Conversion Error setting value '52' for 'null Converter'
65355
Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?
35590
How to fix NullPointerException in Java?
120428
Entering null characters in a string
22992
How to specify null value in MS Access through the JDBC-ODBC bridge?
144658
System.NullPointerException: Attempt to de-reference a null object ,sravn
120071
Checking for a null int value from a Java ResultSet
128142
java.lang.NullPointerException at org.apache.jsp.foo_jsp._jspInit(foo_jsp.java:22)
124471
Comparing nullable column values using "IS NULL" versus "= NULL"
123797
Not equal  != operator on NULL
41958
Java: why do I receive the error message "Type mismatch: cannot convert int to byte"
64200
Can Java's NullPointerException be changed to report on which variable was null?
48235
Setting Objects to Null/Nothing after use in .NET
93104
What is a NumberFormatException and how can I fix it?
138022
PreparedStatement setNull(..)
34172
How to parse a string into a nullable int
101146
Why can't I write Nullable>?
55830
What's the rationale for null terminated strings?