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Flavio Duarte  
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 More options Jul 30 2011, 1:50 pm
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Sat, 30 Jul 2011 14:50:50 -0300
Local: Sat, Jul 30 2011 1:50 pm
Subject: GAE startup
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Boa tarde pessoal,
estava usando minha aplicação hoje a tarde no GAE e ela começou a não
responder mais, comecei a olhar os logs e teve alguns desses problemas aqui

com.google.apphosting.api.DeadlineExceededException: This request
(0f20277dbc01399e) started at 2011/07/30 16:48:24.109 UTC and was
still executing at 2011/07/30 16:48:54.931 UTC.

Uncaught exception from servlet
org.apache.xerces.parsers.ObjectFactory$ConfigurationError: Provider
org.apache.xerces.parsers.XIncludeAwareParserConfiguration could not
be instantiated: com.google.apphosting.api.DeadlineExceededException:
This request (a58ff55da93c9c6a) started at 2011/07/30 17:28:38.326 UTC
and was still executing at 2011/07/30 17:29:07.985 UTC.

estou usando objectify e spring no projeto, alguém já teve isso ou o
que pode ser?


 
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Miguel Cartagena  
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 More options Aug 1 2011, 7:46 am
From: Miguel Cartagena <miguel.cartag...@gmail.com>
Date: Mon, 1 Aug 2011 04:46:09 -0700 (PDT)
Local: Mon, Aug 1 2011 7:46 am
Subject: Re: GAE startup
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Flavio,

Uma das restrições do GAE é que uma requisição HTTP deve durar no máximo
30s. Se o processamento passar disso, o servidor do GAE automaticamente
retornará uma timeout.

Veja que tinha de processamento está sendo executado e tente dividir - na
própria página do objectify tem um exemplo usando cursor.

Abraços


 
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Flavio Duarte  
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 More options Aug 1 2011, 10:03 am
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 11:03:40 -0300
Local: Mon, Aug 1 2011 10:03 am
Subject: Re: GAE startup
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Olá,
eu sei dessa limitação
esse problema estava acontecendo no startup da aplicação

depois de um tempo voltou a funcionar normal, isso que é estranho

Em 1 de agosto de 2011 08:46, Miguel Cartagena
<miguel.cartag...@gmail.com>escreveu:


 
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Bruno Fuster  
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 More options Aug 1 2011, 10:05 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 11:05:02 -0300
Local: Mon, Aug 1 2011 10:05 am
Subject: Re: GAE startup
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Flavio, tudo bem?

Algumas dicas:

- Troque o Spring por Pico
- Desabilite annotation scan e crie seu CustomProvider

Você habilitou o Always On ? Caso sim, quanto tempo leva suas requests na
URI /_ah/warmup ?
Sem o always on sua app vai iniciar quando acessar alguma página, então o
tempo de startup + o tempo de processar os dados dessa página pode ser um
problema. Na segunda request funcionaria de boa talvez.

Abs,

2011/8/1 Miguel Cartagena <miguel.cartag...@gmail.com>

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Flavio Duarte  
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 More options Aug 1 2011, 10:08 am
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 11:08:00 -0300
Subject: Re: GAE startup
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Vou fazer isso e trago o feedback

Em 1 de agosto de 2011 11:05, Bruno Fuster <brunofus...@gmail.com> escreveu:


 
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Bruno Fuster  
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 More options Aug 1 2011, 10:13 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 11:13:51 -0300
Local: Mon, Aug 1 2011 10:13 am
Subject: Re: GAE startup
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Exemplo do custom provider com Pico:

http://www.koders.com/java/fidDAB90D74D11B2D71585A44240AC5F212D4E38D2...

ai é só por no web.xml

   <context-param>

    <param-name>br.com.caelum.vraptor.provider</param-name>

    <param-value>br.com.suaapp.vraptor.CustomProvider</param-value>

</context-param>

<context-param>

<param-name>br.com.caelum.vraptor.scanning</param-name>

        <param-value>disabled</param-value>

</context-param>

Outra dica Flavio é habilitar o appstats e ver o numero de RPCs que sua app
faz ao iniciar, talvez você consiga estudar e minimizar essas chamadas.

Para ativar adicione um filtro e uma servlet (coloque a URI /appstats no seu
security-constraint):

   <servlet>

        <servlet-name>appstats</servlet-name>

        <servlet-class>com.google.appengine.tools.appstats.AppstatsServlet</
servlet-class>

</servlet>

<servlet-mapping>

        <servlet-name>appstats</servlet-name>

        <url-pattern>/appstats/*</url-pattern>

</servlet-mapping>

   <filter>

       <filter-name>appstats</filter-name>

       <filter-class>com.google.appengine.tools.appstats.AppstatsFilter</
filter-class>

       <init-param>

           <param-name>logMessage</param-name>

           <param-value>Appstats available: /appstats/details?time={ID}</
param-value>

        </init-param>

</filter>

<filter-mapping>

       <filter-name>appstats</filter-name>

       <url-pattern>/*</url-pattern>

</filter-mapping>

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>

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Flavio Duarte  
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 More options Aug 1 2011, 10:15 am
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 11:15:15 -0300
Local: Mon, Aug 1 2011 10:15 am
Subject: Re: GAE startup
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Blz, muito obrigado pelas discas
como é que posso fazer para habilitar as urls com /_ah/?

