struts validator not working
Hi i was just trying to use struts validator in my application. when i submit my login page without filling username and password i m not getting the error displayed on jsp page. after sumission it it just coming back to login page itself. On server I am getting an error message. please anybody can help me out.
thanks -- sony
Error on server
18:01:37,093 ERROR [ValidatorForm] org.apache.struts.validator.FieldChecks.valid
ateRequired(java.lang.Object, org.apache.commons.validator.ValidatorAction, org.
apache.commons.validator.Field, org.apache.struts.action.ActionErrors, javax.ser
vlet.http.HttpServletRequest)
org.apache.commons.validator.ValidatorException: org.apache.struts.validator.Fie
ldChecks.validateRequired(java.lang.Object, org.apache.commons.validator.Validat
orAction, org.apache.commons.validator.Field, org.apache.struts.action.ActionErr
ors, javax.servlet.http.HttpServletRequest)
at org.apache.commons.validator.ValidatorAction.loadValidationMethod(Val
idatorAction.java:627)
at org.apache.commons.validator.ValidatorAction.executeValidationMethod(
ValidatorAction.java:557)
at org.apache.commons.validator.Field.validateForRule(Field.java:827)
at org.apache.commons.validator.Field.validate(Field.java:906)
at org.apache.commons.validator.Form.validate(Form.java:174)
at org.apache.commons.validator.Validator.validate(Validator.java:367)
at org.apache.struts.validator.ValidatorForm.validate(ValidatorForm.java
:110)
at org.apache.struts.action.RequestProcessor.processValidate(RequestProc
essor.java:927)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja
va:204)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:119
6)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFi
lter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(Securit
yAssociationValve.java:175)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValv
e.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.jboss.web.tomcat.tc5.jca.CachedConnectionValve.invoke(CachedConne
ctionValve.java:156)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p
rocessConnection(Http11BaseProtocol.java:664)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWor
kerThread.java:112)
at java.lang.Thread.run(Thread.java:595)
I m using **** struts 1.2.8 and commons-validator 1.1.4
validator-rules.xml
<!DOCTYPE form-validation PUBLIC
"-//Apache Software Foundation//DTD Commons Validator Rules Configuration 1.0//EN"
"http://jakarta.apache.org/commons/dtds/validator_1_1.dtd">
<form-validation>
<global>
<validator name="required"
classname="org.apache.struts.validator.FieldChecks"
method="validateRequired"
methodParams="java.lang.Object,
org.apache.commons.validator.ValidatorAction,
org.apache.commons.validator.Field,
org.apache.struts.action.ActionErrors,
javax.servlet.http.HttpServletRequest"
msg="errors.required">
<javascript><![CDATA[
function validateRequired(form) {
var isValid = true;
var focusField = null;
var i = 0;
var fields = new Array();
oRequired = new required();
for (x in oRequired) {
var field = form[oRequired[x][0]];
if (field.type == 'text' ||
field.type == 'textarea' ||
field.type == 'file' ||
field.type == 'select-one' ||
field.type == 'radio' ||
field.type == 'password') {
var value = '';
// get field's value
if (field.type == "select-one") {
var si = field.selectedIndex;
if (si >= 0) {
value = field.options[si].value;
}
} else {
value = field.value;
}
if (trim(value).length == 0) {
if (i == 0) {
focusField = field;
}
fields[i++] = oRequired[x][1];
isValid = false;
}
}
}
if (fields.length > 0) {
focusField.focus();
alert(fields.join('\n'));
}
return isValid;
}
// Trim whitespace from left and right sides of s.
function trim(s) {
return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
}
]]>
</javascript>
</validator>
</global>
</form-validation>
login.jsp
<%@ include file="/jsp/header.jsp" %>
<html>
<head>
<link rel="stylesheet" type="text/css" href="css/rentacarUI.css" />
<div class="grokheader"><bean:message key="login.label.title" /></div>
<hr>
<html:errors/>
</head>
<body>
<div class="outer">
<html:form action="loginSave" focus="userName" >
<div class="loginheader"><bean:message key="login.label.login" /></div>
<div class="loginbox">
<table>
</logic:messagesPresent>
<tr>
<td><bean:message key="login.label.username" /></td>
<td><html:text property="userName"/></td>
</tr>
<tr>
<td><bean:message key="login.label.password" /></td>
<td><html:password property="password"/></td>
</tr>
</table>
</div>
<center><html:submit><bean:message key="login.label.submit" /></html:submit></center>
</html:form>
</div>
<div class="footer"></div>
</body>
</html>
<hr>
LoginForm
public class LoginForm extends ValidatorForm {
private String userName="";
private String password="";
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
}
please give me some clue about what will be the cause for this error.........
:)
