Program: 68267
Project: 68267
Buggy source:
public void testFindDeleteAllPersist(){
  String firstName="String_Node_Str";
  Employee empWithAddress=new Employee();
  empWithAddress.setFirstName(firstName);
  empWithAddress.setLastName("String_Node_Str");
  empWithAddress.setAddress(new Address());
  Employee empWithoutAddress=new Employee();
  empWithoutAddress.setFirstName(firstName);
  empWithoutAddress.setLastName("String_Node_Str");
  EntityManager em=createEntityManager("String_Node_Str");
  Query deleteQuery=em.createQuery("String_Node_Str" + firstName + "String_Node_Str");
  beginTransaction(em);
  try {
    deleteQuery.executeUpdate();
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  beginTransaction(em);
  try {
    em.persist(empWithAddress);
    em.persist(empWithoutAddress);
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  clearCache("String_Node_Str");
  em.clear();
  beginTransaction(em);
  try {
    Employee empWithAddressFound=em.find(Employee.class,empWithAddress.getId());
    Employee empWithoutAddressFound=em.find(Employee.class,empWithoutAddress.getId());
    int nDeleted=em.createQuery("String_Node_Str" + firstName + "String_Node_Str").executeUpdate();
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  em.clear();
  beginTransaction(em);
  try {
    Employee newEmpWithoutAddress=new Employee();
    newEmpWithoutAddress.setFirstName(firstName);
    newEmpWithoutAddress.setLastName("String_Node_Str");
    newEmpWithoutAddress.setId(empWithoutAddress.getId());
    em.persist(newEmpWithoutAddress);
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  beginTransaction(em);
  try {
    Employee newEmpWithAddress=new Employee();
    newEmpWithAddress.setFirstName(firstName);
    newEmpWithAddress.setLastName("String_Node_Str");
    newEmpWithAddress.setId(empWithAddress.getId());
    em.persist(newEmpWithAddress);
    fail("String_Node_Str");
  }
 catch (  EntityExistsException ex) {
  }
 finally {
    rollbackTransaction(em);
  }
  beginTransaction(em);
  deleteQuery.executeUpdate();
  commitTransaction(em);
}

Fixed version (ground truth):
public void testFindDeleteAllPersist(){
  String firstName="String_Node_Str";
  Employee empWithAddress=new Employee();
  empWithAddress.setFirstName(firstName);
  empWithAddress.setLastName("String_Node_Str");
  empWithAddress.setAddress(new Address());
  Employee empWithoutAddress=new Employee();
  empWithoutAddress.setFirstName(firstName);
  empWithoutAddress.setLastName("String_Node_Str");
  EntityManager em=createEntityManager("String_Node_Str");
  beginTransaction(em);
  try {
    em.createQuery("String_Node_Str" + firstName + "String_Node_Str").executeUpdate();
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  beginTransaction(em);
  try {
    em.persist(empWithAddress);
    em.persist(empWithoutAddress);
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  clearCache("String_Node_Str");
  em.clear();
  beginTransaction(em);
  try {
    Employee empWithAddressFound=em.find(Employee.class,empWithAddress.getId());
    Employee empWithoutAddressFound=em.find(Employee.class,empWithoutAddress.getId());
    int nDeleted=em.createQuery("String_Node_Str" + firstName + "String_Node_Str").executeUpdate();
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  em.clear();
  beginTransaction(em);
  try {
    Employee newEmpWithoutAddress=new Employee();
    newEmpWithoutAddress.setFirstName(firstName);
    newEmpWithoutAddress.setLastName("String_Node_Str");
    newEmpWithoutAddress.setId(empWithoutAddress.getId());
    em.persist(newEmpWithoutAddress);
    commitTransaction(em);
  }
 catch (  RuntimeException ex) {
    if (isTransactionActive(em)) {
      rollbackTransaction(em);
    }
    closeEntityManager(em);
    throw ex;
  }
  beginTransaction(em);
  try {
    Employee newEmpWithAddress=new Employee();
    newEmpWithAddress.setFirstName(firstName);
    newEmpWithAddress.setLastName("String_Node_Str");
    newEmpWithAddress.setId(empWithAddress.getId());
    em.persist(newEmpWithAddress);
    fail("String_Node_Str");
  }
 catch (  EntityExistsException ex) {
  }
 finally {
    rollbackTransaction(em);
  }
  beginTransaction(em);
  em.createQuery("String_Node_Str" + firstName + "String_Node_Str").executeUpdate();
  commitTransaction(em);
}