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encounter SqlTransactionRollbackException when complete a user task

Question asked by karedom on May 27, 2017
Latest reply on Jun 1, 2017 by ryandawson

Hello,

    i have encountered an exception 'SqlTransactionRollbackException' when i invoked the API 'taskService.complete(Strin taskId,map variables)' to complete a User Task frequently; The probability of encountering this exception is high to 40%.The User Task's property 'asynchronous' is set by 'false',and 'exclusive' is 'true'.  what problem cause this exception? deadlock? WHY ?

SqlTransactionRollbackException

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