Default Mapping Exceptions (20001 - 20008)

DefaultMappingException is a run-time exception that is raised when an error occurs during OC4J CMP default mapping.

Format

EXCEPTION [TOPLINK – error code]: Exception name
EXCEPTION DESCRIPTION: Message

Example 13-21 Default Mapping Exception

EXCEPTION [TOPLINK – 20002]: oracle.toplink.exceptions.DefaultMappingException
EXCEPTION DESCRIPTION: The finder method with the parameters as defined in the ejb-jar.xml file, is not found in the home of bean.

20001: FINDER_PARAMETER_TYPE_NOT_FOUND

Cause: Could not find the parameter type, defined in the ejb-jar.xml file, of the finder in the entity bean.

Action: Check the finder definition in the ejb-jar.xml file and the bean home to ensure that the named finder has the specified method parameter type(s).

20002: FINDER_NOT_DEFINED_IN_HOME

Cause: The finder method with the parameters as defined in the ejb-jar.xml file, is not found in the home of bean.

Action: Check the ejb-jar.xml file and the bean home to ensure that the finder with the specified name and method parameter type(s) are defined.

20003: EJB_SELECT_NOT_DEFINED_IN_BEAN

Cause: The ejbSelect method with the parameters, as defined in the ejb-jar.xml file, is not found in the bean class.

Action: Check the ejb-jar.xml file and the bean class to ensure that the ejbSelect method is defined with the specified name and method parameter type(s).

20004: FINDER_NOT_START_WITH_FIND_OR_EJBSELECT

Cause: The finder method of bean in the ejb-jar.xml file is not well defined. It should start with either find or ejbSelect.

Action: Check the ejb-jar.xml file to ensure that the query name starts with find or ejbSelect, according to the EJB specification.

20005: GETTER_NOT_FOUND

Cause: The abstract get method is not defined in the bean.

Action: Check the ejb-jar.xml file and the bean class to ensure that the abstract get method is well defined.

20006: FIELD_NOT_FOUND

Cause: The CMP field is not defined in the bean.

Action: Check the ejb-jar.xml file and the bean class to ensure that the CMP field defined in the ejb-jar.xml file is also defined in the bean class.

20007: MAX_TRIES_EXCEDED_FOR_LOCK_ON_CLONE

Cause: During an attempt to clone the specified object, the maximum number of attempts to lock the specified object was exceeded. TopLink failed to clone the object.

Action: Consider your locking strategy (see "Understanding Descriptors and Locking").

20008: MAX_TRIES_EXCEDED_FOR_LOCK_ON_MERGE

Cause: During an attempt to merge changes to the specified object, the maximum number of attempts to lock the specified object was exceeded. TopLink failed to merge the transaction.

Action: Consider your locking strategy (see "Understanding Descriptors and Locking").