The Java exception thrown when an application attempts to use null in a case where an object is required.
I'm getting started with Spring DI, but I'm struggling with dependency injection and the worse part is that I'm not …
spring dependency-injection nullpointerexception jersey autowiredWhen i call findFragmentById() with the id of my fragment, it return null. Let me show you the code. The …
android android-fragments nullpointerexceptionI know I can find out if a variable is null in Java using these techniques: if (var==null) -&…
java debugging nullpointerexceptionI am facing a problem while debugging in Eclipse 3.4.2. I keep getting pop-up Exception processing async thread queue java.lang.…
eclipse nullpointerexceptionI've got a problem trying to add a SearchView widget to the ActionBar in my activity - I get a …
android nullpointerexception android-actionbar searchviewThis is a canonical question for a problem frequently posted on StackOverflow. I'm following a tutorial. I've created a new …
java android android-fragments nullpointerexceptionIs it possible to autoSizeColumns on a streaming SXSSFWorkbook? I implemented an export functionality to export a list of objects …
java nullpointerexception apache-poiLet's say I'd like to perform the following command: house.getFloor(0).getWall(WEST).getDoor().getDoorknob(); To avoid a NullPointerException, I'd …
java null nullpointerexceptionI've spent the past two hours debugging what seems extremely unlikely. I've stripped the method of a secondary Android Activity …
android string nullpointerexception long-integer string-parsingBoth Java and C#, and probably many other languages too, have a predefined exception class that is thrown when a …
c++ nullpointerexception