[jboss-dev-forums] [Design the new POJO MicroContainer] - Handling contexts in error

[alesj]

We should put more info out when users try to manage contexts that are in Error state.
Since currently the only way to do a re-try on that context is to do uninstall/re-install.
Users might try this

  |          KernelControllerContext context = getControllerContext("Name1", null);
  |          assertEquals(ControllerState.ERROR, context.getState());
  |          checkThrowable(ClassNotFoundException.class, context.getError());
  | 
  |          // a hacky fix, but the point is to get the error away :-)
  |          AbstractBeanMetaData bmd = (AbstractBeanMetaData)context.getBeanMetaData();
  |          bmd.setBean(Object.class.getName());
  | 
  |          // we suspect the error was resolved, let's try to install
  |          change(context, ControllerState.INSTALLED);
  | 
  |          assertEquals(ControllerState.INSTALLED, context.getState());
  | 
which looks legit, but the thing is that the context would not be even touched - the code only tries to push non-error contexts.

We could enable the push from Error or just add some more info that this is not what the user should do.

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