| Exception Thrown By: | Cause | ||
| Framework | Class | Method | |
| Eclipse API | AbstractParameterValueConverter | public abstract String convertToString(Object parameterValue) | if a string reference or serialization cannot be provided for the parameterValue. |
| Apache Wicket | FormComponent | public void validate() | If input can't be converted. |
| Apache Wicket | Strings | public static Boolean toBoolean(String s) | when s is not a valid value |
| Apache Wicket | Strings | public static char toChar(String s) | when the string is longer or shorter than 1 character |
