[nbj2ee] Hibernate wizard for mapping files and POJOs failing

  • From: "ivancruz" < >
  • To:
  • Subject: [nbj2ee] Hibernate wizard for mapping files and POJOs failing
  • Date: Wed, 15 Aug 2012 16:24:16 -0400

I have just one prior experience using Hibernate + PostgreSQL in a web 
application using Eclipse. In a new assignment I will be using Hibernate + 
Firebird and trying NetBeans for the first time. To get a foothold on the IDE 
I followed instructions on that tutorial:

http://netbeans.org/kb/docs/web/hibernate-webapp.html

So far I was successful on:

. adding the Firebird JDBC driver to the IDE;
. creating a databse connection;
. executing commands over that database connection;
. creating a HibernateUtil.java; and
. running the Hibernate reverse engeneering wizard.

The next step on the tutorial would be generating the mapping files and 
POJOs. That wizard throws a NullPointerException, the stack trace (from IDE 
log) folows:


> INFO [org.netbeans.modules.hibernate.util.CustomJDBCConnectionProvider]: 
> Loaded JDBC driver 
> INFO [org.netbeans.modules.hibernate.util.CustomJDBCConnectionProvider]: 
> Got connection.. returning
> SEVERE [org.openide.util.Exceptions]
> java.lang.NullPointerException
>       at 
> org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:86)
>       at 
> org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2005)
>       at 
> org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC(JDBCMetaDataConfiguration.java:40)
> [catch] at 
> org.netbeans.modules.hibernate.wizards.HibernateCodeGenWizard.generateClasses(HibernateCodeGenWizard.java:338)
>       at 
> org.netbeans.modules.hibernate.wizards.HibernateCodeGenWizard.instantiate(HibernateCodeGenWizard.java:442)
>       at 
> org.openide.loaders.TemplateWizard$InstantiatingIteratorBridge.instantiate(TemplateWizard.java:1046)
>       at 
> org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:617)
>       at 
> org.openide.loaders.TemplateWizard.instantiateNewObjects(TemplateWizard.java:426)
>       at 
> org.openide.loaders.TemplateWizardIterImpl.instantiate(TemplateWizardIterImpl.java:252)
>       at 
> org.openide.loaders.TemplateWizardIteratorWrapper$ProgressInstantiatingIterator.instantiate(TemplateWizardIteratorWrapper.java:180)
>       at 
> org.openide.WizardDescriptor.callInstantiateOpen(WizardDescriptor.java:1566)
>       at 
> org.openide.WizardDescriptor.callInstantiate(WizardDescriptor.java:1521)
>       at org.openide.WizardDescriptor.access$1800(WizardDescriptor.java:139)
>       at 
> org.openide.WizardDescriptor$Listener$2$1.run(WizardDescriptor.java:2134)
>       at 
> org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1411)
>       at 
> org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1991)
> INFO [org.hibernate.tool.Version]: Hibernate Tools 3.2.1.GA
> 


I have tried NetBeans 7.2 and 7.1.2 with similar outcomes.

Any ideas?

Ivan.






[nbj2ee] Hibernate wizard for mapping files and POJOs failing

ivancruz 08/15/2012

[nbj2ee] Re: Hibernate wizard for mapping files and POJOs failing

Sergey B. Petrov 08/17/2012

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