JSF and Servlet Interaction

Hello All,
I have a question if some one can kindly give his/her expert opinion.
1) Can we call a Servlet from a JSF Page the same way as calling it from an HTML or JSP Page?
2) If the answer to the above question is "Yes", how can a JSF page get the data from the response generated by a Servlet (In a JSP page, we can get the data from the Session object ).
Waiting for a favorable reply.
Kind Regards.
Hasnain Javed Khan.

As far as I know JSF are servlets the same way JSP are, so it would work the same way. They bothe extend javax.servlet.Servlet, thus all the mothods belonging to the Sevlet class would be available to the etending classes in this case your JSF pages.
http://java.sun.com/javaee/javaserverfaces/1.2_MR1/docs/api/index.html
MeTitus

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JSF and Character Sets (UTF-8)

Hi all,
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Jarno,
I've been investigating JSF and character encodings a bit this weekend. And I have to say it's more than a little confusing. But I may have a little insight as to what's going on here.
I have a post here:
http://forum.java.sun.com/thread.jspa?threadID=725929&tstart=45
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In MyFaces JSF 1.1 and JSF-RI 1.2 the handling appears to be dependent on the raw Content-Type header. Looking at the MyFaces implementation here -
http://svn.apache.org/repos/asf/myfaces/legacy/tags/JSF_1_1_started/src/myfaces/org/apache/myfaces/application/jsp/JspViewHandlerImpl.java
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*** Example of JSF Image servlet that can write image to network drive ??

Hi Guys,
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Hi,
The drive I am trying to access is on a box 45.65.111.115 ip
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Setting sharing on...
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java.io.FileNotFoundException: \\45.65.111.115\first250k\test3.jpg (Access is denied)
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gives this errror
java.io.FileNotFoundException: \\45.73.111.115\test_images\test4.jpg (Access is denied)
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Midlet-Servlet interaction

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Hi,
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Jsf and Seam

Hi,
I have a JSF project and would like to add a Captcha on the new user page.
I see several examples with Seam.
http://www.digitalsanctuary.com/tech-blog/java/jboss/seam/captcha-with-seam-in-three-minutes.html
http://thelabdude.blogspot.com/2009/05/user-registration-solution-using-jboss.html
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http://livedemo.exadel.com/richfaces-demo/richfaces/paint2D.jsf?s=glassX
I copied this into my app to test and get several errors. I did not see the problem?
I see a NullPointer error..but dont know where to set it.
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
javax.faces.FacesException: Error send image
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Thanks
Phil
Edited by: nohacks on Aug 20, 2009 4:08 AM

Going to seam might not be the answer to your problems. For one seam is not easy to get running on anything but a JBoss server (it is possible, but not easy). Secondly Seam is aimed at bringing JSF and EJBs closer together, among other things. Since you are running on Tomcat, I don't think you are using EJBs and therefore the use of Seam degrades greatly.
The root of the problem is easy enough to spot:
/loginTest.jsp(62,2) '#{paintBean.paint}'So what is this paintBean doing? If you have access to the code, you could check out the method that gives the error:
com.netfixup.java.PaintBean.paintto try and figure out what is null. SOMETHING is apparently not initialized properly, but unless the server logs can give you a hint what that something is, it is hard to help you further.

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Has anyone some tips for me why Facelets does not work or how i can get it to work?
Thanks, Daniel

Copy the META-INF folder of the
jsf-facelets.jar to a folder called "config" in the WEB-INF folder of your web and add
<context-param>
<param-name>facelets.LIBRARIES</param-name>
<param-value>/WEB-INF/config/jsf-core.taglib.xml;/WEB-INF/config/jsf-html.taglib.xml;/WEB-INF/config/jsf-ui.taglib.xml;/WEB-INF/config/jstl-core.taglib.xml;/WEB-INF/config/jstl-fn.taglib.xml</param-value>
</context-param>
to the web.xml.
This helped for me.

Issue in using JSF and tiles

Hai,
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Content Page
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<%@ taglib uri="http://jakarta.apache.org/tiles" prefix="tiles" %>
     <f:view >
         <link href="<%=request.getContextPath()%>\styles\Form.css" rel="stylesheet" type="text/css"/>
         <link href="<%=request.getContextPath()%>\styles\Menu.css" rel="stylesheet" type="text/css"/>
         <link href="<%=request.getContextPath()%>\styles\Header.css" rel="stylesheet" type="text/css"/>
         <title><h:outputText value="Brand"/></title>
         <h:form id="testForm">
             <tiles:insert definition="test_create" flush="false"/>
         </h:form>
     </f:view>JSP
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://richfaces.ajax4jsf.org/rich" prefix="rich"%>
<%@ taglib uri="https://ajax4jsf.dev.java.net/ajax" prefix="a4j"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<f:subview id="come">
<body>
<h:form>
<h:outputText value="Provider:" styleClass="SubTitle" />
<h:inputText value="#{testMBean.property}" size="25" id="dpiSuggest" styleClass="SubTitle">
    <a4j:support event="onkeyup" />
</h:inputText>
<rich:suggestionbox for="dpiSuggest" suggestionAction="#{testMBean.suggest}" height="180" width="180" var="suggest">
<h:column>
<h:outputText value="#{suggest.countryName}" />
</h:column>
<h:column>
<h:outputText value="#{suggest.countryCode}" />
</h:column>
</rich:suggestionbox>
</h:form>
</body>
</f:subview>
</html>
*tiles.xml*
<tiles-definitions>
    <definition name="header-menu-content" path="/layout/basicLayout.jsp">
        <put name="gridClass"           value="headerMenuContent"/>
        <put name="headerClass"         value="HeaderBgcolor"/>
        <put name="menuColumnClass"     value="MenuBorder"/>
        <put name="contentColumnClass" value="BodyBgColor"/>
    </definition>
    <definition name="home" extends="header-menu-content">
        <put name="header" value="/common/header.jsp"/>
        <put name="menu"    value="/common/menu.jsp"/>
        
        <put name="content" value="/common/home.jsp"/>
    </definition>
    <definition name="error" extends="header-menu-content">
        <put name="header" value="/common/header.jsp"/>
        <put name="menu"    value="/common/menu.jsp"/>
        
        <put name="content" value="/common/error.jsp"/>
    </definition>
        <definition name="test_create" extends="header-menu-content">
             <put name="header" value="/common/header.jsp" />
             <put name="menu" value="/common/menu.jsp" />
             
             <put name="content" value="/test.jsp" />
         </definition>
    <tiles-definitions>
*web.xml*
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 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">
    <session-config>
        <session-timeout>
            30
        </session-timeout>
    </session-config>
    <welcome-file-list>
        <welcome-file>welcome.jsp</welcome-file>
        </welcome-file-list>
         <context-param>
    <param-name>com.sun.faces.verifyObjects</param-name>
    <param-value>false</param-value>
</context-param>
<context-param>
    <param-name>com.sun.faces.validateXml</param-name>
    <param-value>true</param-value>
</context-param>
<context-param>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>client</param-value>
</context-param>
<servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>*.faces</url-pattern>
</servlet-mapping>
<context-param>
<param-name>org.richfaces.SKIN</param-name>
<param-value>blueSky</param-value>
</context-param>
<filter>
<display-name>RichFaces Filter</display-name>
<filter-name>richfaces</filter-name>
<filter-class>org.ajax4jsf.Filter</filter-class>
</filter>
<filter-mapping>
<filter-name>richfaces</filter-name>
<servlet-name>Faces Servlet</servlet-name>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
        <servlet>
      <servlet-name>Tiles Servlet</servlet-name>
      <servlet-class>org.apache.tiles.servlets.TilesServlet</servlet-class>
      <init-param>
         <param-name>definitions-config</param-name>
         <param-value>/WEB-INF/tiles.xml</param-value>
      </init-param>
      <load-on-startup>2</load-on-startup>
   </servlet>
    </web-app>
*facesconfig.xml*
<?xml version="1.0" encoding="UTF-8"?>
<faces-config version="1.2"
              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-facesconfig_1_2.xsd">
    <navigation-rule>
            <navigation-case> 
            <from-outcome>test</from-outcome>
            <to-view-id>/testContent.jsp</to-view-id>
            <redirect/>
        </navigation-case>
    </navigation-rule>
    <managed-bean>
        <managed-bean-name>testMBean</managed-bean-name>
        <managed-bean-class>testMBean</managed-bean-class>
        <managed-bean-scope>session</managed-bean-scope>
    </managed-bean>
</faces-config>Edited by: SreeramIyer on May 29, 2008 4:50 AM

Are you dead set on using tiles? I can see tiles including JSF but JSF including tiles? Not sure if that will work.
My suggestion is to use Trinidad. It has the concept of Regions which is very "tiles" like and you will be far more successful.

How to customize events, execute stored procedures using JSF and ADF BC

As a java beginner, I started with developing simple web application using JSF and ADF business component through visual and declarative approach. I need to know how to customize events, execute stored procedures, invoke functions on triggering events associated with rich controls. for eg. how to write customized functions on button click or checkbox click events to achieve business requirement and can be modified whenever required.
Edited by: 792068 on Aug 31, 2010 9:40 PM

Which business layer is prefered to create interactive data model: 1. ADF business components or 2. Enterprise JavaBeans using Java persistance API (JPA) or 3. Toplink 4. Portlets
which minimizes writing low level codes and how much OOPS knowledge is required for creating above business layer binding data to viewcontroller layer?

