query: java.lang.NullPointerException: Cannot invoke "java.sql.Connection.createStatement()" because "connection" is null
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 123990
negative_passages.text: Cannot issue data manipulation statements with executeQuery()
negative_passages.docid: 141129
negative_passages.text: InputStream returning NullPointerException (Java)
negative_passages.docid: 9858
negative_passages.text: The infamous java.sql.SQLException: No suitable driver found
negative_passages.docid: 43769
negative_passages.text: How do I Parameterize a null string with DBNull.Value clearly and quickly
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 157952
negative_passages.text: java.lang.ClassNotFoundException: org.hibernate.HibernateException
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 96954
negative_passages.text: JPA/Hibernate Static Metamodel Attributes not Populated -- NullPointerException
negative_passages.docid: 53797
negative_passages.text: mysqli prepared statements, insert NULL using bind params
negative_passages.docid: 101976
negative_passages.text: runtime error: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
negative_passages.docid: 38443
negative_passages.text: ExecuteReader requires an open and available Connection. The connection's current state is closed
negative_passages.docid: 79477
negative_passages.text: Why is "null" present in C# and Java?
negative_passages.docid: 89755
negative_passages.text: Why is "throw null" not creating a compilation error in Java?
negative_passages.docid: 77400
negative_passages.text: PHP/MySQL/PDO binding null parameter doesn't work
negative_passages.docid: 138618
negative_passages.text: How to resolve NullPointerException error in my below POM code?
negative_passages.docid: 151469
negative_passages.text: What is the difference between null and System.DBNull.Value?