Changed GROUP_ID_ column value in ACTIVITI_RU_IDENTITYLINK

[samratrcs]

I changed the GROUP_ID_ column value in ACTIVITI_RU_IDENTITYLINK value from PLCM to PLCM1 for tweaking a busimess logic. Now again when I am changing the group to PLCM the following error is coming while claiming a task.


Caused by: org.activiti.engine.ActivitiException: Cannot assign a groupId to a task assignment that already has a userId
        at org.activiti.engine.impl.persistence.entity.IdentityLinkEntity.setGroupId(IdentityLinkEntity.java:132)
        at sun.reflect.GeneratedMethodAccessor36945.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.apache.ibatis.reflection.invoker.MethodInvoker.invoke(MethodInvoker.java:37)
        at org.apache.ibatis.reflection.wrapper.BeanWrapper.setBeanProperty(Bean                                                                            Wrapper.java:169)
        … 445 more


Can you please help me with tjis. The system is live in production.

[martin_grofcik]

Hi,

you are referring to the following case
org.activiti.engine.test.api.task.TaskServiceTest#testClaimAlreadyClaimedTaskByOtherUser

(in activiti source)

regards
Martin

[samratrcs]

Hello Martin,

Thanks for the reply.
Can you please explain me the problem.
What can be the solution now?

Regards
Samrat

[martin_grofcik]

Hi,
use claim/unclaim. Already claimed task can not be claimed again


  /**
   * Claim responsibility for a task: the given user is made assignee for the task.
   * The difference with {@link #setAssignee(String, String)} is that here
   * a check is done if the task already has a user assigned to it.
   * No check is done whether the user is known by the identity component.
   * @param taskId task to claim, cannot be null.
   * @param userId user that claims the task. When userId is null the task is unclaimed,
   * assigned to no one.
   * @throws ActivitiObjectNotFoundException when the task doesn't exist.
   * @throws ActivitiTaskAlreadyClaimedException when the task is already claimed by another user.
   */
  void claim(String taskId, String userId);
 
  /**
   * A shortcut to {@link #claim} with null user in order to unclaim the task
   * @param taskId task to unclaim, cannot be null.
   * @throws ActivitiObjectNotFoundException when the task doesn't exist.
   */
  void unclaim(String taskId);


[samratrcs]

Hi Martin,

The task is not claimed. The Assignee_ column of the ACT_RU_TASK table is null.

Regards
Samrat

[martin_grofcik]

Can you create jUnit test?
http://forums.activiti.org/content/sticky-how-write-unit-test

Regards
Martin

[samratrcs]

Hello Martin,

A detailed log

Caused by: org.apache.ibatis.reflection.ReflectionException: Could not set property 'groupId' of 'class org.activiti.engine.impl.persistence.entity.IdentityLinkEntity' with value 'PLCM1' Cause: org.activiti.engine.ActivitiException: Cannot                                                                                         assign a groupId to a task assignment that already has a userId


The source of error is the following method.

public void completeTask(String taskId, Map<String, Object> decision) {
  taskService.complete(taskId, decision);
}

Regards
Samrat

[samratrcs]

The bpm file is attached
ACtiviti version : 5.13

[jbarrez]

Does the error still happen on the latest release? 5.13 is very old. Chances are it&#39;s already fixed in newer versions.