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  1. Nuxeo Elements
  2. ELEMENTS-901

nuxeo-file element nullifies the values if no edit in a workflow

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Not A Bug
    • Affects Version/s: 2.2.0
    • Fix Version/s: None
    • Component/s: Routing
    • Backlog priority:
      700
    • Upgrade notes:
      Hide

      Following NXP-25598, you need to add the following contribution to make it work for 9.10:

      <?xml version="1.0"?>
      
      <component name="org.fox.blob">
      
      	<require>org.nuxeo.ecm.core.automation.core.properties</require>
      	  <extension point="configuration" target="org.nuxeo.runtime.ConfigurationService">
      	  <property name="nuxeo.automation.object.blob.decoder.enabled">true</property>
      	</extension>
      
      </component>
      
      Show
      Following NXP-25598 , you need to add the following contribution to make it work for 9.10: <?xml version= "1.0" ?> <component name= "org.fox.blob" > <require>org.nuxeo.ecm.core.automation.core.properties</require> <extension point= "configuration" target= "org.nuxeo.runtime.ConfigurationService" > <property name= "nuxeo.automation.object.blob.decoder.enabled" > true </property> </extension> </component>
    • Sprint:
      nxGang Sprint 11.1.6
    • Story Points:
      3

      Description

      Following to ELEMENTS-748, it is now possible to attach a file to a workflow.
      It is possible to read the file in a following task.

      But it does not work if more than 2 tasks.

      For instance, the following 3 tasks scenario shows the issue:

      1. create a workflow with 3 tasks
      2. add a workflow variable
      3. make it available and editable in each of them
      4. set assignee to administrators group
      5. start nuxeo
      6. sync the project
      7. create a document
      8. start the workflow
      9. attach a file (task 1)
      10. approve the task
      11. observe the following traffic in Google Inspector:
        2: {entity-type: "task", id: "b1aae882-1aae-435e-9be7-d4940cc2b751", name: "ApproveB",…}
        actors: [{entity-type: "group", groupname: "administrators", grouplabel: "Administrators group",…}]
        comments: []
        created: "2019-03-18T10:41:40.618Z"
        delegatedActors: []
        directive: "Acknowledgement"
        dueDate: "2019-03-18T10:41:40.615Z"
        entity-type: "task"
        graphResource: "http://localhost:8080/nuxeo/api/v1/workflow/ef24afbe-ce44-49da-ad9b-37f734b82f82/graph"
        id: "b1aae882-1aae-435e-9be7-d4940cc2b751"
        name: "ApproveB"
        nodeName: "testWkfBlob-20190318111151123-approve-task"
        state: "opened"
        targetDocumentIds: [{entity-type: "document", repository: "default", uid: "26b7ae70-01c0-4cc0-a8a2-1d8f6eae5397",…}]
        taskInfo: {allowTaskReassignment: false, taskActions: [{name: "approve",…}],…}
        variables: {myBlob: {name: "algo_webui.txt", mime-type: "text/plain", encoding: null, digestAlgorithm: "MD5",…}}
        myBlob: {name: "algo_webui.txt", mime-type: "text/plain", encoding: null, digestAlgorithm: "MD5",…}
        data: "http://localhost:8080/nuxeo/nxfile/default/ef24afbe-ce44-49da-ad9b-37f734b82f82/var_testWkfBlob:myBlob/algo_webui.txt"
        digest: "94818c31fce8fef9e83fb0a7ff939d2c"
        digestAlgorithm: "MD5"
        encoding: null
        length: "623"
        mime-type: "text/plain"
        name: "algo_webui.txt"
        workflowInitiator: "Administrator"
        workflowInstanceId: "ef24afbe-ce44-49da-ad9b-37f734b82f82"
        workflowLifeCycleState: "running"
        workflowModelName: "testWkfBlob"
        workflowTitle: "testWkfBlob"
        
      12. in task 2, observe the file if correctly displayed
      13. approve the task
      14. observe the following traffic in Google Inspector:
        2: {entity-type: "task", id: "ffbc1b73-02a5-4967-a750-40ab0c260148", name: "ApproveC",…}
        actors: [{entity-type: "group", groupname: "administrators", grouplabel: "Administrators group",…}]
        comments: []
        created: "2019-03-18T10:44:59.500Z"
        delegatedActors: []
        directive: "Acknowledgement"
        dueDate: "2019-03-18T10:44:59.498Z"
        entity-type: "task"
        graphResource: "http://localhost:8080/nuxeo/api/v1/workflow/ef24afbe-ce44-49da-ad9b-37f734b82f82/graph"
        id: "ffbc1b73-02a5-4967-a750-40ab0c260148"
        name: "ApproveC"
        nodeName: "testWkfBlob-20190318112514074-approve-task"
        state: "opened"
        targetDocumentIds: [{entity-type: "document", repository: "default", uid: "26b7ae70-01c0-4cc0-a8a2-1d8f6eae5397",…}]
        taskInfo: {allowTaskReassignment: false, taskActions: [{name: "approve",…}],…}
        variables: {myBlob: null}
        myBlob: null
        workflowInitiator: "Administrator"
        workflowInstanceId: "ef24afbe-ce44-49da-ad9b-37f734b82f82"
        workflowLifeCycleState: "running"
        workflowModelName: "testWkfBlob"
        workflowTitle: "testWkfBlob"
        
      15. observe the myBlob variable value is now null
      16. in task 3, observe the attached file does not appear any longer

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