InputStream.available() generating Null pointer exception
49
What is a NullPointerException, and how do I fix it?
38443
ExecuteReader requires an open and available Connection. The connection's current state is closed
96453
Caught Throwable or Exception is null
38282
Connecting an input stream to an outputstream
480
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
69117
How to get an InputStream from a BufferedImage?
151188
Java Scanner with InputStream not working
79586
System.NullPointerException: Attempt to de-reference a null object
81518
Find out what variable is throwing a NullPointerException programmatically
8808
Strange Java null behavior in Method Overloading
53319
ArgumentException or ArgumentNullException for string parameters?
64200
Can Java's NullPointerException be changed to report on which variable was null?
68787
Why The constructor ArrayAdapter(new View.OnKeyListener(){}, int, String[]) is undefined
58054
When is it OK to catch NullPointerException?
137692
NullPointerException when working with arrays
40818
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
8738
Should a retrieval method return 'null' or throw an exception when it can't produce the return value?