Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int org.json.JSONArray.length()' on a null object reference
49
What is a NullPointerException, and how do I fix it?
98080
Android: Cannot invoke toString() on the primitive type int
19989
Apex JSON.serialize() with null values (RELOADED)
79477
Why is "null" present in C# and Java?
35129
Why does String.valueOf(null) throw a NullPointerException?
73285
Null Pointer Exception in XMl Parsing
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
289
What is a NullReferenceException, and how do I fix it?
40950
Java7 ClassFormatError: Illegal local variable table length while creating the object
42612
Generics, arrays, and the ClassCastException
79586
System.NullPointerException: Attempt to de-reference a null object
119968
Difference between JSONObject and JSONArray
5052
RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
149666
Why can't a null-reference exception name the object that has a null reference?
104399
Catching java.lang.OutOfMemoryError?
85964
Android: ClassNotFoundException when passing serializable object to Activity
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined