Error parsing data org.json.JSONException Value  of type java.lang.String
49
What is a NullPointerException, and how do I fix it?
131862
json parse error with double quotes
28386
Parsing JSON data with C#
47695
Parse JSON in C#
13711
java.lang.NullPointerException at org.glassfish.hk2.classmodel.reflect.impl.TypesImpl.getType
131678
Error setting expression 'spa.amount' with value '[Ljava.lang.String;@10dd65e' )
26158
Android: java.lang.IllegalArgumentException: Invalid payload item type
133508
JSON Parsing in Android
155490
parsing XML file gets UnicodeEncodeError (ElementTree) / ValueError (lxml)
40031
Python json.loads fails with `ValueError: Invalid control character at: line 1 column 33 (char 33)`
91078
Deserializing a string from JSON to DateTime in Apex yields "Invalid format" error
53319
ArgumentException or ArgumentNullException for string parameters?
35590
How to fix NullPointerException in Java?
119542
What does "Illegal assignment from Schema.SObjectField to String" mean?
28775
Unable to catch JsonMappingException
65689
getting exception while putting list data into the map
47475
Make SimpleDateFormat.parse() fail on invalid dates (e.g. month is greater than 12)