Erro Stream Closed/download de arquivo com primefaces[RESOLVIDO]

Front-end
#1

Sempre que do cancelar no download, da esse erro. somento qdo cancelo, quando baixo normal nao acontecer esse erro, e algo no cancelar que tenho q tratar??

java.io.IOException: Stream Closed
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:220)
at org.primefaces.component.filedownload.FileDownloadActionListener.processAction(FileDownloadActionListener.java:71)
at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:769)
at javax.faces.component.UICommand.broadcast(UICommand.java:300)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:409)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
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:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

#2

alguem??

#3

poste o código de como está fazendo o download.

#4

[code]@ManagedBean(name = “fileDownloadBean”)
@SessionScoped

public class FileDownloadController {

private StreamedContent file;  
  
public FileDownloadController() throws FileNotFoundException {
    DownloadPG dDao = new DownloadPG();
    Download down = new Download();
    DownBean bean = new DownBean();

String idArquivoUrl = "";
    String tipoArquivo = "";
int idArquivo = 0;
    
    HttpSession s = (HttpSession) FacesContext.getCurrentInstance()
            .getExternalContext().getSession(true);
    
    try {
          idArquivoUrl = s.getAttribute("a").toString();

    } catch (Exception e) {
        
    }
      
    idArquivo = Integer.parseInt(idArquivoUrl);

// long l = bean.getDownloadSelecionado().getIdArquivo();

    down = dDao.dadosParaDownload(idArquivo);

    //dDao.inclur(0,iduser , idArquivo, data); incluir para os downloads realizados
    
    String nome = down.getNome();
    String tipo = down.getTipo();
    String url = down.getUrl();

    if (tipo.equals("jpg") || tipo.equals("JPG") || tipo.equals("png")) {
        tipoArquivo = "image";
    } else if (tipo.equals("txt") || tipo.equals("docx") || tipo.equals("xlsx") || tipo.equals("pdf")) {
        tipoArquivo = "application";
    }

    InputStream stream = new FileInputStream(url);
    file = new DefaultStreamedContent(stream, tipoArquivo + "/" + tipo, nome + "." + tipo);
}

public StreamedContent getFile() {  
    return file;  
}

}

[/code]

[code]<h:form >
<p:dialog modal=“true” widgetVar=“downloadArquivo” header=“Download Arquivo”
draggable=“false”
resizable=“false” width=“400” showEffect=“explode” hideEffect=“explode”>
<h:outputLabel value=“Deseja realmente fazer o download desse arquivo” />


#<h:outputLabel value="#{DownBean.downloadSelecionado.idArquivo}"/>#

                <p:commandButton value="Sim" onclick="PrimeFaces.monitorDownload(start, stop)"
                                 ajax="false" type="submit" >
                     <p:fileDownload value="#{fileDownloadBean.file}"  /> 
                </p:commandButton>
                
                <p:commandButton value="Nao" style="margin-left: 20px"
                                 onclick="downloadArquivo.close()"/>/

            </p:dialog>    
        </h:form>[/code]
#5

faltou isso tbm

[code] <p:tab title=“Downloads Disponiveis” id=“tabDownDisp”>

<h:panelGrid >
<p:dataTable id=“tableDownDisp” var=“arquivos” value="#{DownBean.listDonw}"
paginator=“true” rows=“5” rowKey="#{arquivos.idArquivo}"
selection="#{DownBean.downloadSelecionado}"
selectionMode=“single”
paginatorTemplate="{CurrentPageReport} {FirstPageLink} {PreviousPageLink}
{PageLinks} {NextPageLink} {LastPageLink} {RowsPerPageDropdown}"
rowsPerPageTemplate=“5,10”>

                                <p:column headerText="# id" style="width:185px" >
                                    <h:outputText value="#{arquivos.idArquivo}" />
                                </p:column>

                                <p:column headerText="Nome Do Arquivo" style="width:185px" >
                                    <h:outputText value="#{arquivos.nome}" />
                                </p:column>

                                <p:column headerText="Tipo" style="width:185px">
                                    <center>
                                        <h:outputText value="#{arquivos.tipo}" />
                                    </center>
                                </p:column>

                                <p:column headerText="Tamanho" style="width:185px">
                                    <center>
                                        <h:outputText value="#{arquivos.tamanho}" />
                                    </center>
                                </p:column>

                                <p:column headerText="Data de Upload" style="width:185px">
                                    <center>
                                        <h:outputText  value="#{arquivos.dataUpload}" >
                                            <f:convertDateTime  dateStyle="medium"/>
                                        </h:outputText>
                                    </center>
                                </p:column>

                                <p:column headerText="Compartilhado Por" style="width:185px">
                                    <center>
                                        <h:outputText value="#{arquivos.amigo}"  />
                                    </center>
                                </p:column>


                                <f:facet name="footer">
                                    <p:commandButton  value="Download" 
                                                      style="height: 45px;margin-left: 10px;width: 128px;"
                                                      icon="ui-icon-arrowthichk-s" 
                                                      oncomplete="downloadArquivo.show()"/>
                                </f:facet>

                            </p:dataTable>

                        </h:panelGrid>
                    </center>

                </p:tab>[/code]
#6

entao resolvi colocando tudo que estava no construtor para o getfile, nao sei se a maneiro correta, mas funciona!!!ate o momento

#7

Boa noite amigo vc teria como colocar os métodos que faltam do seu bean como :
DownloadPG dDao = new DownloadPG();
Download down = new Download();
DownBean bean = new DownBean();
dDao.dadosParaDownload(idArquivo); ?

#8