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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 Stack Overflow by James Little
, 2 years ago
via GitHub by VladUreche
, 2 years ago
key not found: type T
via GitHub by VladUreche
, 2 years ago
key not found: constructor Object
via GitHub by VladUreche
, 2 years ago
key not found: constructor Object
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