712: Implement error handling

Task-Url: https://minfba.de.dariah.eu/mantisbt/view.php?id=712

dariahsp-sample/src/main/resources/spring/security/security-context-local.xml

@@ -9,7 +9,7 @@
 	<import resource="security-context-common.xml"/>	
 
 	
-	<security:http disable-url-rewriting="true" auto-config="true" use-expressions="false" entry-point-ref="ajaxEntryPoint" access-decision-manager-ref="accessDecisionManager" >
+	<security:http disable-url-rewriting="true" auto-config="true" use-expressions="false" access-decision-manager-ref="accessDecisionManager" >
 		<security:csrf disabled="true"/>
 		<security:intercept-url pattern="/test/jumboFluid" requires-channel="http" access="IS_AUTHENTICATED_FULLY" />
 		
@@ -30,7 +30,7 @@
 		<security:request-cache ref="requestCache"/>
 	</security:http>
 	
-
+ 	<!-- Map only for ajax calls; how??? entry-point-ref="ajaxEntryPoint"  -->
   	<bean id="ajaxEntryPoint" class="org.springframework.security.web.authentication.Http403ForbiddenEntryPoint">
 	</bean>