null pointer error

[beyaRecords - The home Urban music]

hi,

i am getting a null pointer error when trying to validate a form. I 
have 2 definition files 1 to validate a login form and the other to 
validate the user input.

1 My map actions is as follows:

		<map:actions>
			<map:action name="char-counter" src="test.CharCounterAction"/>
			<map:action name="session-validator" 
src="org.apache.cocoon.acting.SessionValidatorAction" />
			<map:action name="session-invalidator" 
src="org.apache.cocoon.acting.SessionInvalidatorAction" />
			<map:action name="authenticator" 
src="org.apache.cocoon.acting.DatabaseAuthenticatorAction" />
			<map:action name="validator" logger="sitemap.Action.validator" 
src="org.apache.cocoon.acting.FormValidatorAction" />
			<map:action name="request" logger="sitemap.Action.request" 
src="org.apache.cocoon.acting.RequestParamAction" />
		</map:actions>

2. My login definition file is:

<root>
        <parameter name="user" typr="string" max-len="20" nullable="no" />
        <parameter name="pass" typr="string" max-len="20" nullable="no" />
        
        <constraint-set name="add">
                <validate name="user" />
                <validate name="pass" />
        </constraint-set>
</root>
3. My database definition file is:

<auth-descriptor>
	<connection>postgresql</connection>
	<table name="usertbl">
		<select dbcol="username" request-param="user" to-session="user" />
		<select dbcol="userpassword" request-param="pass" 
to-session="password" />
	</table>
</auth-descriptor>

4. My pipe is:

			<map:match pattern="login">
				<map:act type="validator">
				<map:parameter name="descriptor" 
value="context://beyarecords/content/def/login-def.xml"/>
				<map:parameter name="validate-set" value="add" />
				
					<map:act type="authenticator">
					<!-- Ok, login details are being checked. If they exist we get 
logged into system -->
						<map:parameter name="descriptor" 
value="context://beyarecords/content/def/auth-def.xml"/>
						<map:redirect-to uri="support/home"/>
					</map:act>
					
				</map:act>
				
				<!-- if not we get redirected back to the login page -->
				<map:redirect-to uri="login.html" />
			</map:match>

5. And my html form is:

		<form action="login" method="post">
		
			<table>
			<tr>
				<td align="right">User:</td>
				<td align="left"><input type="text" name="user" /></td>
			</tr>
			<tr>
				<td align="right">Password:</td>
				<td align="left"><input type="text" name="pass" /></td>
			</tr>
			<tr>
				<td colspan="2" align="center"><input type="submit" value="login" 
/></td>
			</tr>
			</table>
		</form>

What am I doing wrong here?

regards

Uzo

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