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  1. Java Driver
  2. JAVA-794

Java driver fails to detect fields with dots (.) under certain circumstances

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Critical - P2
    • Resolution: Duplicate
    • Affects Version/s: 2.9.2, 2.10.1
    • Fix Version/s: None
    • Component/s: API
    • Labels:
      None
    • Environment:
      $ java -version
      java version "1.6.0_43"
      Java(TM) SE Runtime Environment (build 1.6.0_43-b01-447-10M4203)
      Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01-447, mixed mode)

      Description

      Using the java driver (I tried 2.9.2 and 2.10.1), I am able to create a document with field names with dots (.) in them.

      Document:

      {
        "_document_" : {
          "subdoc1" : {
            "subdoc2" : [
              {
                "field.with.dots" : {}
              }
            ]
          }
        }
      }

      (note I've stripped out some other fields which I believe are irrelevant to this bug, but let me know if this example does not reproduce for you)

      If, however, I try to create this document from the Mongo shell, it properly detects the field with dots and returns an error:

      > db.dots.insert({"_document_":{"field1_1":{"field1_1_1":[{"field.with.dots":{}}]}}})
      Wed Mar 27 13:01:05 uncaught exception: can't have . in field names [field.with.dots]

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                • Created:
                  Updated:
                  Resolved: