java.lang.ClassCastException: org.netbeans.jpa.modeler.spec.OneToOne cannot be cast to org.netbeans.jpa.modeler.spec.Embedded

[jShiwaniGupta]

Message : org.netbeans.jpa.modeler.spec.OneToOne cannot be cast to org.netbeans.jpa.modeler.spec.Embedded

StackTrace :
java.lang.ClassCastException: org.netbeans.jpa.modeler.spec.OneToOne cannot be cast to org.netbeans.jpa.modeler.spec.Embedded
at org.eclipse.persistence.tools.schemaframework.JPAMFieldDefinition.buildDBColumn(JPAMFieldDefinition.java:161)
at org.eclipse.persistence.tools.schemaframework.JPAMTableDefinition.buildDBTable(JPAMTableDefinition.java:98)
at org.eclipse.persistence.tools.schemaframework.JPAMSchemaManager.createMapping(JPAMSchemaManager.java:239)
at org.eclipse.persistence.tools.schemaframework.JPAMTableCreator.createTables(JPAMTableCreator.java:183)
at org.eclipse.persistence.tools.schemaframework.JPAMTableCreator.createTables(JPAMTableCreator.java:143)
at org.eclipse.persistence.tools.schemaframework.JPAMTableCreator.createTables(JPAMTableCreator.java:135)
at org.eclipse.persistence.tools.schemaframework.JPAMSchemaManager.createDefaultTables(JPAMSchemaManager.java:1074)
at org.netbeans.db.modeler.specification.model.util.DBModelerUtil.createDBMapping(DBModelerUtil.java:222)
at org.netbeans.db.modeler.specification.model.util.DBModelerUtil.loadModelerFile(DBModelerUtil.java:148)
at org.netbeans.modeler.core.NBModelerUtil.loadModelerFile(NBModelerUtil.java:57)
at org.netbeans.modeler.specification.model.file.action.ModelerFileActionListener.openModelerFile(ModelerFileActionListener.java:155)
at org.netbeans.db.modeler.specification.model.file.action.DBViewerActionListener.init(DBViewerActionListener.java:61)
at org.netbeans.jpa.modeler.specification.model.util.JPAModelerUtil.openDBViewer(JPAModelerUtil.java:1645)
at org.netbeans.jpa.modeler.specification.model.util.JPAModelerUtil.openDBViewer(JPAModelerUtil.java:1635)
at org.netbeans.jpa.modeler.specification.model.event.JPAEventListener$2.actionPerformed(JPAEventListener.java:46)
at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1663)
at javax.swing.JComponent.processKeyBinding(JComponent.java:2882)
at javax.swing.JComponent.processKeyBindings(JComponent.java:2929)
at javax.swing.JComponent.processKeyEvent(JComponent.java:2845)
at java.awt.Component.processEvent(Component.java:6312)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4891)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4713)
at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771)
at java.awt.Component.dispatchEventImpl(Component.java:4762)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Window.dispatchEventImpl(Window.java:2750)
at java.awt.Component.dispatchEvent(Component.java:4713)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

ModelerFile :

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<jpa:entity-mappings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:java="http://jcp.org/en/jsr/detail?id=270" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:jpa="http://java.sun.com/xml/ns/persistence/orm" pkg="dbbbb" v="1.5.1" xs="false" id="_145887954386336" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm orm_2_1.xsd">
    <jpa:entity xre="false" sm="false" abs="false" class="PersonTab" visibile="true" minimized="false" rootElement="_145887954386336" id="_145887954388643">
        <jpa:attributes>
            <basic optional="true" attribute-type="String" visibile="true" name="department" id="_145887954390172">
                <jpa:column name="DEPARTMENT" unique="false" nullable="true" insertable="true" updatable="true" table="PERSON_TAB" length="255"/>
            </basic>
            <basic optional="true" attribute-type="String" visibile="true" name="jobtype" id="_145887954390173">
                <jpa:column name="JOBTYPE" unique="false" nullable="true" insertable="true" updatable="true" table="PERSON_TAB" length="255"/>
            </basic>
            <basic optional="true" attribute-type="String" visibile="true" name="asdr" id="_145887954390174">
                <jpa:column name="ASDR" unique="false" nullable="true" insertable="true" updatable="true" table="PERSON_TAB" length="30"/>
            </basic>
            <one-to-one own="true" primaryKey="false" connected-entity-id="_145887954388643" connected-attribute-id="_145887954390176" visibile="true" name="personTab" id="_145887954390175"/>
            <one-to-one optional="false" primaryKey="false" connected-entity-id="_145887954388643" connected-attribute-id="_145887954390175" visibile="true" name="personTab1" id="_145887954390176">
                <join-column name="ID3456" unique="false" nullable="true" insertable="false" updatable="false"/>
            </one-to-one>
            <jpa:id attribute-type="Long" visibile="true" name="id3456" id="_145887954390171">
                <jpa:column name="ID3456" unique="false" nullable="false" insertable="true" updatable="true" table="PERSON_TAB"/>
            </jpa:id>
        </jpa:attributes>
        <jpa:table name="PERSON_TAB"/>
    </jpa:entity>
    <jpa:c/>
    <jpa:diagram>
        <plane elementRef="_145887954386336">
            <shape elementRef="_145887954388643">
                <Bounds x="-3917.0" y="87.0" width="172.0" height="178.0"/>
            </shape>
        </plane>
    </jpa:diagram>
</jpa:entity-mappings>