com.vaadin.event.ListenerMethod$MethodException: Invocation of method valueChange in org.activiti.explorer.ui.task.TaskPage$1 failed.

activiti.org | 6 months ago
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    activiti.org | 6 months ago
    com.vaadin.event.ListenerMethod$MethodException: Invocation of method valueChange in org.activiti.explorer.ui.task.TaskPage$1 failed.
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.activiti.engine.impl.cmd.GetIdentityLinksForTaskCmd.execute()
    2. Activiti - Engine
      CommandContextInterceptor.execute
      1. org.activiti.engine.impl.cmd.GetIdentityLinksForTaskCmd.execute(GetIdentityLinksForTaskCmd.java:47)
      2. org.activiti.engine.impl.cmd.GetIdentityLinksForTaskCmd.execute(GetIdentityLinksForTaskCmd.java:31)
      3. org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
      4. org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:61)
      4 frames
    3. Activiti - Spring
      SpringTransactionInterceptor$1.doInTransaction
      1. org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
      1 frame
    4. Spring Tx
      TransactionTemplate.execute
      1. org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
      1 frame
    5. Activiti - Spring
      SpringTransactionInterceptor.execute
      1. org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
      1 frame
    6. Activiti - Engine
      TaskServiceImpl.getIdentityLinksForTask
      1. org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)
      2. org.activiti.engine.impl.TaskServiceImpl.getIdentityLinksForTask(TaskServiceImpl.java:154)
      2 frames
    7. Activiti - Explorer
      TaskInvolvedPeopleComponent.initUi
      1. org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initInvolvedPeople(TaskInvolvedPeopleComponent.java:183)
      2. org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.populatePeopleGrid(TaskInvolvedPeopleComponent.java:151)
      3. org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initPeopleGrid(TaskInvolvedPeopleComponent.java:145)
      4. org.activiti.explorer.ui.task.TaskInvolvedPeopleComponent.initUi(TaskInvolvedPeopleComponent.java:82)
      4 frames