[hibernate-dev] Exceptions while trying to use HibernateOGM

Sanne Grinovero sanne at hibernate.org
Wed Aug 14 09:51:48 EDT 2013


Hi,
that's good feedback, thanks!

I've recorded it as https://hibernate.atlassian.net/browse/OGM-321

--Sanne


On 14 August 2013 13:29, Gunnar Morling <gunnar at hibernate.org> wrote:
> Hi,
>
> Please post usage questions to the forum [1], as this mailing list is about
> discussing the development of the Hibernate projects.
>
> That being said, the exception is caused by configuring a non-existent
> transaction factory class ("org.transaction.JDBCTransactionFactory"). Refer
> to the reference guide [2] to learn more about bootstrapping OGM.
>
> --Gunnar
>
> [1] https://forum.hibernate.org/viewforum.php?f=31
> [2]
> http://docs.jboss.org/hibernate/ogm/4.0/reference/en-US/html_single/#ogm-configuration
>
>
>
>
> 2013/8/14 Babak Bastan <babakbsn at gmail.com>
>
>> I would not have using mailing list this unless I was truely frustrated. I
>> want to implement a very simple example using HibernateOGM but I get some
>> exceptions, which I don't know really how can to solve them.
>>
>> in the main I have started with this lock of code:
>>             OgmConfiguration cfgogm=new OgmConfiguration();
>>             cfgogm.configure();
>>             serviceregistry=new
>>
>> ServiceRegistryBuilder().applySettings(cfgogm.getProperties()).buildServiceRegistry();
>>             sessionfactory=cfgogm.buildSessionFactory(serviceregistry);
>>
>> I can build my code successfully but if I run it  I get some exceptions:
>>
>> Exception in thread "main" org.hibernate.service.spi.ServiceException:
>> Unable to create requested service
>> [org.hibernate.engine.transaction.spi.TransactionFactory]
>> at
>>
>> org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:186)
>> at
>>
>> org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:150)
>> at
>>
>> org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131)
>> at
>> org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:180)
>> at
>>
>> org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2283)
>> at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2279)
>> at
>>
>> org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1748)
>> at hogm.hibernateogm_mongodb.App.main(App.java:33)
>> Caused by: org.hibernate.HibernateException: Unable to instantiate
>> specified TransactionFactory class [org.transaction.JDBCTransactionFactory]
>> at
>>
>> org.hibernate.engine.transaction.internal.TransactionFactoryInitiator.initiateService(TransactionFactoryInitiator.java:80)
>> at
>>
>> org.hibernate.ogm.transaction.impl.OgmTransactionFactoryInitiator.buildServiceInstance(OgmTransactionFactoryInitiator.java:61)
>> at
>>
>> org.hibernate.ogm.transaction.impl.OgmTransactionFactoryInitiator.buildServiceInstance(OgmTransactionFactoryInitiator.java:41)
>> at
>>
>> org.hibernate.ogm.service.impl.OptionalServiceInitiator.initiateService(OptionalServiceInitiator.java:37)
>> at
>>
>> org.hibernate.service.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:69)
>> at
>>
>> org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:176)
>> ... 7 more
>> Caused by: org.hibernate.service.classloading.spi.ClassLoadingException:
>> Unable to load class [org.transaction.JDBCTransactionFactory]
>> at
>>
>> org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:141)
>> at
>>
>> org.hibernate.engine.transaction.internal.TransactionFactoryInitiator.initiateService(TransactionFactoryInitiator.java:77)
>> ... 12 more
>> Caused by: java.lang.ClassNotFoundException: Could not load requested class
>> : org.transaction.JDBCTransactionFactory
>> at
>>
>> org.hibernate.service.classloading.internal.ClassLoaderServiceImpl$1.findClass(ClassLoaderServiceImpl.java:99)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
>> at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
>> at java.lang.Class.forName0(Native Method)
>> at java.lang.Class.forName(Class.java:266)
>> at
>>
>> org.hibernate.service.classloading.internal.ClassLoaderServiceImpl.classForName(ClassLoaderServiceImpl.java:138)
>> ... 13 more
>>
>> If I do this line of code comment, I see no exceptions:
>>
>>  sessionfactory=cfgogm.buildSessionFactory(serviceregistry);
>>
>> it is my *hibernate.cfg.xml:*
>> *
>> *
>> *
>> <?xml version="1.0" encoding="UTF-8"?>
>> <!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate
>> Configuration DTD 3.0//EN" "
>> http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
>> <hibernate-configuration>
>>   <session-factory>
>>       <property name="hibernate.o"></property>
>>     <property
>>
>> name="hibernate.transaction.factory_class">org.transaction.JDBCTransactionFactory</property>
>>     <property
>> name="hibernate.current_session_context_class">thread</property>
>>     <property
>>
>> name="hibernate.ogm.datastore.grid_dialect">org.hibernate.ogm.dialect.mongodb.MongoDBDialect</property>
>>     <property name="hibernate.ogm.datastore.provider">mongodb</property>
>>     <property name="hibernate.ogm.mongodb.database">rcfdb</property>
>>     <property name="hibernate.ogm.mongodb.host">127.0.0.1</property>
>>     <property name="hibernate.ogm.mongodb.port">27017</property>
>>     <mapping resource="hibernate-contact.hbm.xml"/>
>>   </session-factory>
>>
>> </hibernate-configuration>
>>
>>
>> *
>> could you please explain me, why I get this problem and how can I solve
>> this?
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>>
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