The method returns null pointer exception the null pinter is from serialized objects, I couldn't figure out the error yet
49
What is a NullPointerException, and how do I fix it?
64200
Can Java's NullPointerException be changed to report on which variable was null?
87189
System.NullPointerException
73285
Null Pointer Exception in XMl Parsing
87728
ArgumentNullException or NullReferenceException from extension method?
132398
What is null in Java?
45869
Why null cast a parameter?
85964
Android: ClassNotFoundException when passing serializable object to Activity
134040
Serializing a Nullable in to XML
98227
Any alternative to calling getGraphics() which is returning null
65689
getting exception while putting list data into the map
28147
java: (String[])List.toArray() gives ClassCastException
79477
Why is "null" present in C# and Java?
101146
Why can't I write Nullable>?
6882
try catch exception always returns null
480
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
35016
java.lang.NullPointerException at org.primefaces.component.datatable.feature.FilterFeature.filter