well, now I figure out what happen... I need to close and open the diagrams to be able to select a profile...
But something strange is occurring...:
When I opened a diagram, changed the profile being used by it and close it. Then all other closed diagram will use the last profile selected by the other diagram and not the last one used by that diagram...
and now I'm getting this error when I select a new profile in the opened diagram palette:
java.lang.IllegalStateException: Preference node "org.eclipse.bpmn2.modeler.core" has been removed.
at org.eclipse.core.internal.preferences.EclipsePreferences.checkRemoved(EclipsePreferences.java:200)
at org.eclipse.core.internal.preferences.EclipsePreferences.keys(EclipsePreferences.java:711)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences$PreferencesHelper.keyExists(Bpmn2Preferences.java:1469)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences$PreferencesHelper.<init>(Bpmn2Preferences.java:1413)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences.get(Bpmn2Preferences.java:1504)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences.cache(Bpmn2Preferences.java:410)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences.reload(Bpmn2Preferences.java:404)
at org.eclipse.bpmn2.modeler.ui.editor.BPMN2Editor.preferenceChange(BPMN2Editor.java:1209)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences$2.run(Bpmn2Preferences.java:1314)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences.firePreferenceEvent(Bpmn2Preferences.java:1317)
at org.eclipse.bpmn2.modeler.core.preferences.Bpmn2Preferences.setDefaultToolProfile(Bpmn2Preferences.java:598)
at org.eclipse.bpmn2.modeler.ui.diagram.BPMNToolBehaviorProvider$ProfileSelectionToolEntry.createTool(BPMNToolBehaviorProvider.java:134)
at org.eclipse.gef.EditDomain.handlePaletteToolChanged(EditDomain.java:152)
at org.eclipse.gef.EditDomain.access$0(EditDomain.java:147)
at org.eclipse.gef.EditDomain$1.activeToolChanged(EditDomain.java:52)
at org.eclipse.gef.ui.palette.PaletteViewer.fireModeChanged(PaletteViewer.java:178)
at org.eclipse.gef.ui.palette.PaletteViewer.setActiveTool(PaletteViewer.java:409)
at org.eclipse.gef.internal.ui.palette.editparts.ToolEntryEditPart$2.actionPerformed(ToolEntryEditPart.java:392)
at org.eclipse.draw2d.Clickable.fireActionPerformed(Clickable.java:206)
at org.eclipse.draw2d.Clickable$1.actionPerformed(Clickable.java:175)
at org.eclipse.draw2d.ButtonModel.fireActionPerformed(ButtonModel.java:140)
at org.eclipse.draw2d.ToggleModel.fireActionPerformed(ToggleModel.java:27)
at org.eclipse.draw2d.ButtonModel$DefaultFiringBehavior.released(ButtonModel.java:506)
at org.eclipse.draw2d.ButtonModel.fireReleased(ButtonModel.java:179)
at org.eclipse.draw2d.ButtonModel.setPressed(ButtonModel.java:466)
at org.eclipse.gef.internal.ui.palette.editparts.ToolEntryEditPart$OtherToggleButtonTracker.handleButtonUp(ToolEntryEditPart.java:176)
at org.eclipse.gef.tools.AbstractTool.mouseUp(AbstractTool.java:1200)
at org.eclipse.gef.tools.SelectionTool.mouseUp(SelectionTool.java:574)
at org.eclipse.gef.EditDomain.mouseUp(EditDomain.java:301)
at org.eclipse.gef.ui.parts.DomainEventDispatcher.dispatchMouseReleased(DomainEventDispatcher.java:380)
at org.eclipse.draw2d.LightweightSystem$EventHandler.mouseUp(LightweightSystem.java:548)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:220)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4166)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1466)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1489)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1474)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1279)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4012)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3651)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:138)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:610)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:1450)