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  1. camunda BPM
  2. CAM-14272

Unable to submit Camunda Form if the process instance contains an object variable with data > 4000 characters

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    Description

      Environment (Required on creation):

      Camunda Platform 7.16

      Description (Required on creation; please attach any relevant screenshots, stacktraces, log files, etc. to the ticket):

      If a process instance has an object variable > 4000 characters (whether stored using JSON or Java serialization), trying to submit the task via Tasklist using a Camunda Form generates an error like:

      Value too long for column "TEXT_ VARCHAR(4000)

      Or:

      Data truncation: Data too long for column 'TEXT_'

      Even if the variable in question is not included on the Camunda Form.

      Steps to reproduce (Required on creation):

      Github repo using JSON serialization: https://github.com/jaggaer-c-hzakalus/camunda-form-question
      Github repo using Java serialization: https://github.com/daniel-ewing/camunda-form-question/tree/serialize-java

      1. Obtain the project code.
      2. Run the project.
      3. Login to Tasklist at localhost:5555 admin/admin.
      4. Try to complete the task.

      Observed Behavior (Required on creation):

      Tasklist generates an error like:

      An error happened while submitting the task form :
      Cannot submit task form 7369a288-6e7e-11ec-9270-005056c00008: An exception occurred in the persistence layer. Please check the server logs for a detailed message and the entire exception stack trace.
      

      Expected behavior (Required on creation):

      The task should submit correctly.

      Root Cause (Required on prioritization):

      Solution Ideas (Optional):

      Hints (optional):

      mgm-controller-panel

        This is the controller panel for Smart Panels app

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              hariharan.parasuraman Hariharan Parasuraman
              daniel.ewing Daniel Ewing
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                Created:
                Updated:
                Resolved:

                Salesforce