Detailed information about defect clone:

08-C0.H0.M1.L0_S_S_12.war

Nickname of the defect

displayed-off-by-one-number

Brief desctiption

A number of Participants in My Exam Dates is incremented everywhere.

How to activate the defect

Click on Login in the header
Username gray, password pass, click on Login button
Click on My Exam Dates

Visibility of the defect

Expected	Actual

Parts

StudentService	TeacherService	DateUtility	GradeDAO	UserDAO
E12StudentService	BaseTeacherService	BaseDateUtility	GradeTypeDaoCriteria	UserDaoCriteria

URL to the defect source code

https://gitlab.kiv.zcu.cz/herout/TbUIS-UIS/blob/master/src/main/java/cz/zcu/kiv/matyasj/dp/service/users/error/E12StudentService.java

Source code with the injected defect

/** * DELIBERATE ERROR * * This error method changes number of participants * * @return Indication for changing number of participants */ @ErrorMethod(errorMessage = "This error method changes number of participants on registered exam date by 1.") @Override public boolean changeNumberOfParticipants() { log.error(propertyLoader.getProperty("log.E12StudentService.changeNumberOfParticipants")); return true; }

URL to the correct source code

https://gitlab.kiv.zcu.cz/herout/TbUIS-UIS/blob/master/src/main/java/cz/zcu/kiv/matyasj/dp/service/users/correct/BaseStudentService.java

Correct source code

/** * This method makes sure to show correct number of participants * * @return Indication of changing number of participants */ @Override public boolean changeNumberOfParticipants() { return false; }

Logged information up to failure

2019-10-12 13:17:54.128 -- INFO LogHelper:31 - HHH000204: Processing PersistenceUnitInfo [name: cz.zcu.kiv.matyasj.dp] 2019-10-12 13:17:54.346 -- INFO Version:46 - HHH000412: Hibernate Core {5.4.1.Final} 2019-10-12 13:17:54.753 -- INFO Version:49 - HCANN000001: Hibernate Commons Annotations {5.1.0.Final} 2019-10-12 13:17:55.176 -- INFO C3P0ConnectionProvider:116 - HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/uis-web-db 2019-10-12 13:17:55.176 -- INFO C3P0ConnectionProvider:117 - HHH10001001: Connection properties: {password=****, useUnicode=true, handling_mode=DELAYED_ACQUISITION_AND_HOLD, characterEncoding=UTF-8, user=uis-web} 2019-10-12 13:17:55.176 -- INFO C3P0ConnectionProvider:120 - HHH10001003: Autocommit mode: false 2019-10-12 13:17:55.379 -- INFO C3P0ConnectionProvider:200 - HHH10001007: JDBC isolation level: <unknown> 2019-10-12 13:17:55.785 -- INFO Dialect:158 - HHH000400: Using dialect: org.hibernate.dialect.MySQL55Dialect 2019-10-12 13:17:57.535 -- INFO access:47 - HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@29fccabd] for (non-JTA) DDL execution was not in auto-commit mode; the Connection 'local transaction' will be committed and the Connection will be set into auto-commit mode. 2019-10-12 13:18:00.019 -- INFO access:47 - HHH10001501: Connection obtained from JdbcConnectionAccess [org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator$ConnectionProviderJdbcConnectionAccess@4f7c5402] for (non-JTA) DDL execution was not in auto-commit mode; the Connection 'local transaction' will be committed and the Connection will be set into auto-commit mode. 2019-10-12 13:18:11.648 -- INFO JtaPlatformInitiator:52 - HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform] 2019-10-12 13:18:11.898 -- INFO SecurityConfig:75 - SECURITY JDBC authentication process is running 2019-10-12 13:18:14.272 -- INFO SecurityConfig:93 - Authorization configuration process is running 2019-10-12 13:18:14.569 -- INFO BaseInitializer:97 - Initializing ... 2019-10-12 13:18:21.852 -- INFO BaseInitializer:463 - Initialized! 2019-10-12 13:18:21.993 -- INFO BaseInitializer:97 - Initializing ... 2019-10-12 13:21:27.297 -- INFO LoginController:30 - Request for login view 2019-10-12 13:21:35.082 -- INFO UserDaoCriteria:74 - User with username red found. 2019-10-12 13:21:35.113 -- INFO SecurityConfig:121 - Success login - red 2019-10-12 13:21:35.113 -- INFO SecurityConfig:125 - User login role: ROLE_STUDENT 2019-10-12 13:21:35.128 -- INFO UserDaoCriteria:74 - User with username red found. 2019-10-12 13:21:35.160 -- INFO OverviewController:49 - Request for overview of student with id 22 for view. 2019-10-12 13:21:36.816 -- INFO RegisterExamDatesController:44 - Request for retrieving reqistered exam dates view. 2019-10-12 13:21:36.816 -- INFO UserDaoCriteria:74 - User with username red found. 2019-10-12 13:21:36.847 -- INFO BaseStudentService:197 - Getting list of examination dates for student with id 22. 2019-10-12 13:21:36.863 -- INFO GradeDaoCriteria:102 - Returning list of 0 for student with id 22 2019-10-12 13:21:36.894 -- INFO ExaminationDateDaoCriteria:70 - Returning list of 4 examination dates for student with id 22. 2019-10-12 13:21:36.910 -- ERROR E12StudentService:51 - INJECTED_ERROR: E12StudentService_changeNumberOfParticipants_changes_number_of_participants_by_1