Hi all,
this is less about scala itself, but rather about Proguard issue I have.
I am using json4s JSON library and getting a weird exception while trying
to de-serialize one of my objects.
Could not find method scala.collection.immutable.Set.hashCode, referenced
from method org.json4s.JsonAST$JObject.hashCode
VFY: unable to resolve interface method 43131:
Lscala/collection/immutable/Set;.hashCode ()I
I tried to play with Proguard settings without any luck:
-keep class scala.collection.immutable.ListSet { *; }
-keep class * extends scala.collection.AbstractSet { *; }
-keep interface scala.collection.immutable.** { *; }
This line causes an
exception
https://github.com/json4s/json4s/blob/master/ast/src/main/scala/org/json4s/JsonAST.scala#L211
Any ideas how to include a proper Set type into Proguard config?
thanks,
Andrei
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