I have some issues with the <p:fileUpload> in Primefaces. At first I tried the snippets in the Documentation of Fileupload starting on page 2018. The first issue was that if I use the snippet, the upload function is not called:
public void upload() { System.out.println("This is never shown"); if(file != null) { System.out.println("This is never shown"); } } html:
<h:form enctype="multipart/form-data"> <p:fileUpload value="#{fileUploadView.file}" mode="simple" /> <p:commandButton value="Submit" action="#{fileUploadView.upload}" ajax="false"/> </h:form> I have tried many other snippets and solutions. Advanced mode, with fileUploadListener, deleted the enctype in h:form, ....
If I choose mode="simple" and combine it with ajax="true" the function FileUploadView.upload() is called, but the file is always NULL.
If I delete the enctype from the <h:form>, the function FileUploadView.upload() is called, but the file is always NULL.
I mention the issues above, because this should not work either, because I read all possible solutions on this forum. I also added all suggested dependencies and context-params and filter, but it does not work.
Here I will post my pom.xml, web.xml and the full .java code: pom.xml
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>at.qe</groupId> <artifactId>ASN_Application</artifactId> <version>1.0.0</version> <packaging>war</packaging> <name>ASN_Application</name> <description> </description> <repositories> <repository> <id>prime-repo</id> <name>Prime Repo</name> <url>http://repository.primefaces.org</url> </repository> <repository> <id>spring-releases</id> <url>https://repo.spring.io/libs-release</url> </repository> </repositories> <pluginRepositories> <pluginRepository> <id>spring-releases</id> <url>https://repo.spring.io/libs-release</url> </pluginRepository> </pluginRepositories> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.4.1.RELEASE</version> </parent> <properties> <start-class>at.qe.sepm.asn_app.Main</start-class> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.5</version> </dependency> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>org.primefaces.themes</groupId> <artifactId>all-themes</artifactId> <version>1.0.10</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-actuator</artifactId> </dependency> <dependency> <groupId>org.glassfish.web</groupId> <artifactId>el-impl</artifactId> <version>2.2</version> </dependency> <dependency> <groupId>javax.enterprise</groupId> <artifactId>cdi-api</artifactId> <version>2.0-PFD2</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-security</artifactId> </dependency> <dependency> <groupId>com.sun.faces</groupId> <artifactId>jsf-api</artifactId> <version>2.2.14</version> <scope>compile</scope> </dependency> <dependency> <groupId>com.sun.faces</groupId> <artifactId>jsf-impl</artifactId> <version>2.2.13</version> <scope>compile</scope> <optional>true</optional> </dependency> <dependency> <groupId>org.apache.tomcat.embed</groupId> <artifactId>tomcat-embed-core</artifactId> <scope>compile</scope> </dependency> <dependency> <groupId>org.apache.tomcat.embed</groupId> <artifactId>tomcat-embed-jasper</artifactId> <scope>compile</scope> </dependency> <dependency> <groupId>org.primefaces</groupId> <artifactId>primefaces</artifactId> <version>6.1</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.16</version> </dependency> <dependency> <groupId>com.lowagie</groupId> <artifactId>itext</artifactId> <version>2.1.7</version> </dependency> <!-- special test dependencies --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.security</groupId> <artifactId>spring-security-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>nl.jqno.equalsverifier</groupId> <artifactId>equalsverifier</artifactId> <version>2.1.6</version> <scope>test</scope> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>6.0.6</version> </dependency> </dependencies> <build> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> <!