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Money Task example, ActivitiUiUtil id error

Question asked by mark1 on Jan 10, 2013
Latest reply on Jan 11, 2013 by mark1

I'm new to Activiti and was trying out a couple of examples in the users guide.

I did successfully  create a simple workflow process using the Activiti Designer Eclipse plug-in and deployed it to the Activiti Explorer application.

When I tried to do the Money Task example I had a problem.

My current environment:

Activiti 5.11.1
Eclipse Juno
Activiti Designer Eclipse plug-in 5.11.1
    but in the POM it seems I have to specify 5.9.1

My Money Task compiles, and I can load it into a different Eclipse work space to try to use. The new Money Task shows up in the palette but when I try to add the task to a workflow it get errors. I can't actually add any tasks, because I always get the same error now.

    at org.activiti.designer.util.eclipse.ActivitiUiUtil.getNextId(
    at org.activiti.designer.features.AbstractCreateBPMNFeature.getNextId(
    at org.activiti.designer.features.AbstractCreateBPMNFeature.addObjectToContainer(
    at org.activiti.designer.features.AbstractCreateBPMNFeature.addObjectToContainer(
    at org.activiti.designer.features.CreateServiceTaskFeature.create(
    at org.eclipse.graphiti.features.impl.AbstractCreateFeature.execute(
    at org.eclipse.graphiti.internal.command.GenericFeatureCommandWithContext.execute(
    at org.eclipse.graphiti.internal.command.GFPreparableCommand.doExecute(
    at org.eclipse.emf.transaction.RecordingCommand.execute(
    at org.eclipse.graphiti.ui.internal.editor.GFWorkspaceCommandStackImpl.execute(
    at org.eclipse.emf.transaction.impl.AbstractTransactionalCommandStack.execute(
    at org.eclipse.graphiti.internal.command.CommandExec.executeCommand(
    at org.eclipse.graphiti.ui.internal.command.CreateModelObjectCommand.execute(
    at org.eclipse.graphiti.ui.internal.editor.EmfOnGefCommand.execute(