JSF 2.0 "Conversion Error setting value 'courseID' for 'null Converter'.!!How can I avoid this kinda error?
65355
Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?
104404
Migrating from JSF 1.2 to JSF 2.0
32065
Attempt to de-reference a null object: Trigger
107042
How to send form input values and invoke a method in JSF bean
10184
Altering a column: null to not null
115884
How to make a field NULL using MySQL GUI Tools?
88920
Is using NULL references OK?
35590
How to fix NullPointerException in Java?
29271
*.xhtml url-pattern causes java.lang.NullPointerException at com.sun.faces.context.flash.ELFlash.loggingGetPhaseMapForReading
24887
java.lang.NullPointerException at javax.faces.webapp.UIComponentClassicTagBase.setJspId
57891
Integrate JavaScript in JSF composite component, the clean way
35016
java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter
122829
Deploying a JSF webapp results in java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config
24517
MVC Spring Implementation - error: java.lang.NullPointerException
38136
How to use JSF generated HTML element ID with colon ":" in CSS selectors?
93656
java.lang.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/faces/webapp/FacesServlet
87728
ArgumentNullException or NullReferenceException from extension method?