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Video: Mini-curso de Desenvolvimento Web no Eclipse - Parte 13 (Aula 12) - Integração com Apache Commons Upload
Nesta vídeo aula continuaremos o aprofundamento no framework Struts2, abordamos a integração dele com o Apache Commons Upload.
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Titulo: Mini-curso de Desenvolvimento Web no Eclipse - Parte 13 (Aula 12) - Integração com Apache Commons Upload
Duração: 00:12:22
Mini-resumo: Continuando o aprofundamento no framework Struts2, abordamos a
integração dele com o Apache Commons Upload que facilita bastante o envio (upload) de arquivos em aplicações Web. O Struts2 possui uma tag própria para campos do tipo "file", faz toda o tratamento do arquivo e o disponibiliza na ação como um objeto File já pronto para a sua lógica de negócio.
Exemplos utilizados: Um formulário simples de envio de arquivo que é recebido pela ação do Struts2, que calcula o tamanho do arquivo e exibe, na página de
resultado, o nome do arquivo (no cliente e no servidor), seu tamanho (em
bytes, KB e MB) e seu tipo (content type).
Tecnologias utilizadas: Java, Eclipse, Tomcat, Struts2, FreeMarker, Apache Commons Upload
2 COMENTÁRIOS
Prezado Vítor
configurei e codifiquei tudo conforme a video-aula, mais no momento de fazer o 1º teste executando o servidor...
Console do servidor ao rodar a aplicação:
15/02/2010 19:16:47 org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Arquivos de programas\Java\jre6\bin;.;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\Arquivos de programas\Java\jre6\bin\client;C:\Arquivos de programas\Java\jre6\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;c:\Arquivos de programas\Microsoft SQL Server\90\Tools\binn\;C:\Arquivos de programas\QuickTime\QTSystem\;C:\Arquivos de programas\Java\jdk1.6.0_18\bin;C:\Arquivos de programas\Arquivos comuns\Ahead\Lib\
15/02/2010 19:16:47 org.apache.tomcat.util.digester.SetPropertiesRule begin
WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property ''source'' to ''org.eclipse.jst.jee.server:Minicurso'' did not find a matching property.
15/02/2010 19:16:47 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
15/02/2010 19:16:47 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 738 ms
15/02/2010 19:16:47 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
15/02/2010 19:16:47 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.24
15/02/2010 19:16:49 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
15/02/2010 19:16:49 org.springframework.web.context.ContextLoader initWebApplicationContext
INFO: Root WebApplicationContext: initialization started
15/02/2010 19:16:49 org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.web.context.support.XmlWebApplicationContext@16921fd: display name [Root WebApplicationContext]; startup date [Mon Feb 15 19:16:49 GMT-03:00 2010]; root of context hierarchy
15/02/2010 19:16:49 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from ServletContext resource [/WEB-INF/applicationContext.xml]
15/02/2010 19:16:49 org.springframework.context.support.AbstractApplicationContext obtainFreshBeanFactory
INFO: Bean factory for application context [org.springframework.web.context.support.XmlWebApplicationContext@16921fd]: org.springframework.beans.factory.support.DefaultListableBeanFactory@1a918d5
15/02/2010 19:16:49 org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
INFO: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@1a918d5: defining beans [aplEfetuarCompra,scopedTarget.carrinhoCompras,carrinhoCompras]; root of factory hierarchy
15/02/2010 19:16:50 org.springframework.web.context.ContextLoader initWebApplicationContext
INFO: Root WebApplicationContext: initialization completed in 1359 ms
15/02/2010 19:16:50 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-default.xml]
15/02/2010 19:16:51 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts-plugin.xml]
15/02/2010 19:16:51 com.opensymphony.xwork2.config.providers.XmlConfigurationProvider register
INFO: Parsing configuration file [struts.xml]
15/02/2010 19:16:51 org.apache.struts2.config.Settings getLocale
WARNING: Settings: Could not parse struts.locale setting, substituting default VM locale
15/02/2010 19:16:51 org.apache.struts2.spring.StrutsSpringObjectFactory
INFO: Initializing Struts-Spring integration...
