I have two beans Student and Teacher assume that each student can only have one teacher and each teacher can have more than one student.
but when I deploy my bean , jboos always give me the exception message ---- Depends On Me: org.jboss.deployment.DeploymentException: Configuration found in jbosscmp-jdbc.xml for relation Student-Teacher but relation is not a jbosscmp-j dbc-managed relation in ejb-jar.xml ---- so, what's the problem? below are my xml files. ---- ejb-jar.xml | <?xml version="1.0" encoding="UTF-8"?> | <ejb-jar xmlns="http://java.sun.com/xml/ns/j2ee"; version="2.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/ejb-jar_2_1.xsd";> | <display-name xml:lang="en">HelloBean</display-name> | <enterprise-beans> | <entity> | <ejb-name>Student</ejb-name> | <home>school.StudentHome</home> | <remote>school.Student</remote> | <ejb-class>school.StudentBean</ejb-class> | <persistence-type>Container</persistence-type> | <prim-key-class>java.lang.String</prim-key-class> | <reentrant>false</reentrant> | <cmp-version>1.x</cmp-version> | <cmp-field> | <description xml:lang="en">no description</description> | <field-name>id</field-name> | </cmp-field> | <cmp-field> | <description xml:lang="en">no description</description> | <field-name>name</field-name> | </cmp-field> | <cmp-field> | <description xml:lang="en">no description</description> | <field-name>teacherId</field-name> | </cmp-field> | <primkey-field>id</primkey-field> | <security-identity> | <use-caller-identity/> | </security-identity> | </entity> | | <entity> | <ejb-name>Teacher</ejb-name> | <home>school.TeacherHome</home> | <remote>school.Teacher</remote> | <ejb-class>school.TeacherBean</ejb-class> | <persistence-type>Container</persistence-type> | <prim-key-class>java.lang.String</prim-key-class> | <reentrant>false</reentrant> | <cmp-version>1.x</cmp-version> | <cmp-field> | <description xml:lang="en">no description</description> | <field-name>id</field-name> | </cmp-field> | <cmp-field> | <description xml:lang="en">no description</description> | <field-name>name</field-name> | </cmp-field> | <primkey-field>id</primkey-field> | <security-identity> | <use-caller-identity/> | </security-identity> | <entity> | | <ejb-relation> | <ejb-relation-name>Student-Teacher</ejb-relation-name> | <ejb-relationship-role> | <ejb-relationship-role-name>Student-Has-Teacher</ejb-relationship-role-name> | Many | <relationship-role-source> | <ejb-name>Student</ejb-name> | </relationship-role-source> | <cmr-field> | <cmr-field-name>teacherId</cmr-field-name> | </cmr-field> | </ejb-relationship-role> | <ejb-relationship-role> | <ejb-relationship-role-name>Teacher-Has-Student</ejb-relationship-role-name> | One | <relationship-role-source> | <ejb-name>Teacher</ejb-name> | </relationship-role-source> | <cmr-field> | <cmr-field-name>students</cmr-field-name> | <cmr-field-type>java.util.Collection</cmr-field-type> | </cmr-field> | </ejb-relationship-role> | </ejb-relation> | </enterprise-beans> | </ejb-jar> | | ----------------------------------------------- and the jbosscpm-jdbc.xml | <?xml version="1.0" encoding="UTF-8"?> | <!DOCTYPE jbosscmp-jdbc PUBLIC "-//JBoss//DTD JBOSSCMP-JDBC 3.2//EN" "http://www.jboss.org/j2ee/dtd/jbosscmp-jdbc_4_0.dtd";> | | <jbosscmp-jdbc> | <defaults> | <datasource>java:/MySqlDS</datasource> | <datasource-mapping>mySQL</datasource-mapping> | </defaults> | | <enterprise-beans> | <entity> | <ejb-name>Teacher</ejb-name> | <create-table>false</create-table> | <remove-table>false</remove-table> | <table-name>teacher</table-name> | <cmp-field> | <field-name>id</field-name> | <column-name>id</column-name> | </cmp-field> | <cmp-field> | <field-name>name</field-name> | <column-name>name</column-name> | </cmp-field> | </entity> | <entity> | <ejb-name>Student</ejb-name> | <create-table>false</create-table> | <remove-table>false</remove-table> | <table-name>hello</table-name> | <cmp-field> | <field-name>id</field-name> | <column-name>id</column-name> | </cmp-field> | <cmp-field> | <field-name>name</field-name> | <column-name>name</column-name> | </cmp-field> | <cmp-field> | <field-name>teacherId</field-name> | <column-name>teacherId</column-name> | </cmp-field> | </entity> | </enterprise-beans> | | <relationships> | <ejb-relation> | <ejb-relation-name>Student-Teacher</ejb-relation-name> | <foreign-key-mapping/> | <ejb-relationship-role> | <ejb-relationship-role-name>Teacher-Has-Student</ejb- relationship-role-name> | <key-fields> | <key-field> | <field-name>id</field-name> | <column-name>id</column-name> | </key-field> | </key-fields> | </ejb-relationship-role> | <ejb-relationship-role> | <ejb-relationship-role-name>Student-Has-Teacher</ejb-relationship-role-name> | <key-fields/> | </ejb-relationship-role> | </ejb-relation> | </relationships> | </jbosscmp-jdbc> | View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=3850702#3850702 Reply to the post : 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