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  1. ,

    Check if the field you try to read really exists in the database. If it is optional, just use com.mongodb.casbah.commons.MongoDBObject#getAs

Solutions on the web

via GitHub by newhoggy
, 1 year ago
key not found: Map(...)
via GitHub by newhoggy
, 1 year ago
key not found: Map(...)
via GitHub by zeph
, 2 years ago
key not found: partition
via GitHub by enshahar
, 1 year ago
key not found: mistress
via GitHub by breezer2020
, 2 years ago
key not found: of
via GitHub by laurayuwen
, 2 years ago
key not found: MetaVariable
java.util.NoSuchElementException: key not found: Map(...)	at scala.collection.MapLike$class.default(MapLike.scala:228)	at scala.collection.AbstractMap.default(Map.scala:59)	at scala.collection.MapLike$class.apply(MapLike.scala:141)	at scala.collection.AbstractMap.apply(Map.scala:59)	at monocle.Prism$$anon$7.reverseGet(Prism.scala:292)	at monocle.PPrism$$anonfun$modify$1$$anonfun$apply$4.apply(Prism.scala:55)	at scalaz.$bslash$div.fold(Either.scala:58)	at monocle.PPrism$$anonfun$modify$1.apply(Prism.scala:55)	at monocle.PPrism$$anonfun$modify$1$$anonfun$apply$4.apply(Prism.scala:55)	at scalaz.$bslash$div.fold(Either.scala:58)	at monocle.PPrism$$anonfun$modify$1.apply(Prism.scala:55)	at monocle.PLens$$anon$7$$anonfun$modify$1.apply(Lens.scala:239)	at monocle.PPrism$$anonfun$modify$1$$anonfun$apply$4.apply(Prism.scala:55)	at scalaz.$bslash$div.fold(Either.scala:58)	at monocle.PPrism$$anonfun$modify$1.apply(Prism.scala:55)	at monocle.PPrism$$anonfun$modify$1$$anonfun$apply$4.apply(Prism.scala:55)	at scalaz.$bslash$div.fold(Either.scala:58)	at monocle.PPrism$$anonfun$modify$1.apply(Prism.scala:55)	at monocle.PLens$$anon$7$$anonfun$modify$1.apply(Lens.scala:239)	at monocle.PPrism$$anonfun$modify$1$$anonfun$apply$4.apply(Prism.scala:55)	at scalaz.$bslash$div.fold(Either.scala:58)	at monocle.PPrism$$anonfun$modify$1.apply(Prism.scala:55)	at scala.Function1$$anonfun$andThen$1.apply(Function1.scala:52)	at scala.Function1$$anonfun$andThen$1.apply(Function1.scala:52)	at scala.Function1$$anonfun$andThen$1.apply(Function1.scala:52)	at scala.Function1$$anonfun$andThen$1.apply(Function1.scala:52)