15/02/2010 19:16:51 com.opensymphony.xwork2.spring.SpringObjectFactory setAutowireStrategy
INFO: Setting autowire strategy to name
15/02/2010 19:16:51 org.apache.struts2.spring.StrutsSpringObjectFactory
INFO: ... initialized Struts-Spring integration successfully
15/02/2010 19:16:52 com.opensymphony.xwork2.util.ObjectTypeDeterminerFactory
INFO: Setting DefaultObjectTypeDeterminer as default ...
15/02/2010 19:16:52 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
15/02/2010 19:16:52 org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
15/02/2010 19:16:52 org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/63 config=null
15/02/2010 19:16:52 org.apache.catalina.startup.Catalina start
INFO: Server startup in 4388 ms
e não mostra a pagina de resultado.
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Filter execution threw an exception org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
root cause
java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream org.apache.commons.fileupload.disk.DiskFileItemFactory.createItem(DiskFileItemFactory.java:196) org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:358) org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.parse(JakartaMultiPartRequest.java:90) org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper.(MultiPartRequestWrapper.java:73) org.apache.struts2.dispatcher.Dispatcher.wrapRequest(Dispatcher.java:698) org.apache.struts2.dispatcher.FilterDispatcher.prepareDispatcherAndWrapRequest(FilterDispatcher.java:334) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:394) org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
root cause
java.lang.ClassNotFoundException: org.apache.commons.io.output.DeferredFileOutputStream org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1484) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329) org.apache.commons.fileupload.disk.DiskFileItemFactory.createItem(DiskFileItemFactory.java:196) org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:358) org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.parse(JakartaMultiPartRequest.java:90) org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper.(MultiPartRequestWrapper.java:73) org.apache.struts2.dispatcher.Dispatcher.wrapRequest(Dispatcher.java:698) org.apache.struts2.dispatcher.FilterDispatcher.prepareDispatcherAndWrapRequest(FilterDispatcher.java:334) org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:394) org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:83) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.24 logs.
Apache Tomcat/6.0.24
15/02/2010 19:18:22 org.apache.struts2.dispatcher.Dispatcher getSaveDir
INFO: Unable to find ''struts.multipart.saveDir'' property setting. Defaulting to javax.servlet.context.tempdir
15/02/2010 19:18:22 org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet default threw exception
java.lang.ClassNotFoundException
: org.apache.commons.io.output.DeferredFileOutputStreamat org.apache.catalina.loader.WebappClassLoader.loadClass(
WebappClassLoader.java:1484)at org.apache.catalina.loader.WebappClassLoader.loadClass(
WebappClassLoader.java:1329)at org.apache.commons.fileupload.disk.DiskFileItemFactory.createItem(
DiskFileItemFactory.java:196)at org.apache.commons.fileupload.FileUploadBase.parseRequest(
FileUploadBase.java:358)at org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest.parse(
JakartaMultiPartRequest.java:90)at org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper.
at org.apache.struts2.dispatcher.Dispatcher.wrapRequest(
Dispatcher.java:698)at org.apache.struts2.dispatcher.FilterDispatcher.prepareDispatcherAndWrapRequest(
FilterDispatcher.java:334)at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(
FilterDispatcher.java:394)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:206)at org.springframework.web.filter.RequestContextFilter.doFilterInternal(
RequestContextFilter.java:83)at org.springframework.web.filter.OncePerRequestFilter.doFilter(
OncePerRequestFilter.java:76)at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java:235)at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:206)at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:233)at org.apache.catalina.core.StandardContextValve.invoke(
StandardContextValve.java:191)at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:127)at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:102)at org.apache.catalina.core.StandardEngineValve.invoke(
StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:298)at org.apache.coyote.http11.Http11Processor.process(
Http11Processor.java:852)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(
Http11Protocol.java:588)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(
JIoEndpoint.java:489)at java.lang.Thread.run(Unknown Source)
Pode me ajudar??
em 15/2/2010 20:34 - Responder
Vítor Estêvão Silva Souzaem 16/2/2010 08:49 - Responder
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