Avoiding null point exception in el in JSF
119142
JSF: h:outputText; how to show a dash when the value is empty string?
47331
JSF doesn't support cross-field validation, is there a workaround?
45896
p:commandButton action throws javax.el.PropertyNotFoundException
55274
Java: Exception itself is null
37988
System.NullPointerException: Attempt to de-reference a null object:
134320
Outcommented Facelets code still invokes EL expressions like #{bean.action()} and causes javax.el.PropertyNotFoundException on #{bean.action}
126341
Avoiding IF ELSE due to variable been NULL
104501
How do I enforce null checking?
22924
How to debug EntityMalformedException?
58054
When is it OK to catch NullPointerException?
96453
Caught Throwable or Exception is null
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
120318
How to access objects in EL expression language ${}
140738
Does setting Java objects to null do anything anymore?
134040
Serializing a Nullable in to XML
86605
Invoke direct methods or methods with arguments / variables / parameters in EL
120071
Checking for a null int value from a Java ResultSet