Table 4 Selected cases from the experiments
From: Testing data-centric services using poor quality data: from relational to NoSQL document databases
Ref | Root exception triggered | Location | Last mutation | External behavior |
|---|---|---|---|---|
A | NullPointerException | Application | changeToOppositeCase (AppR) changeToNull (AppN) | TemplateModelException reported to the user (AppR). An internal error is reported to the user (AppN). |
B | ClassNotFoundException | Application | addExtraneous | No message displayed to the user |
C | PSQLException | Application | replaceBySQLString | Application error message disclosing table row contents |
D | StringIndexOutOfBoundsException | JPA middleware | replaceByEmptyString | Application error message stating String index out of range |
E | ArrayIndexOutOfBoundsException | JDBC driver (AppR); application (AppN) | addCharactersToString (AppR), All cases except for changeToNull and changeToLongString (AppN). | No message displayed to the user An internal error is reported to the user (AppN) |
F | MongoWriteException (key too large to index) | Application | changeToLongString | An internal error is reported to the user (AppN) |
G | MongoWriteException (duplicate key error collection) | Application | All cases except for changeToLongString | An internal error is reported to the user (AppN) |
H | MongoWriteException (modifiers operate on fields but we found type null instead) | Application | changeToNull | An internal error is reported to the user (AppN) |