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jdcyuen
 Post subject: could not instantiate id generator
PostPosted: Sat Jul 08, 2006 6:33 pm 
Beginner
Beginner

Joined: Sat Jul 08, 2006 2:58 pm
Posts: 26
I'm new to hibernate and am getting the following error:

C:\Projects\Main\build\build.xml:253: org.hibernate.MappingException: could not instantiate id generator

What I'm trying to do is to run an ant task to do a table drop and recreate a table.

This is the ant task I'm trying to do:

Code:
<target name="schema-recreate"  description="Recreates (with drop) the schema on the server.">
      <echo>  Schema recreate </echo>
      <hibernatetool destdir="${deploy}">
         <classpath refid="compile.classpath" />
         <configuration configurationfile="${conf-classes}/hibernate.cfg.xml" />
         <hbm2ddl drop="false" create="true" export="true" update="false" />
      </hibernatetool>
   </target>



Everything seems to work, until I do the schema-recreate.

All my *.hbm.xml files get created, and my hibernate.cfg.xml file is created. But I don't know what the error is trying to tell me. Can someone suggest what I might do to debug this problem?

Thanks.
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max
 Post subject:
PostPosted: Sun Jul 09, 2006 5:05 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
what id generator is it ?

do you have the classes needed for it in the classpath?

_________________
Max
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jdcyuen
 Post subject:
PostPosted: Sun Jul 09, 2006 12:09 pm 
Beginner
Beginner

Joined: Sat Jul 08, 2006 2:58 pm
Posts: 26
I think it's finding the classes in its classpath. This is the output from my ant task:

