query: NullException is occurred in DbHelper
positive_passages.docid: 49
positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 77986
negative_passages.text: Handle DBNull in C#
negative_passages.docid: 82709
negative_passages.text: SQLException: Invalid Column Name...?
negative_passages.docid: 82642
negative_passages.text: Execution of AfterInsert caused by: System.StringException: Invalid id: () - where have I gone wrong?
negative_passages.docid: 20020
negative_passages.text: NullPointerException accessing views in onCreate()
negative_passages.docid: 93104
negative_passages.text: What is a NumberFormatException and how can I fix it?
negative_passages.docid: 2204
negative_passages.text: What Causes DatabaseTransactionOutOfOrderException and how do I fix this?
negative_passages.docid: 18757
negative_passages.text: System.UnexpectedException: No more than one executeBatch can be called from within a testmethod
negative_passages.docid: 136725
negative_passages.text: ResultSet.getString(1) throws java.sql.SQLException: Invalid operation at current cursor position
negative_passages.docid: 97401
negative_passages.text: Error while deleting record from database
negative_passages.docid: 68103
negative_passages.text: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints
negative_passages.docid: 73120
negative_passages.text: Nullpointerexception when trying to send data from activity to class
negative_passages.docid: 80631
negative_passages.text: NullPointerException but compiling?
negative_passages.docid: 73034
negative_passages.text: StringBuilder append() and null values
negative_passages.docid: 120314
negative_passages.text: SQLException: No suitable driver found
negative_passages.docid: 109156
negative_passages.text: SqlException from Entity Framework - New transaction is not allowed because there are other threads running in the session
negative_passages.docid: 9858
negative_passages.text: The infamous java.sql.SQLException: No suitable driver found