Eu só achei uma solução, excluir a linha no zk.xml

Slide 27
<value>comp2web_persistence_unit</value>

 no zk.xml, alguém pode me dizer se isso vai causar alguma complicação lá
frente?

Em 28 de julho de 2010 21:01, Romulo Freires <[email protected]>escreveu:

> Já que eu não consigo fazer um projeto que funcione o zk e JPA Eu peguei
> aquele projeto com2web, já que ele já tinha os arquivos de zk e JPA e to
> refazendo meu projeto nele.
>
> mas qualquer vista que elaboro dar esse erro aqui quando eu dou run
>
> *type* Exception report
>
> *message* **
>
> *description* *The server encountered an internal error () that prevented
> it from fulfilling this request.*
>
> *exception*
>
> javax.servlet.ServletException: Servlet execution threw an exception
>
>  *root cause*
>
> java.lang.ExceptionInInitializerError
>       
> org.zkoss.zkplus.jpa.JpaUtil.createEntityManagerFactory(JpaUtil.java:260)
>       org.zkoss.zkplus.jpa.JpaUtil.initEntityManagerFactory(JpaUtil.java:213)
>       org.zkoss.zkplus.jpa.JpaUtil.createEntityManager(JpaUtil.java:272)
>       org.zkoss.zkplus.jpa.JpaUtil.initEntityManger(JpaUtil.java:232)
>       org.zkoss.zkplus.jpa.JpaUtil.getEntityManager(JpaUtil.java:142)
>       
> org.zkoss.zkplus.jpa.OpenEntityManagerInViewListener.init(OpenEntityManagerInViewListener.java:72)
>       
> org.zkoss.zk.ui.util.Configuration.invokeExecutionInits(Configuration.java:817)
>       org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:333)
>       org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:286)
>       
> org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:237)
>       
> org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:159)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
>  *root cause*
>
> javax.persistence.PersistenceException: No Persistence provider for 
> EntityManager named comp2web_persistence_unit
>       
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:54)
>       
> javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32)
>       
> org.zkoss.zkplus.jpa.JpaUtil.createEntityManagerFactory(JpaUtil.java:252)
>       org.zkoss.zkplus.jpa.JpaUtil.initEntityManagerFactory(JpaUtil.java:213)
>       org.zkoss.zkplus.jpa.JpaUtil.createEntityManager(JpaUtil.java:272)
>       org.zkoss.zkplus.jpa.JpaUtil.initEntityManger(JpaUtil.java:232)
>       org.zkoss.zkplus.jpa.JpaUtil.getEntityManager(JpaUtil.java:142)
>       
> org.zkoss.zkplus.jpa.OpenEntityManagerInViewListener.init(OpenEntityManagerInViewListener.java:72)
>       
> org.zkoss.zk.ui.util.Configuration.invokeExecutionInits(Configuration.java:817)
>       org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage0(UiEngineImpl.java:333)
>       org.zkoss.zk.ui.impl.UiEngineImpl.execNewPage(UiEngineImpl.java:286)
>       
> org.zkoss.zk.ui.http.DHtmlLayoutServlet.process(DHtmlLayoutServlet.java:237)
>       
> org.zkoss.zk.ui.http.DHtmlLayoutServlet.doGet(DHtmlLayoutServlet.java:159)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>
>
> Alguém sabe resolver?
>
> Em 28 de julho de 2010 15:42, Felipe Costa 
> <[email protected]>escreveu:
>
> Lembrando que com o ZK, voce pode usar a classe JPAUtil pra pegar o
>> EntityManager.
>> Voce não vão precisar pegar o EntityManagerFactory e nem usar
>> transacation, desde que tudo esteja configurado no zk.xml. ;-)
>>
>>
>> Abs
>> --
>> Felipe Costa
>> Undergraduating in Computer Science at UFRJ
>> Black belt <http://www.blackbeltfactory.com/ui#User/fcosta> on
>> JavaBlackBelt  <http://www.blackbeltfactory.com/ui#User/fcosta>
>>
>>
>>
>> 2010/7/28 Romulo Freires <[email protected]>
>>
>>> vlw felipe
>>>
>>> Em 28 de julho de 2010 15:17, Felipe Costa 
>>> <[email protected]>escreveu:
>>>
>>> Voce vai criar o projeto em ZK normalmente.