Code:
C:\Projects\Main\build>ant schema-recreate
Buildfile: build.xml

schema-recreate:
     [echo]   Schema recreate
[hibernatetool] Executing Hibernate Tool with a Standard Configuration
[hibernatetool] 1. task: hbm2ddl (Generates database schema)
[hibernatetool] (cfg.Environment                     479 ) Hibernate 3.1.3
[hibernatetool] (cfg.Environment                     509 ) hibernate.properties not found
[hibernatetool] (cfg.Environment                     525 ) using CGLIB reflection optimizer
[hibernatetool] (cfg.Environment                     555 ) using JDK 1.4 java.sql.Timestamp handling
[hibernatetool] (cfg.Configuration                   1342) configuring from file: hibernate.cfg.xml
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Address.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Address -> Address
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Adversereaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Adversereaction -> Adversereaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Alertinformation.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Alertinformation -> Medhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Allergy.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Allergy -> Allergy
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Alternatebptherapy.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Alternatebptherapy -> Alternatebptherapy
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Appointment.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Appointment -> Appointment
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Association.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Association -> Association
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Birthrecord.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Birthrecord -> Birthrecord
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Bphistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Bphistory -> Bphistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Bptherapy.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Bptherapy -> Bptherapy
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Card.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Card -> Card
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Cardactivity.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Cardactivity -> Cardactivity
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Ddapform.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Ddapform -> Ddapform
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Demographic.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Demographic -> Demographic
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Diagnosis.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Diagnosis -> Diagnosis
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Document.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Document -> Document
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Emergencycontact.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Emergencycontact -> Emergencycontact
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Encounter.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Encounter -> Encounter
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Exam.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Exam -> Exam
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Examitem.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Examitem -> Examitem
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Familyhistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Familyhistory -> Familyhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Formhistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Formhistory -> Formhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Growth.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Growth -> Growth
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Insurancebenefit.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Insurancebenefit -> Insurancebenefit
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Insurancebenefitcoverage.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Insurancebenefitcoverage -> Insurancebenefitcoverage
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Insurancecoverage.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Insurancecoverage -> Insurancecoverage
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Insuranceplan.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Insuranceplan -> Insuranceplan
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Intolerance.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Intolerance -> Intolerance
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Medhistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Medhistory -> Medhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Medorder.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Medorder -> Medorder
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Medreaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Medreaction -> Medreaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Occupation.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Occupation -> Occupation
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Organization.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Organization -> Organization
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Person.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Person -> Person
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Personinsurance.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Personinsurance -> Personinsurance
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Personprocedure.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Personprocedure -> Personprocedure
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Personprovider.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Personprovider -> Personprovider
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Phone.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Phone -> Phone
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Photo.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Photo -> Photo
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickaddresstype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickaddresstype -> Pickaddresstype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickadministeringprovider.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickadministeringprovider -> Pickadministeringprovider
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickallergen.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickallergen -> Pickallergen
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickallergencategory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickallergencategory -> Pickallergencategory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickallergenreaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickallergenreaction -> Pickallergenreaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickallergentherapy.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickallergentherapy -> Medhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickalternatebptherapytype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickalternatebptherapytype -> Pickalternatebptherapytype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickappointmenttype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickappointmenttype -> Pickappointmenttype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickassociationtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickassociationtype -> Pickassociationtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickbpsymptom.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickbpsymptom -> Pickbpsymptom
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickcardaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickcardaction -> Pickcardaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickcardreason.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickcardreason -> Pickcardreason
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickcardstatus.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickcardstatus -> Pickcardstatus
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickcontact.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickcontact -> Pickcontact
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickdocumenttype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickdocumenttype -> Pickdocumenttype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickdose.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickdose -> Pickdose
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickformtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickformtype -> Pickformtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickicdcode.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickicdcode -> Pickicdcode
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickintolerance.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickintolerance -> Pickintolerance
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickintolerancecategory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickintolerancecategory -> Pickintolerancecategory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickintolerancereaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickintolerancereaction -> Pickintolerancereaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmeddiagnosis.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmeddiagnosis -> Pickmeddiagnosis
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedduration.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedduration -> Pickmedduration
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedexamitem.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedexamitem -> Pickmedexamitem
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedexamtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedexamtype -> Pickmedexamtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedfamily.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedfamily -> Pickmedfamily
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedfrequency.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedfrequency -> Pickmedfrequency
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedprocedure.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedprocedure -> Pickmedprocedure
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedreaction.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedreaction -> Pickmedreaction
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedreactiontype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedreactiontype -> Pickmedreactiontype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedstrength.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedstrength -> Pickmedstrength
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedsubtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedsubtype -> Pickmedsubtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickmedtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickmedtype -> Pickmedtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickorganizationtype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickorganizationtype -> Pickorganizationtype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickpersonrace.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickpersonrace -> Pickpersonrace
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickpersonrelationship.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickpersonrelationship -> Pickpersonrelationship
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickpersonreligion.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickpersonreligion -> Pickpersonreligion
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickphonenumbertype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickphonenumbertype -> Pickphonenumbertype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickroute.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickroute -> Pickroute
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Picksite.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Picksite -> Picksite
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickstatuscode.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickstatuscode -> Pickstatuscode
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Picksuppliertype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Picksuppliertype -> Picksuppliertype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Picksymptom.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Picksymptom -> Picksymptom
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickvaccinefamily.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickvaccinefamily -> Pickvaccinefamily
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickvaccineschedule.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickvaccineschedule -> Pickvaccineschedule
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Pickvaccinetype.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Pickvaccinetype -> Pickvaccinetype
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Signature.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Signature -> Signature
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Socialhistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Socialhistory -> Socialhistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Vaccinehistory.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Vaccinehistory -> Vaccinehistory
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Vaccineorder.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Vaccineorder -> Vaccineorder
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Vitalsign.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Vitalsign -> Vitalsign
[hibernatetool] (cfg.Configuration                   469 ) Reading mappings from resource: com/chisq/common/bo/Webpart.hbm.xml
[hibernatetool] (cfg.HbmBinder                       309 ) Mapping class: com.chisq.common.bo.Webpart -> Webpart
[hibernatetool] (cfg.Configuration                   1419) Configured SessionFactory: null
[hibernatetool] (dialect.Dialect                     103 ) Using dialect: org.hibernate.dialect.MySQLDialect

BUILD FAILED
C:\Projects\Main\build\build.xml:253: org.hibernate.MappingException: could not instantiate id generator

Total time: 5 seconds


I don't know what you mean by the term id generator, but in all my *.java files I have an XDoclet tag like this:

Code:
    /**
   * @hibernate.id
   * column="AddressID"
   * generator-class="native"
   */
   public Long getId() {
      return id;
   }
   public void setId(Long id) {
      this.id = id;
   }


And in all my *.hbm.xml files, XDoclet creates:

Code:
<id
            name="id"
            column="AddressID"
            type="java.lang.Long"
        >
            <generator class="native">
              <!-- 
                  To add non XDoclet generator parameters, create a file named
                  hibernate-generator-params-Address.xml
                  containing the additional parameters and place it in your merge dir.
              -->
            </generator>
        </id>



So all that looks ok. But I guess I'm missing something else. Is it safe to assume that my classpath is ok from looking at the console ouput from my ant task?

