [ch.qos.logback.classic.LoggerContext]"

[stoefln]

What is the issue or idea you have?
I launch the kotlin version of minicap on an Android 29 AVD (rooted) via this command :

CLASSPATH=/data/local/tmp/minicap/minicap-kotlin2.apk /system/bin/app_process /system/bin io.devicefarmer.minicap.Main -Q 60 -P 800x1280@800x1280/0

...but I get following error:

Failed to instantiate [ch.qos.logback.classic.LoggerContext]
Reported exception:
java.lang.ArrayIndexOutOfBoundsException: length=0; index=0
	at android.os.Environment.getExternalStorageState(Environment.java:1026)
	at ch.qos.logback.core.android.AndroidContextUtil.getMountedExternalStorageDirectoryPath(Unknown Source:0)
	at ch.qos.logback.core.android.AndroidContextUtil.setupProperties(Unknown Source:14)
	at ch.qos.logback.classic.util.ContextInitializer.autoConfig(Unknown Source:12)
	at org.slf4j.impl.StaticLoggerBinder.init(Unknown Source:7)
	at org.slf4j.impl.StaticLoggerBinder.<clinit>(Unknown Source:20)
	at org.slf4j.impl.StaticLoggerBinder.getSingleton(Unknown Source:0)
	at org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)
	at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)
	at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:417)
	at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:362)
	at io.devicefarmer.minicap.provider.BaseProvider.<clinit>(BaseProvider.kt:44)
	at io.devicefarmer.minicap.Main$Companion.main(Main.kt:62)
	at io.devicefarmer.minicap.Main.main(Unknown Source:2)
	at com.android.internal.os.RuntimeInit.nativeFinishInit(Native Method)
	at com.android.internal.os.RuntimeInit.main(RuntimeInit.java:338)
PID: 7862
INFO: 800x1280@800x1280/0

Have you tried STF?
Have not tried it in STF.

It seems minicap is started anyway, but this error is breaking my toolchain... Any ideas of what's going on?

[stoefln]

Also filed a bug here: tony19/logback-android#315