Spring Data JPA. Parent table data is not getting rolled back when exception occurred while inserting record in child table - spring-data-jpa

Question

I have 2 tables one to many relationship between Employee and Department table, Employee table are having column Id as PK, Name and Sal whereas Department table having column Dept_ID,Dept_Name & Dept_Loc and primary key is (Dept_ID,Dept_Name) i.e composite key and Dept_ID is foreign key ref from Employee table's Id column. The issue is when I save record in parent table i.e Employee it get saved but if in case I get exception while inserting record for child table i.e Department table,,data is not getting rolled back for EMployee table. Please help I m struggling and I am attaching my code.
public class GlEmployee implements Serializable {
private static final long serialVersionUID = 1L;
#Id
#GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "emp_seq")
#Column(name = "EMP_ID")
private long empId;
#Column(name = "EMP_CITY")
private String empCity;
#Column(name = "EMP_NAME")
private String empName;
#Column(name = "EMP_SALARY")
private BigDecimal empSalary;
// bi-directional many-to-one association to EmpDepartment
#OneToMany(mappedBy = "glEmployee",cascade = CascadeType.ALL)
private List<EmpDepartment> empDepartments = new ArrayList<>();
public GlEmployee() {
}
public long getEmpId() {
return this.empId;
}
public void setEmpId(long empId) {
this.empId = empId;
}
public String getEmpCity() {
return this.empCity;
}
public void setEmpCity(String empCity) {
this.empCity = empCity;
}
public String getEmpName() {
return this.empName;
}
public void setEmpName(String empName) {
this.empName = empName;
}
public BigDecimal getEmpSalary() {
return this.empSalary;
}
public void setEmpSalary(BigDecimal empSalary) {
this.empSalary = empSalary;
}
public List<EmpDepartment> getEmpDepartments() {
return this.empDepartments;
}
public void setEmpDepartments(List<EmpDepartment> empDepartments) {
this.empDepartments = empDepartments;
}
public EmpDepartment addEmpDepartment(EmpDepartment empDepartment) {
getEmpDepartments().add(empDepartment);
empDepartment.setGlEmployee(this);
return empDepartment;
}
public EmpDepartment removeEmpDepartment(EmpDepartment empDepartment) {
getEmpDepartments().remove(empDepartment);
empDepartment.setGlEmployee(null);
return empDepartment;
}
}
#Entity
#Table(name = "EMP_DEPARTMENT")
public class EmpDepartment implements Serializable {
private static final long serialVersionUID = 1L;
#EmbeddedId
private EmpDepartmentPK id;
#Column(name = "DEP_LOC")
private String depLoc;
public EmpDepartment(EmpDepartment id, String dep) {
}
// bi-directional many-to-one association to GlEmployee
#ManyToOne(cascade = CascadeType.ALL)
#JoinColumn(name = "DEP_ID", insertable = false, updatable = false)
private GlEmployee glEmployee;
public EmpDepartment() {
}
public EmpDepartmentPK getId() {
return this.id;
}
public void setId(GlEmployee glEmployee, String deptName) {
EmpDepartmentPK empDepartment = new
EmpDepartmentPK(glEmployee.getEmpId(), deptName);
this.id = empDepartment;
}
public String getDepLoc() {
return this.depLoc;
}
public void setDepLoc(String depLoc) {
this.depLoc = depLoc;
}
public GlEmployee getGlEmployee() {
return this.glEmployee;
}
public void setGlEmployee(GlEmployee glEmployee) {
this.glEmployee = glEmployee;
}
}
#Embeddable
public class EmpDepartmentPK implements Serializable {
// default serial version id, required for serializable classes.
private static final long serialVersionUID = 1L;
#Column(name = "DEP_ID")
private long depId;
#Column(name = "DEP_NAME")
private String depName;
public EmpDepartmentPK() {
}
public EmpDepartmentPK(long depId, String depName) {
super();
this.depId = depId;
this.depName = depName;
}
public long getDepId() {
return this.depId;
}
public void setDepId(long depId) {
this.depId = depId;
}
public String getDepName() {
return this.depName;
}
public void setDepName(String depName) {
this.depName = depName;
}
#Service
public class EmployeeService {
#Autowired
private EmployeeRepository employeeRepository;
#Transactional
public void createEmp() {
GlEmployee employee = new GlEmployee();
employee.setEmpCity("Pune");
employee.setEmpName("Ankush");
employee.setEmpSalary(new BigDecimal(200));
employeeRepository.save(employee);
EmpDepartment department = new EmpDepartment();
department.setId(employee, "ME");
department.setDepLoc(null);
department.setGlEmployee(employee);
employee.addEmpDepartment(department);
employeeRepository.save(employee);
}
}