Matt Bishop created FELIX-5269:
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             Summary: ConfigAdmin Web Console plugin does not display 
ConfigurationException messages from DS methods
                 Key: FELIX-5269
                 URL: https://issues.apache.org/jira/browse/FELIX-5269
             Project: Felix
          Issue Type: Bug
          Components: Configuration Admin
    Affects Versions: configadmin-1.8.8
         Environment: Declarative Services with Metatype annotations
            Reporter: Matt Bishop
            Priority: Minor


A bit of setup:

1. A Component has methods annotated with DS @Activate/@Modified and takes an 
@interface-style configuration object. Looks like this:

{{@Modified public void modified(MyConfig config) throws ConfigurationException 
{
    if (messedUp(config.thing())) {
        throw new ConfigurationException("thing", "thing is messed up.");
    }
    //carry on with configuration
} }}

2. User opens up Config Admin web console and sees a nice UI to edit 'thing' 
field for this component. They edit the field in a way that will trigger the 
ConfigurationException and then 'save' the config.

Expected:
  Web Console UI shows a failure message, and possibly highlights 'thing' to 
direct attention to the offending field.

Actual:
  Nothing really. Web Console looks like the config is saved.

One note, the exception is logged out. 



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