Logical mapping of PK Class

[shaikaman]

Hi all,

I've a sample CMP in Jboss4.0. In my ejb-jar.xml i've given as,


<![CDATA[UserRegBean EJB]]>
<display-name>UserRegBean</display-name>

<ejb-name>UserRegBean</ejb-name>

com.reg.cmp.ejb.UserRegBeanHome
com.reg.cmp.ejb.UserRegBean

<ejb-class>com.reg.cmp.ejb.UserRegBeanCMP</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>com.reg.cmp.ejb.UserRegBeanPK</prim-key-class>
False
<cmp-version>2.x</cmp-version>
<abstract-schema-name>UserRegBean</abstract-schema-name>


<cmp-field>
<field-name>userId</field-name>
</cmp-field>
<cmp-field>
<field-name>userName</field-name>
</cmp-field>
<cmp-field>
<field-name>password</field-name>
</cmp-field>


I've mapped PK class in this. But, when I deploy I get the following exception ..

12:04:09,618 WARN [JDBCMetaDataMigrationUtil] Unable to find logical mapping for primary key class: com.reg.cmp.ejb.UserRegBeanPK
12:04:11,633 ERROR [EntityContainer] Starting failed: java.lang.NullPointerException
12:04:11,633 WARN [ServiceController] Problem starting service jboss.j2ee:jndiName=UserRegBean,service=EJB
java.lang.NullPointerException
at org.jboss.ejb.plugins.cmp.jdbc.JDBCTypeFactory.createTypeSimple(JDBCTypeFactory.java:115)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCTypeFactory.getJDBCType(JDBCTypeFactory.java:77)
at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCAbstractCMPFieldBridge.(JDBCAbstractCMPFieldBridge.java:71)
at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCCMP2xFieldBridge.(JDBCCMP2xFieldBridge.java:47)
at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge.createCMPField(JDBCEntityBridge.java:313)
at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge.loadCMPFields(JDBCEntityBridge.java:183)
at org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge.(JDBCEntityBridge.java:122)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.initStoreManager(JDBCStoreManager.java:513)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.start(JDBCStoreManager.java:428)
at org.jboss.ejb.entity.CMPInterceptor.start(CMPInterceptor.java:57)
at org.jboss.ejb.entity.SimplePersistenceManager.start(SimplePersistenceManager.java:79)
:
:
:
:

I dont know where else I need to map this key field. But I'm sure I dont need to.
Btw, Do we need to have jbosscmp-jdbc.xml ...or jaws.xml is enough..?

TIA,

Regards,
aman.

[moj0002]

I have the same problem
The instance fields in my primary key class are public.

Did you find an answer??

Morten

[bwilly]

Please let me know if you get a solution. I just want PK generation to work. I have no luck using a generator class or just telling JBoss to delegate to mySQL. Using JBoss4 and mySQL 4.

[r6express]

Bump.

Having same problem with 4.0.0DR2 but not with 3.2.3.

I've tried changing my Java type for the pk-field to java.lang.Integer, java.lang.Long, long, and int and also tried using alternative column-types such as BIGINT, INTEGER, etc. but the problem persists.

-Jason

[aloubyansky]

Could you repost the exception assuming you are using a fresh check out and your DDs?