IllegalArgumentException on validation, length limit exceeded

Instead of IllegalArgument a JAXB- or ValidationException should be thrown.

java.lang.IllegalArgumentException: Length of 50 characters exceeded: ...Element content longer than 50 characters...
at de.sag.dms.custom.dialog.coredoc.impl.CoREDocTypeImpl$SGVarianteTypeImpl$DocumentTypeImpl$SegmentTypeImpl$FragmentTypeImpl.setFRAGNAME(CoREDocTypeImpl.java:560)
at de.sag.dms.custom.dialog.coredoc.impl.CoREDocTypeHandler$SGVarianteTypeHandler$DocumentTypeHandler$SegmentTypeHandler$FragmentTypeHandler.endElement(CoREDocTypeHandler.java:1120)
at org.apache.ws.jaxme.impl.JMUnmarshallerHandlerImpl.endElement(JMUnmarshallerHandlerImpl.java:258)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:200)
at org.apache.ws.jaxme.util.DOMSerializer.doSerializeChilds(DOMSerializer.java:75)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:199)
at org.apache.ws.jaxme.util.DOMSerializer.doSerializeChilds(DOMSerializer.java:75)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:199)
at org.apache.ws.jaxme.util.DOMSerializer.doSerializeChilds(DOMSerializer.java:75)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:199)
at org.apache.ws.jaxme.util.DOMSerializer.doSerializeChilds(DOMSerializer.java:75)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:199)
at org.apache.ws.jaxme.util.DOMSerializer.doSerializeChilds(DOMSerializer.java:75)
at org.apache.ws.jaxme.util.DOMSerializer.doSerialize(DOMSerializer.java:199)
at org.apache.ws.jaxme.util.DOMSerializer.serialize(DOMSerializer.java:148)
at org.apache.ws.jaxme.impl.JMUnmarshallerImpl.unmarshal(JMUnmarshallerImpl.java:111)