hi im keep gettin this error mgs when using inpustSuggestAjax: ERROR org.apache.myfaces.lifecycle.PhaseListenerManager - Exception in PhaseListener APPLY_REQUEST_VALUES(2) beforePhase. java.lang.NullPointerException: null values not allowed at org.apache.commons.collections.map.AbstractReferenceMap. put(AbstractReferenceMap.java:251) at org.apache.myfaces.application.jsp. JspStateManagerImpl$SerializedViewCollection.add(JspStateManagerImpl. java:717) at org.apache.myfaces.application.jsp.JspStateManagerImpl. saveSerializedViewInServletSession(JspStateManagerImpl.java:493) . . . here is my jsp: here is my backingbean: public class DocumentSearchBean implements Serializable { private String code = ""; public List getCodesSuggestion(String prefix, Integer max){ List result = new ArrayList(); for (int i = 0; i < max; i++) { result.add(prefix + "_" + i); } return result; } public String getCode() {return code;} public void setCode(String code) {this.code = code;} } what am i do wrong? ---------------------------------------------------- Czy naprawdę chciałbyś być na naszym miejscu? Kampania Parkingowa: http://klik.wp.pl/?adr=http%3A%2F%2Fadv.reklama.wp.pl%2Fas%2Fd19.html&sid=883