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ODK Collect is an Android app for filling out forms. It's been used to collect billions of data points in challenging environments around the world. Contribute and make the world a better place! ✨📋✨
https://docs.getodk.org/collect-intro
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CannotCreateObjectException: DynamicPreloadExtra not instantiable during form loading #6447

Closed grzesiek2010 closed 1 month ago

grzesiek2010 commented 1 month ago

ODK Collect version

v2024.2.1 and newer versions

Problem description

While working on https://github.com/getodk/collect/issues/6446 I've noticed that many errors contain an additional exception:

W/null: org.javarosa.core.util.externalizable.CannotCreateObjectException: 
    org.odk.collect.android.dynamicpreload.DynamicPreloadExtra: not instantiable at 
    org.javarosa.core.util.externalizable.PrototypeFactory.getInstance(PrototypeFactory.java:130) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:182) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:177) at 
    org.javarosa.core.util.externalizable.ExtWrapExternalizable.readExternal(ExtWrapExternalizable.java:37) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:217) at 
    org.javarosa.core.util.externalizable.ExtWrapList.readExternal(ExtWrapList.java:80) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:217) at 
    org.javarosa.core.util.externalizable.ExternalizableExtras.readExternal(ExternalizableExtras.java:16) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:183) at 
    org.javarosa.core.util.externalizable.ExtUtil.read(ExtUtil.java:177) at 
    org.javarosa.core.model.FormDef.readExternal(FormDef.java:1045) at

Steps to reproduce the problem

I'm not able to reproduce the issue.