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  1. Nuxeo Platform
  2. NXP-32211

Fix possible ConcurrentModificationException in DocumentValidation service

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2023.7, 2021.49
    • Component/s: Core

      Description

      Seen in production:

      java.util.ConcurrentModificationException: null
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1511) ~[?:?]
	at java.util.HashMap$ValueIterator.next(HashMap.java:1539) ~[?:?]
	at org.nuxeo.ecm.core.api.validation.DocumentValidationServiceImpl.validate(DocumentValidationServiceImpl.java:122) ~[nuxeo-core-api-2021.45.8.jar:?]
	at org.nuxeo.ecm.core.api.AbstractSession.saveDocument(AbstractSession.java:1744) ~[nuxeo-core-2021.45.8.jar:?]
	at

      This means that we are modifying the data models values in the loop,
      using an iterator will allow item removal but we don't know which kind of update is done on the list.

         for (DataModel dataModel : document.getDataModels().values()) {
      // code is updating the document.getDataModels() generating the exception on the next value

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. NXP-32210 Fix possible ConcurrentModificationException in makeBlob computation

          • Major - Major loss of function.
          • Resolved

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                • Created:
                  Updated:
                  Resolved: