Retrive all tasks list when process instance is completed

[pankaj kumar]

Hello,

I need to retrieve all tasks for the process instance which is already completed. I am able to get those when process instance is active but not once completed. we want to populate completed process instance detailed history.I am using below Rest urls but works only for active instance:

/server/queries/tasks/instances/process/{processInstanceId}     --- status query parameter is available, but works only for active instances.

/server/containers/{containerId}/processes/instances/{processInstanceId}/workitems

Is there any other way by which i can retrieve completed process instance information(process variables, tasks details etc.)as a history?

If anybody in the community has come across similar requirement then how did he achieve that?

Thanks,

Pankaj K.

[Donato Marrazzo]

check the query apis

/server/queries/containers/{containerId}/process/instances

Otherwise you can create custom queries.

[pankaj kumar]

Thanks Donato for your reply!

I found /server/queries/definitions/{queryName}/filtered-data API which returns all tasks after process completion as well.

Below is the output from swagger ui:

{
  "task-instance": [
    {
      "task-id": 103,
      "task-priority": 0,
      "task-name": "Task1",
      "task-subject": null,
      "task-description": "",
      "task-type": null,
      "task-form": null,
      "task-status": "Completed",
      "task-actual-owner": "bcadmin",
      "task-created-by": "bcadmin",
      "task-created-on": {
        "java.util.Date": 1559108197153
      },
      "task-activation-time": {
        "java.util.Date": 1559108197153
      },
      "task-expiration-time": null,
      "task-skippable": null,
      "task-workitem-id": null,
      "task-process-instance-id": 21,
      "task-parent-id": null,
      "task-process-id": "TestProject.sample",
      "task-container-id": "TestProject_1.0.0-SNAPSHOT",
      "task-pot-owners": null,
      "task-excl-owners": null,
      "task-business-admins": null,
      "task-input-data": null,
      "task-output-data": null
    }
  ]
}

But when i am using above api using "kie-server-client-7.12.0.Final.jar", it doesn't return full response JSON. Below is the code snippet i am using.

       

        String queryName = "jbpmHumanTasks";
        String mapper = "UserTasks";
       
        TaskQueryFilterSpec filterSpec = new TaskQueryFilterSpecBuilder().equalsTo(TaskField.PROCESSINSTANCEID, processInstanceId).get();
        List<TaskInstance> query = queryClient.query(queryName, mapper, filterSpec, page, pageSize, TaskInstance.class);

Output:

[TaskInstance{id=103, name='Task1', description='', status='Completed', actualOwner='XXXX', processInstanceId=21, processId='TestProject.sample', containerId='TestProject_1.0.0-SNAPSHOT'}, TaskInstance{id=104, name='Task2', description='', status='Completed', actualOwner='XXXX', processInstanceId=21, processId='TestProject.sample', containerId='TestProject_1.0.0-SNAPSHOT'}]

In both the cases, same end point url is being called, but response json is different.

Is there any switch to enable full response? or am i missing any parameter?

Thanks,

Pankaj K.

[Donato Marrazzo]

Hello,

sorry for the late reply.

From my experience, it perform exactly the same request and get back the same results.

Maybe, you are tricked by the serialization of query that skip the null values.

In order to get a full dump of the REST payload you can enable the debug.

Create this file src/main/resources/logback.xml

With this content:

<?xml version="1.0" encoding="UTF-8"?>

<configuration>

<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">

<encoder>

<pattern>%d [%t] %-5p %m%n</pattern>

</encoder>

</appender>

<!-- To override the debug log level from the command line, use the VM option "-Dlogback.level.org.optaplanner=trace" -->

<logger name="org.kie" level="debug"/>

<root level="info">

<appender-ref ref="consoleAppender" />

</root>

</configuration>

Make sure that you have these dependencies:

        <!-- Logging -->

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>slf4j-api</artifactId>

        </dependency>

        <dependency>

            <groupId>ch.qos.logback</groupId>

            <artifactId>logback-classic</artifactId>

            <scope>runtime</scope>

        </dependency>

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[Pankaj Kumar]

Thank you for your response. Yes, it was Jackson configuration. I fixed the issue by right configuration.

Thanks,

Pankaj K,

--

Best Regards,

Pankaj Kumar

[Gracy Tirupathi]

Does anybody knows the API in jbpm to retrieve variables data for a completed process , and also for a child process which is also completed