[jira] [Created] (DATALAB-2096) [Provisioning]: Get rid of warning during SSN creation

["Vira Vitanska (Jira)" <ji...@apache.org>]

Vira Vitanska created DATALAB-2096:
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             Summary: [Provisioning]: Get rid of warning during SSN creation
                 Key: DATALAB-2096
                 URL: https://issues.apache.org/jira/browse/DATALAB-2096
             Project: Apache DataLab
          Issue Type: Task
          Components: DataLab Main
            Reporter: Vira Vitanska
            Assignee: Oleg Fuks


*Preconditions:*
 1. SSN is created

*Steps to reproduce:*
 1. Go to provisioning log

Actual result:
 1. The warning appears:
{code:java}
WARN  Can not deserialize file handler from file: /opt/datalab/handlers/DockerFileHandlerCallback_451f1db6-3970-4013-bcaf-f289789a8772.json ! com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `com.epam.datalab.backendapi.core.FileHandlerCallback` (no Creators, like default construct, exist): abstract types either need to be mapped to concrete types, have custom deserializer, or contain additional type information ! at [Source: (File); line: 1, column: 77] (through reference chain: com.epam.datalab.backendapi.core.response.handlers.PersistentFileHandler["handler"])
{code}
Expected result:



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