galera,
eu to tentando fazer upload de imagens e exibir na tela, assim que for carregado.
A aplicação ja consegue fazer o upload pro servidor e guardar em um diretorio especifico. Mas ele nao renderiza a imagem na tela e mostra esse erro
GRAVE: Servlet.service() for servlet [Faces Servlet] in context with path [/Condo] threw exception [null] with root cause
java.lang.NullPointerException
at org.primefaces.application.DynamicContentStreamer.streamDynamicContent(DynamicContentStreamer.java:78)
at org.primefaces.application.DynamicContentStreamer.beforePhase(DynamicContentStreamer.java:57)
at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:228)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:99)
at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:110)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:310)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
<p:fileUpload fileUploadListener="#{moduloMb.enviarImagem}" auto="true" customUI="false" allowTypes="*.jpg;*.png;*.gif;" description="Images" update="outputPanelUpload"/>
<p:outputPanel id="outputPanelUpload">
<p:graphicImage value="#{moduloMb.imagemEnviada}" >
</p:graphicImage>
</p:outputPanel>
private StreamedContent imagemEnviada = new DefaultStreamedContent();
private String imagemTemporaria;
public void enviarImagem(FileUploadEvent event)
{
byte[] img = event.getFile().getContents();
imagemTemporaria = "D:\\Projetos\\Condo\\imagens\\" + event.getFile().getFileName();
String arquivo = imagemTemporaria;
criaArquivo(img, arquivo);
}
Alguem ja viu esse erro?