Top "El" questions

EL (Expression Language) enables the dynamic resolution of Java objects and methods in JSP and Facelets pages.

Executing the ActionListener of a (Primefaces) menu item leads to an IllegalStateException

In JSF backed bean I got an IllegalStateException when the programmatically added action listener of a programmatically added Primefaces menu …

jsf el primefaces javabeans actionlistener
javax.el.PropertyNotFoundException: The class 'xxx' does not have a readable property 'yyy'

I've the below session scoped CDI managed bean: @Named @SessionScoped public class RegisterController implements Serializable { private static final long serialVersionUID = 1…

jsf el managed-bean propertynotfoundexception
JSF 2.2 interpret empty string submitted values as null not working

I have migrated from Java EE 6 to Java EE 7, and now with JSF 2.2 the context param INTERPRET_EMPTY_STRING_SUBMITTED_…

jsf el jsf-2.2 java-ee-7
How to create an array in JSF EL?

I want create an array in JSF EL. How can I do that? Is it even possible? To illustrate what …

jsp jsf el
Exact difference and relation between JSTL and Expression Language

After reading the Q&A How to avoid Java code in JSP files? I stopped coding with scriptlets. So …

java jsp jakarta-ee jstl el
java.lang.NoSuchMethodError: javax.el.ELResolver.invoke(Ljavax/el/ELContext;Ljava/lang/Object;Ljava/lang/Object; when using maven tomcat plugin

i was running my JSF 2 application from external tomcat 6 from eclipse and everything was working fine but when i tried …

jakarta-ee tomcat el maven-tomcat-plugin
How to evaluate a scriptlet variable in EL?

I was wondering if there was anyway of using JSP in <c:if> statement. E.g. <c:…

jsp scope el scriptlet
h:selectOneMenu with boolean items doesn't work with null value

I'm working with JSF 2.0, JBoss 7.1.1 Final and I have following problem with selectOneMenu. I want to be able to set …

jsf-2 boolean el selectonemenu
String concatenation in EL for dynamic ResourceBundle key

I have a resource bundle with entries like these: entry1=value1 entry2=value2 entry3=value3 In my JSF page I'm …

jsf internationalization el string-concatenation resourcebundle
Comparing string and boolean in Expression language

I have this behaviour I do not really understand ${someVar} ${someVar.class.name} ${someVar == 'error'} outputs false java.lang.Boolean …

java jsp weblogic el