E você usa objectify?

Em 1 de agosto de 2011 11:13, Bruno Fuster <brunofus...@gmail.com> escreveu:


 
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Bruno Fuster  
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 More options Aug 1 2011, 10:17 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 11:17:54 -0300
Local: Mon, Aug 1 2011 10:17 am
Subject: Re: GAE startup
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Uso sim.

Para habilitar as URLs com /_ah voce precisa fazer um CustomVraptor:

   public class CustomVRaptor extends VRaptor {

 @Override

public void doFilter(ServletRequest req, ServletResponse res,

 FilterChain chain) throws IOException, ServletException {

  String uri = ((HttpServletRequest)req).getRequestURI();

  if (uri.startsWith("/_ah") || uri.startsWith("/appstats")) {

 chain.doFilter(req, res);

 } else {

 super.doFilter(req, res, chain);

 }

}

 }

e alterar no webxml:

   <filter>

<filter-name>vraptor</filter-name>

<filter-class>br.com.suaapp.vraptor.CustomVRaptor</filter-class>

</filter>

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>

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Flavio Duarte  
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 More options Aug 1 2011, 10:22 am
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 11:22:34 -0300
Local: Mon, Aug 1 2011 10:22 am
Subject: Re: GAE startup
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Entendi,
não estou no computador do projeto, quando eu estiver eu faço isso

a minha dúvida do objectify era a seguinte

eu faço os registros das minhas classes junto com a minha classe factory
mas aqui http://code.google.com/p/objectify-appengine/wiki/BestPractices tem
algo que fala sobre registos só que não entendi direito
ai queria saber como você faz o registro

Em 1 de agosto de 2011 11:17, Bruno Fuster <brunofus...@gmail.com> escreveu:


 
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Bruno Fuster  
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 More options Aug 1 2011, 10:22 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 11:22:46 -0300
Local: Mon, Aug 1 2011 10:22 am
Subject: Re: GAE startup
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Desculpem o código zuado ae :(

Segue: https://gist.github.com/1118212

2011/8/1 Bruno Fuster <brunofus...@gmail.com>

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Flavio Duarte  
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 More options Aug 1 2011, 10:24 am
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 11:24:35 -0300
Local: Mon, Aug 1 2011 10:24 am
Subject: Re: GAE startup
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Eu tinha entendido o código, sem problemas :)

Em 1 de agosto de 2011 11:22, Bruno Fuster <brunofus...@gmail.com> escreveu:


 
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Lucas Cavalcanti  
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 More options Aug 1 2011, 10:29 am
From: Lucas Cavalcanti <lucasmrtu...@gmail.com>
Date: Mon, 1 Aug 2011 11:29:15 -0300
Local: Mon, Aug 1 2011 10:29 am
Subject: Re: GAE startup
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quanto ao scan, tem como fazer ele estático, daí vc não precisa criar o
custom provider:

execute o main dessa classe:
http://vraptor.caelum.com.br/javadoc/br/com/caelum/vraptor/scan/VRapt...
e passe o caminho do web.xml como argumento.

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>


 
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Bruno Fuster  
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 More options Aug 1 2011, 11:30 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 12:30:47 -0300
Local: Mon, Aug 1 2011 11:30 am
Subject: Re: GAE startup
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Valeu Lucas!!!! Estou gerando static aqui agora :D

Cara, uma vez o Sérgio comentou de um prototipo para cachear estruturas
caras do VRaptor para os proximos inits. Existe algo que possa ser usado?
Caso não, qual seria a idéia? Cachear o Webappbootstrap ?

@Flavio

Certo,

Eu tenho um DataStoreTemplate.class aqui que é um @Component
@ApplicationScoped e não é @Lazy. O VRaptor sempre vai inicializar esse
componente ao startar a app. Nesse componente eu registro minhas classes
(usando static{} mesmo).

O problema que eles citam é que se você usar o ObjectifyService.register()
direto da classe que você quer registrar você pode ter problemas porque a
JVM inicializa classes sob-demanda então não da pra garantir que ela será
inicializada ao startar a app.

[]s

2011/8/1 Lucas Cavalcanti <lucasmrtu...@gmail.com>

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Lucas Cavalcanti  
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 More options Aug 1 2011, 11:50 am
From: Lucas Cavalcanti <lucasmrtu...@gmail.com>
Date: Mon, 1 Aug 2011 12:50:18 -0300
Local: Mon, Aug 1 2011 11:50 am
Subject: Re: GAE startup
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se vc gera o static webbapp, ele já está cacheado. Acho que é isso que o
sergio quis dizer

2011/8/1 Bruno Fuster <brunofus...@gmail.com>

...