BTW, what is a id generator? Is that where I specify generator class="native"?
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max
 Post subject:
PostPosted: Sun Jul 09, 2006 12:13 pm 
Hibernate Team
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Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
yes - that is the id generator.

how about showing us the full stacktrace?

via ant you can get that by adding -verbose when you start it.

e..g "ant -verbose schema-recreate"

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jdcyuen
 Post subject:
PostPosted: Sun Jul 09, 2006 12:59 pm 
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Joined: Sat Jul 08, 2006 2:58 pm
Posts: 26
Here is the full stacktrace:
Code:
C:\Projects\Main\build\build.xml:253: org.hibernate.MappingException: could not instantiate id generator
        at org.apache.tools.ant.Task.perform(Task.java:373)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: org.hibernate.MappingException: could not instantiate id generator
        at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:97)
        at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:152)
        at org.hibernate.cfg.Configuration.iterateGenerators(Configuration.java:601)
        at org.hibernate.cfg.Configuration.generateDropSchemaScript(Configuration.java:712)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:91)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:59)
        at org.hibernate.tool.ant.Hbm2DDLExporterTask.execute(Hbm2DDLExporterTask.java:43)
        at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:143)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        ... 10 more
Caused by: org.hibernate.MappingException: could not interpret id generator strategy:
        at org.hibernate.id.IdentifierGeneratorFactory.getIdentifierGeneratorClass(IdentifierGeneratorFactory.java:108)
        at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:91)
        ... 19 more
--- Nested Exception ---
org.hibernate.MappingException: could not instantiate id generator
        at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:97)
        at org.hibernate.mapping.SimpleValue.createIdentifierGenerator(SimpleValue.java:152)
        at org.hibernate.cfg.Configuration.iterateGenerators(Configuration.java:601)
        at org.hibernate.cfg.Configuration.generateDropSchemaScript(Configuration.java:712)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:91)
        at org.hibernate.tool.hbm2ddl.SchemaExport.<init>(SchemaExport.java:59)
        at org.hibernate.tool.ant.Hbm2DDLExporterTask.execute(Hbm2DDLExporterTask.java:43)
        at org.hibernate.tool.ant.HibernateToolTask.execute(HibernateToolTask.java:143)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
        at org.apache.tools.ant.Task.perform(Task.java:364)
        at org.apache.tools.ant.Target.execute(Target.java:341)
        at org.apache.tools.ant.Target.performTasks(Target.java:369)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
        at org.apache.tools.ant.Main.runBuild(Main.java:668)
        at org.apache.tools.ant.Main.startAnt(Main.java:187)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: org.hibernate.MappingException: could not interpret id generator strategy:
        at org.hibernate.id.IdentifierGeneratorFactory.getIdentifierGeneratorClass(IdentifierGeneratorFactory.java:108)
        at org.hibernate.id.IdentifierGeneratorFactory.create(IdentifierGeneratorFactory.java:91)
        ... 19 more

Total time: 5 seconds
C:\Projects\Main\build>
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max
 Post subject:
PostPosted: Sun Jul 09, 2006 5:54 pm 
Hibernate Team
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Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
"could not interpret id generator strategy:"

looks like you have an empty string generator strategy.

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jdcyuen
 Post subject:
PostPosted: Sun Jul 09, 2006 10:55 pm 
Beginner
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Joined: Sat Jul 08, 2006 2:58 pm
Posts: 26
OK, so are you saying that my *.hbm.xml files are not being read in after all? Because as I mentioned earlier, all of them have something like the following in the file:

Code:
        <id
            name="id"
            column="AddressID"
            type="java.lang.Long"
        >
            <generator class="native">
              <!-- 
                  To add non XDoclet generator parameters, create a file named
                  hibernate-generator-params-Address.xml
                  containing the additional parameters and place it in your merge dir.
              -->
            </generator>
        </id>


Am I specifying the id generator incorrectly?
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max
 Post subject:
PostPosted: Mon Jul 10, 2006 1:56 am 
Hibernate Team
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Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
i'm saying that some id generator name is broken. looks like it is the empty string.

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jdcyuen
 Post subject:
PostPosted: Mon Jul 10, 2006 2:27 am 
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Joined: Sat Jul 08, 2006 2:58 pm
Posts: 26
Max, thank you for your help. You were correct. One of my .java class files had a typo in my XDoclet tag:

I had

/**
* @hibernate.id
* column=.bpSymptomID"
* generator-class="native"
*/


and it should have been

/**
* @hibernate.id
* column="bpSymptomID"
* generator-class="native"
*/


So naturally when I generated my .hbm.xml file the

the generator class was a empty string as you said.
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