Re: [ojb-users] Problem with incrementing the primary key

[Thomas M. <tho...@ho...>]

Hi Gonvindarajan,

This is simple to fix:

To use the OJB sequence numbering you'll need:
1. The OJB internal table and OJB_HL_SEQ must be in your target database.

2. ClassDescriptors for class ojb.broker.util.sequence.HighLowSequence 
must be declared in your repository.
in the OJB distribution this descriptor resides in the file 
repository_internal.xml

Just have a look at the repository.xml file how to include this file 
with internal mappings into your own repository file.

hth,

Thomas

Govindarajan S (Gover) wrote:

> HI,
> I tried out the examples from tutorial1. When i set the autoincrement to
> true in the repository.xml i get an exception like the one below, i used the
> ojb.properties file that shipped along with the installable.
> 
> what am i missing here?
> 
> gover
> 
> D:\OjbTest\UserDetails\src>java com.ojb.userdetails.UserDetailsClient
> [BOOT] INFO: OJB.properties: file:/D:/OjbTest/UserDetails/src/OJB.properties
> [ojb.broker.ta.ConfigurationProperties] INFO:
> ojb.broker.ta.ConfigurationPropert
> ies read OJB.properties
> [ojb.broker.ta.ConfigurationProperties] INFO: OJB.properties:
> file:/D:/OjbTest/U
> serDetails/src/OJB.properties
> [BOOT] INFO: OJB.properties: file:/D:/OjbTest/UserDetails/src/OJB.properties
> [ojb.broker.ta.PersistenceBrokerFactoryFactory] INFO: Implementation of
> Persiste
> ncebrokerFactory: ojb.broker.ta.PersistenceBrokerFactoryDefaultImpl
> [DEFAULT] ERROR: ojb.broker.util.sequence.HighLowSequence not found in OJB
> Repos
> itory
> ojb.broker.util.sequence.HighLowSequence not found in OJB Repository
>         at
> ojb.broker.metadata.DescriptorRepository.getDescriptorFor(DescriptorR
> epository.java:147)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.getClassDescriptor(Persiste
> nceBrokerImpl.java:1445)
>         at ojb.broker.Identity.<init>(Identity.java:108)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.getObjectByExample(Persiste
> nceBrokerImpl.java:1161)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.getObjectByQuery(Persistenc
> eBrokerImpl.java:1206)
>         at
> ojb.broker.util.sequence.SequenceManagerHighLowImpl.getUniqueId(Seque
> nceManagerHighLowImpl.java:84)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.getUniqueId(PersistenceBrok
> erImpl.java:1407)
>         at
> ojb.broker.metadata.ClassDescriptor.getAutoIncrementValue(ClassDescri
> ptor.java:750)
>         at
> ojb.broker.metadata.ClassDescriptor.getKeyValues(ClassDescriptor.java
> :639)
>         at ojb.broker.Identity.<init>(Identity.java:111)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.store(PersistenceBrokerImpl
> .java:307)
>         at
> com.ojb.userdetails.UserDetailsClient.addUserDetails(UserDetailsClien
> t.java:56)
>         at
> com.ojb.userdetails.UserDetailsClient.main(UserDetailsClient.java:40)
> 
> [DEFAULT] ERROR: OJB ERROR: Dont know how to autoincrement field class
> com.ojb.u
> serdetails.UserDetails._id
> java.lang.RuntimeException: OJB ERROR: Dont know how to autoincrement field
> clas
> s com.ojb.userdetails.UserDetails._id
>         at
> ojb.broker.metadata.ClassDescriptor.getAutoIncrementValue(ClassDescri
> ptor.java:809)
>         at
> ojb.broker.metadata.ClassDescriptor.getKeyValues(ClassDescriptor.java
> :639)
>         at ojb.broker.Identity.<init>(Identity.java:111)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.store(PersistenceBrokerImpl
> .java:307)
>         at
> com.ojb.userdetails.UserDetailsClient.addUserDetails(UserDetailsClien
> t.java:56)
>         at
> com.ojb.userdetails.UserDetailsClient.main(UserDetailsClient.java:40)
> 
> [DEFAULT] ERROR: OJB ERROR: Dont know how to autoincrement field class
> com.ojb.u
> serdetails.UserDetails._id
> OJB ERROR: Dont know how to autoincrement field class
> com.ojb.userdetails.UserDe
> tails._id
>         at
> ojb.broker.metadata.ClassDescriptor.getKeyValues(ClassDescriptor.java
> :645)
>         at ojb.broker.Identity.<init>(Identity.java:111)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.store(PersistenceBrokerImpl
> .java:307)
>         at
> com.ojb.userdetails.UserDetailsClient.addUserDetails(UserDetailsClien
> t.java:56)
>         at
> com.ojb.userdetails.UserDetailsClient.main(UserDetailsClient.java:40)
> 
> ----- Persistence Broker Exp ------
> OJB ERROR: Dont know how to autoincrement field class
> com.ojb.userdetails.UserDe
> tails._id
>         at ojb.broker.Identity.<init>(Identity.java:119)
>         at
> ojb.broker.singlevm.PersistenceBrokerImpl.store(PersistenceBrokerImpl
> .java:307)
>         at
> com.ojb.userdetails.UserDetailsClient.addUserDetails(UserDetailsClien
> t.java:56)
>         at
> com.ojb.userdetails.UserDetailsClient.main(UserDetailsClient.java:40)
> 
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