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Bruno Fuster  
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 More options Aug 1 2011, 11:51 am
From: Bruno Fuster <brunofus...@gmail.com>
Date: Mon, 1 Aug 2011 12:51:27 -0300
Local: Mon, Aug 1 2011 11:51 am
Subject: Re: GAE startup
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perfeito! valeu mesmo!! startup time ta entre 2~3 segundos, muito bom!

2011/8/1 Lucas Cavalcanti <lucasmrtu...@gmail.com>

...

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Flavio Duarte  
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 More options Aug 1 2011, 12:07 pm
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 13:07:44 -0300
Local: Mon, Aug 1 2011 12:07 pm
Subject: Re: GAE startup
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Achei um gist do Garcia sobre registro do objectify, é como estou fazendo
https://gist.github.com/1064225

:)

você poderia colocar como usou o staticscanning?

Em 1 de agosto de 2011 12:51, Bruno Fuster <brunofus...@gmail.com> escreveu:

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Otávio Garcia  
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 More options Aug 1 2011, 8:59 pm
From: Otávio Garcia <ota...@otavio.com.br>
Date: Mon, 1 Aug 2011 21:59:01 -0300
Local: Mon, Aug 1 2011 8:59 pm
Subject: Re: GAE startup
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Oi pessoal.

Atualizei o meu gist com um modo mais elegante de usar Objectify. Por favor,
me corrijam se houver uma forma melhor. Em breve quero criar um cookbook
sobre Objectify com VRaptor. https://gist.github.com/1064225

Outra coisa que eu fiz foi adicionar uma task para gerar a classe que o
Lucas citou no momento do build/update pro GAE/J.
https://gist.github.com/1119370

Abraços

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>

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Flavio Duarte  
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 More options Aug 1 2011, 9:25 pm
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 22:25:41 -0300
Local: Mon, Aug 1 2011 9:25 pm
Subject: Re: GAE startup
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Não entendi direito, a única maneira de usar VRaptorStaticScanning é com a
task como o Garcia mostrou?

Em 1 de agosto de 2011 21:59, Otávio Garcia <ota...@otavio.com.br> escreveu:

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Otávio Garcia  
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 More options Aug 1 2011, 9:43 pm
From: Otávio Garcia <ota...@otavio.com.br>
Date: Mon, 1 Aug 2011 22:43:41 -0300
Local: Mon, Aug 1 2011 9:43 pm
Subject: Re: GAE startup
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Não. O VRaptor quando inicializa procura por uma classe chamada
br.com.caelum.vraptor.scan.VRaptorStaticScanning. Você pode gerar essa
classe via ant-task, pode rodar na mão a classe que o Lucas falou, ou pode
até mesmo fazer essa classe "na mão".

A ant-task é só para facilitar as coisas. Assim você roda a task update e
ele já faz tudo, criando o static-scanning, empacotando a aplicação e
enviando para o GAE.

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>

...

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Flavio Duarte  
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 More options Aug 1 2011, 9:51 pm
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 22:51:51 -0300
Local: Mon, Aug 1 2011 9:51 pm
Subject: Re: GAE startup
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Hm entendi
Vou fazer aqui

Em 1 de agosto de 2011 22:43, Otávio Garcia <ota...@otavio.com.br> escreveu:

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Flavio Duarte  
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 More options Aug 1 2011, 10:04 pm
From: Flavio Duarte <flaviogabr...@gmail.com>
Date: Mon, 1 Aug 2011 23:04:47 -0300
Local: Mon, Aug 1 2011 10:04 pm
Subject: Re: GAE startup
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Ele cria a classe StaticProjectBootstrap.class?
com essa é com o scanning desativado foi gritante a diferença

Em 1 de agosto de 2011 22:43, Otávio Garcia <ota...@otavio.com.br> escreveu:

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Lucas Cavalcanti  
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 More options Aug 1 2011, 10:22 pm
From: Lucas Cavalcanti <lucasmrtu...@gmail.com>
Date: Mon, 1 Aug 2011 23:22:31 -0300
Local: Mon, Aug 1 2011 10:22 pm
Subject: Re: GAE startup
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sim, o scan demora um pouco ;)

em apps normais essa demora é aceitável, no GAE não.

2011/8/1 Flavio Duarte <flaviogabr...@gmail.com>

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Otávio Garcia  
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 More options Aug 1 2011, 11:41 pm
From: Otávio Garcia <ota...@otavio.com.br>
Date: Tue, 2 Aug 2011 00:41:18 -0300
Local: Mon, Aug 1 2011 11:41 pm
Subject: Re: GAE startup
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Lucas, apenas criando a StaticProjectBootstrap não é a mesma coisa que
desativar no web.xml via br.com.caelum.vraptor.scanning?

2011/8/1 Lucas Cavalcanti <lucasmrtu...@gmail.com>

...

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Lucas Cavalcanti  
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 More options Aug 1 2011, 11:52 pm
From: Lucas Cavalcanti <lucasmrtu...@gmail.com>
Date: Tue, 2 Aug 2011 00:52:44 -0300
Local: Mon, Aug 1 2011 11:52 pm
Subject: Re: GAE startup
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teoricamente sim

2011/8/2 Otávio Garcia <ota...@otavio.com.br>

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