>>>> Na pasta src voce vai colocar o o arquivo persistence.xml na pasta
>>>> META-INF e log.xml(ou algo assim).
>>>> Depois disso voce vai ter que configurar zk.xml pra usar o JPA. Dá uma
>>>> olhada no projeto que tá no site, lá ta tudo configurado!
>>>>
>>>> Abs
>>>> --
>>>> Felipe Costa
>>>> Undergraduating in Computer Science at UFRJ
>>>> Black belt <http://www.blackbeltfactory.com/ui#User/fcosta> on
>>>> JavaBlackBelt  <http://www.blackbeltfactory.com/ui#User/fcosta>
>>>>
>>>>
>>>>
>>>> 2010/7/28 Peter P. Lupo <[email protected]>
>>>>
>>>> Parte do exemplo do Felipe que tem tudo. ;-)
>>>>>
>>>>> Depois eu posso explicar como faz pra criar do zero, mas agora não dá.
>>>>> Tô de saída.
>>>>>
>>>>> Abraço
>>>>>
>>>>> Peter P. Lupo
>>>>> http://craftnicely.blogspot.com - http://sites.google.com/site/pplupo
>>>>>  <http://sites.google.com/site/pplupo>MPS.BR Authorized Implementation
>>>>> Practitioner<http://www.softex.br/mpsbr/_profissionais/MPS.BR_certificados_de_arovacao_prova_P2-MPS.BR.pdf>-
>>>>>  Certified
>>>>> ScrumMaster <http://www.scrumalliance.org/pages/certified_scrummaster>
>>>>>  <http://www.scrumalliance.org/pages/certified_scrummaster>Sun
>>>>> Certified Java 
>>>>> Associate<http://www.sun.com/training/certification/java/scja.xml>- Java
>>>>> Black Belt <http://www.blackbeltfactory.com/ui#%21User/pplupo>
>>>>>  <http://www.blackbeltfactory.com/ui#%21User/pplupo>+55 (021) 81742487
>>>>>
>>>>>
>>>>>
>>>>> 2010/7/28 Romulo Freires <[email protected]>
>>>>>
>>>>> Agora eu to con dificuldade em ter um projeto zk e que também tenha os
>>>>>> arquivos do jpa.
>>>>>>
>>>>>> O eclipse dar a opção de criar um zk projeto e também JPA projeto, mas
>>>>>> é um ou outro.
>>>>>>
>>>>>> Quando eu levo o modelo e o controlador para o projeto zk, nada de JPA
>>>>>> é reconhecido.
>>>>>>
>>>>>> Alguém tem uma solução?
>>>>>>
>>>>>> :) não consegui sair nem desta parte simples ^^
>>>>>>
>>>>>> Em 28 de julho de 2010 08:47, Romulo Freires <
>>>>>> [email protected]> escreveu:
>>>>>>
>>>>>> vlw
>>>>>>>
>>>>>>> Em 27 de julho de 2010 22:59, Felipe Costa <
>>>>>>> [email protected]> escreveu:
>>>>>>>
>>>>>>> Esse "alguma coisa" é o nome do projeto. Voce pode ver isso no
>>>>>>>> arquivo web.xml, no começo dele tem o nome do projeto.
>>>>>>>>
>>>>>>>>
>>>>>>>> Abs
>>>>>>>> --
>>>>>>>> Felipe Costa
>>>>>>>> Undergraduating in Computer Science at UFRJ
>>>>>>>> Black belt <http://www.blackbeltfactory.com/ui#User/fcosta> on
>>>>>>>> JavaBlackBelt  <http://www.blackbeltfactory.com/ui#User/fcosta>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> 2010/7/27 Romulo Freires <[email protected]>
>>>>>>>>
>>>>>>>>> eu já configurei, agora eu quero ver um projeto(vista) na web
>>>>>>>>> , acho que tinha algo do tipo http://localhost:8080/algumacoisa na
>>>>>>>>> aula de zk
>>>>>>>>>
>>>>>>>>> to tentado ver aquele "primeiros passos" que você colocou no site.
>>>>>>>>> Em 27 de julho de 2010 19:05, Felipe Costa <
>>>>>>>>> [email protected]> escreveu:
>>>>>>>>>
>>>>>>>>> Dá uma olhada no slide, eu coloquei um passo a passo lá pra essa
>>>>>>>>>> parte de configuração.
>>>>>>>>>>
>>>>>>>>>> Abs
>>>>>>>>>> --
>>>>>>>>>> Felipe Costa
>>>>>>>>>> Undergraduating in Computer Science at UFRJ
>>>>>>>>>> Black belt <http://www.blackbeltfactory.com/ui#User/fcosta> on
>>>>>>>>>> JavaBlackBelt  <http://www.blackbeltfactory.com/ui#User/fcosta>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> 2010/7/27 Romulo Freires <[email protected]>
>>>>>>>>>>
>>>>>>>>>>>  Felipe
>>>>>>>>>>>
>>>>>>>>>>> Eu já instalei o tomcat 6, agora o que falta fazer?
>>>>>>>>>>>
>>>>>>>>>>> E como eu vejo um projeto na web?
>>>>>>>>>>>
>>>>>>>>>>> Estou dando run nos exemplo do site.
>>>>>>>>>>>
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>
>

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