EventBus/src/org/greenrobot/eventbus/util/ErrorDialogFragmentFactory.java
protected String getMessageFor(ThrowableFailureEvent event, Bundle arguments) {
        int msgResId = config.getMessageIdForThrowable(event.throwable);
        return config.resources.getString(msgResId);
    }
protected String getMessageFor(ThrowableFailureEvent event, Bundle arguments) {
        int msgResId = config.getMessageIdForThrowable(event.throwable);
        return config.resources.getString(msgResId);
    }
May be overridden to provide custom error messages.