About a j2ee-1_4-doc-tutorial_5 example:SavingsAccount

I study ejb with j2ee-1_4-doc-tutorial_5,but when i test savingsaccount example,throws->

15:00:44,781 WARN [verifier] EJB spec violation:

Bean : SavingsAccount

Method : public abstract void chargeForLowBalance(BigDecimal, BigDecimal) throws InsufficientBalanceException,
RemoteException

Section: 9.2.8

Warning: Each method defined in the entity bean's home interface must be either create or finder method.

...


why?all code is follow j2ee-Specification!why?

SavingsAccountHome.java

public interface SavingsAccountHome extends EJBHome {

//create method

public SavingsAccount create(String id, String firstName, String lastName,

BigDecimal balance) throws CreateException,

RemoteException;


//finder method

public SavingsAccount findByPrimaryKey(String id)

throws FinderException,

RemoteException;


public Collection findByLastName(String lastName)

throws FinderException,

RemoteException;


public Collection findInRange(BigDecimal low, BigDecimal high)

throws

FinderException, RemoteException;

//home method

public void chargeForLowBalance(BigDecimal minimumBalance, BigDecimal charge)

throws InsufficientBalanceException, RemoteException;


}

part of SavingsAccountBean.java

//implement home's create method

public Object ejbCreate(String id, String firstName, String lastName,

BigDecimal balance) throws CreateException {

...

}

public void ejbPostCreate(String id, String firstName, String lastName,

BigDecimal balance) {

}

//implement home's find method

public String ejbFindByPrimaryKey(String primaryKey)

throws FinderException {

...

}

public Collection ejbFindByLastName(String lastName)

throws FinderException {

...

}

public String ejbFindByPrimaryKey(String primaryKey)

throws FinderException {

...

}

//implement home's method

public void ejbHomeChargeForLowBalance(BigDecimal minimumBalance,

BigDecimal charge) throws InsufficientBalanceException {

...

}

//implement Remote method

...