findBy<fieldname> exception during deploying
Does any one can tell me what is the reason for the following execption during deploying a CMP with home method findBy. Does jboss (3.0alpha) generates the implementation automatically?
Roy
filed name : accountId
descriptor:
<display-name>Location Bean</display-name>
<ejb-name>Location</ejb-name>
<local-home>com.inquent.iqos.ejb.log.persistence.LocationLocalHome</local-home>
com.inquent.iqos.ejb.log.persistence.LocationLocal
<ejb-class>com.inquent.iqos.ejb.log.persistence.LocationBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.Integer</prim-key-class>
false
<abstract-schema-name>LocationBean</abstract-schema-name>
<cmp-version>2.x</cmp-version>
<cmp-field>
Location Id
<field-name>locationId</field-name>
</cmp-field>
<cmp-field>
Account Id
<field-name>accountId</field-name>
</cmp-field>
<cmp-field>
Location Code
<field-name>locationCode</field-name>
</cmp-field>
<cmp-field>
Location Description
<field-name>description</field-name>
</cmp-field>
<primkey-field>locationId</primkey-field>
<query-method>
<method-name>findByAccountId</method-name>
<method-params><method-param>int</method-param></method-params>
</query-method>
<result-type-mapping>Local</result-type-mapping>
<ejb-ql>
SELECT OBJECT(lb) FROM LocationBean lb WHERE lb.accountId=?1
</ejb-ql>
java.lang.NullPointerException
at org.jboss.ejb.plugins.cmp.jdbc.ejbql.SQLTarget.(SQLTarget.java:75)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCEJBQLFinderCommand.(JDBCEJBQLFinderCommand.java:50)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCCommandFactory.createEJBQLFinderCommand(JDBCCommandFactory.java:99)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCFindEntitiesCommand.start(JDBCFindEntitiesCommand.java:123)
at org.jboss.ejb.plugins.cmp.jdbc.JDBCStoreManager.start(JDBCStoreManager.java:139)
at org.jboss.ejb.plugins.CMPPersistenceManager.start(CMPPersistenceManager.java:186)
at org.jboss.ejb.EntityContainer.start(EntityContainer.java:404)
at org.jboss.ejb.Application.start(Application.java:200)
at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java:381)
at org.jboss.ejb.ContainerFactory.deploy(ContainerFactory.java:307)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1628)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at org.jboss.deployment.J2eeDeployer.startModules(J2eeDeployer.java:467)
at org.jboss.deployment.J2eeDeployer.startApplication(J2eeDeployer.java:444)
at org.jboss.deployment.J2eeDeployer.deploy(J2eeDeployer.java:215)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1628)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at org.jboss.deployment.AutoDeployer.deploy(AutoDeployer.java:633)
at org.jboss.deployment.AutoDeployer.run(AutoDeployer.java:308)
at java.lang.Thread.run(Thread.java:536)