-- Enable jacoco analysis --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <configuration> <forkMode>once</forkMode> <argLine> ${coverageAgent} </argLine> <useSystemClassLoader>true</useSystemClassLoader> </configuration> </plugin> <plugin> <groupId>org.jacoco</groupId> <artifactId>jacoco-maven-plugin</artifactId> <version>0.7.6.201602180812</version> <configuration> <propertyName>coverageAgent</propertyName> </configuration> <executions> <execution> <goals> <goal>prepare-agent</goal> </goals> </execution> <execution> <id>report</id> <phase>prepare-package</phase> <goals> <goal>report</goal> </goals> </execution> </executions> </plugin> </plugins> </build> </project> web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" version="2.5"> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <error-page> <exception-type>org.springframework.security.access.AccessDeniedException</exception-type> <location>/error/access_denied.xhtml</location> </error-page> <context-param> <param-name>javax.faces.STATE_SAVING_METHOD</param-name> <param-value>server</param-value> </context-param> <context-param> <param-name>javax.faces.FACELETS_SKIP_COMMENTS</param-name> <param-value>true</param-value> </context-param> <context-param> <param-name>primefaces.FONT_AWESOME</param-name> <param-value>true</param-value> </context-param> <context-param> <param-name>primefaces.UPLOADER</param-name> <param-value>commons</param-value> </context-param> <filter> <filter-name>PrimeFaces FileUpload Filter</filter-name> <filter-class>org.primefaces.webapp.filter.FileUploadFilter</filter-class> </filter> <filter-mapping> <filter-name>PrimeFaces FileUpload Filter</filter-name> <servlet-name>Faces Servlet</servlet-name> </filter-mapping> <mime-mapping> <extension>eot</extension> <mime-type>application/vnd.ms-fontobject</mime-type> </mime-mapping> <mime-mapping> <extension>otf</extension> <mime-type>font/opentype</mime-type> </mime-mapping> <mime-mapping> <extension>ttf</extension> <mime-type>application/x-font-ttf</mime-type> </mime-mapping> <mime-mapping> <extension>woff</extension> <mime-type>application/x-font-woff</mime-type> </mime-mapping> <mime-mapping> <extension>svg</extension> <mime-type>image/svg+xml</mime-type> </mime-mapping> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>*.xhtml</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>login.xhtml</welcome-file> </welcome-file-list> </web-app> FileUploadView.java
@Component @Scope("view") public class FileUploadView{ @Autowired private PictureService pictureService; @Autowired private UserRepository userRepository; @Autowired private AuditLogRepository auditLogRepository; private Picture picture; private UploadedFile file; public Picture getPicture(){ return picture; } public void setPicture(Picture picture){ this.picture = picture; } public UploadedFile getFile() { return file; } public void setFile(UploadedFile file) { this.file = file; } @PostConstruct public void init(){ file= new DefaultUploadedFile(); } public void upload() { if(file != null) { try{ System.out.println("This is never shown"); AuditLog log = new AuditLog(getAuthenticatedUser().getUsername(),"PICTURE UPLOADED: " + getAuthenticatedUser().getUsername() + " [" + getAuthenticatedUser().getUserRole() + "] ", new Date()); auditLogRepository.save(log); System.out.println(file.getFileName()); picture = new Picture(file.getFileName(), userRepository.findFirstByUsername(auth.getName()), new Date(), file.getFileName()); pictureService.savePicture(picture); FacesMessage message = new FacesMessage("Succesful", file.getFileName() + " is uploaded."); FacesContext.getCurrentInstance().addMessage(null, message); String filename = FilenameUtils.getName(file.getFileName()); InputStream input = file.getInputstream(); OutputStream output = new FileOutputStream(new File( filename)); try { IOUtils.copy(input, output); } finally { IOUtils.closeQuietly(input); IOUtils.closeQuietly(output); } }catch(Exception e) { } } } I would appreciated if someone could help me finding the problem.
Thanks in advance
[EDIT]: I have tried to make a clean Spring project and tried all of the possibilities to make a <p:fileUpload>, but none of them work. But I looked on the traffic of my browser, and I found out something interesting: 
. The POST statement appears immediately after I pressed the uploadbutton, the other GETs appear 1-2 seconds after.
1 Answers
Answers 1
The documentation says
Advanced File Upload
FileUploadListener is the way to access the uploaded files in this mode, when a file is uploaded defined fileUploadListener is processed with a FileUploadEvent as the parameter.
Add the fileUploadListener with a FileUploadEvent parameter. Make the button AJAXical. Lose the enctype. Don't bother with fileUpload's value.
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