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Update document keys must start with $: _id
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Update document keys must start with $: _id
java.lang.IllegalArgumentException: Update at com.mongodb.DBCollectionImpl$Run.executeUpdates(DBCollectionImpl.java:769) at com.mongodb.DBCollectionImpl$Run.execute(DBCollectionImpl.java:734) at com.mongodb.DBCollectionImpl.executeBulkWriteOperation(DBCollectionImpl.java:149) at com.mongodb.DBCollection.executeBulkWriteOperation(DBCollection.java:1737) at com.mongodb.DBCollection.executeBulkWriteOperation(DBCollection.java:1733) at com.mongodb.BulkWriteOperation.execute(BulkWriteOperation.java:93) at com.mongodb.casbah.BulkWriteOperation$$anonfun$1.apply(BulkWriteOperation.scala:71) at com.mongodb.casbah.BulkWriteOperation$$anonfun$1.apply(BulkWriteOperation.scala:71) at scala.util.Try$.apply(Try.scala:161) at com.mongodb.casbah.BulkWriteOperation.execute(BulkWriteOperation.scala:71)