Jsf and richfaces version compatibility issue

Hi,
I am using JRE 1.5 , jsf 1.2 , richfaces 3.3.3 and deployed in Tomcat 6.0.18. I am getting following error.
javax.servlet.ServletException: /allocator.xhtml @30,163 <rich:tree> Tag Library supports namespace: http://richfaces.org/rich, but no tag was defined for name: tree
     javax.faces.webapp.FacesServlet.service(FacesServlet.java:321)
root cause
javax.faces.view.facelets.TagException: /allocator.xhtml @30,163 <rich:tree> Tag Library supports namespace: http://richfaces.org/rich, but no tag was defined for name: tree
     com.sun.faces.facelets.compiler.CompilationManager.pushTag(CompilationManager.java:289)
     com.sun.faces.facelets.compiler.SAXCompiler$CompilationHandler.startElement(SAXCompiler.java:228)
     com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source)
     com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
     com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
     com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
     com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
     com.sun.org.apache.xerces.internal.parsers.XML11Configuration
Thanks,
BPradhan

In my development box , I can use any version of jre, tomcat.
But, we have our department dev and prod server configured with jre 1.5 and tomcat 6.0.18
Some other applications are running in those environment with jre 1.5 and tomcat 6.0.18. I cannot upgrade just for new application.
when tomcat6 was downloaded in our department dev and prod server , they are installed with jre5. Subsequently servers are upgraded with jre6 but it seems like tomcat recognises jre5 not jre6. Let me know if i am wrong about jre version tomcat is trying to use.
Also, can you help me with the environment I have and problems i am encountering with jsf and richfaces.
Thanks,
BPradhan
Edited by: user618018 on Feb 1, 2013 5:03 PM

Interesting single sigon application project using jsp and servlet....Help.

A customer login's to my website using Enterprise login. I am supposed to have a link on my website to this other website(that also uses our Enterprise login details but hosted by other vendor/company on their server), and when I click this link the customes should automatically get logged in to this other website and get a welcome page(instead of login page).
Below are the sequence of steps that the other website wants me to perform to get to his welcome page(i.e bypass his login page).
FYI, I am planning to build a jsp page with a link to this other website. Can some body tell me how should I build the application(i.e) how jsp and servlets be build to interact to perform these operations. Any hep is greatly appreciated.
1.When a user clicks on to other website link(available on my website), the browser generates an HTTP GET request to the Other website's session servlet. User's name is one of the parameters of this request.
2.Other website receives the HTTP request and generates a unique session identifier for this user. An HTTP response to the end-user is then sent. The user's name and the session identifier are passed back as parameters in the redirect URL.
3.The browser sends the HTTP request (GET) to the Verification Service that was specified in the redirect message. The parameters (user name and/or session id) will be passed as URL parameters.
4.The Verification Service(of other website) authenticates the user. A redirect URL to it's sigon servlet(with parameter's User id and key) is then sent back to the user's browser.
5.The end-user's browser will perform the redirect (performing an HTTP get operation to Other website's signon servlet with the username and the digest key).
6.The other website will check if the parameter's passed is the same as the one passed earlier, if the user is who he says he is then he is redirected to the main page of the application.
7.The browser will then redirect the user to Other website's main page (welcome.jsp).
There seems's to be many calls to this other website that needs to be performed behind the scenes once a user clicks the link on my website.
Please suggest and help me out.........
Edited by: 836726 on Feb 21, 2011 3:41 PM

Why are you trying to build a whole federated single sign on framework from scratch when you can just use/buy an existing and proven solution instead? There are a lot of security implication and trust issues involved for this so unless you already understand all of those I'd advise you not to re-invent the wheel. There are a lot of products available that do this. Try searching for '<vendor name> Access Manager' or OpenSSO.

Need some help with Slow Downs in Java3D and Servlets

Hi,
I realize that there is a separate forum for Java 3D, but I posted there, and did not get any response. This is kinda the crux of my program, so I would like to invite anybody on this forum with knowledge of Java 3D and servlets to give it a stab. Between this post and that one, there are TWENTY duke dollars up for grabs.
Thanks.
http://forum.java.sun.com/thread.jspa?threadID=603198

Let me have an educated guess.
You calculated the time elapsed before sending in a server request - and at that point you have you updated timeLastStateChange yet, which means by the time of the next calculation of time elapsed this apparent delay is not counted in, hence the slow down in animation rate.
Hope this helps~
Alex Lam S.L.

Web service and servlets in the same project...web.xml?

Hello, I have a problem with my web service.
I have a server, which displays a web service. I programmed this service with JAXRPC.
I have a client, in another directory. I succeded in compiling, deploying and running the web service.
The problem is that after I tried to integrate this service in an existing project. This project contains servlets. In these servlets, I'm using sessions.
These servlets are on the same side as the server of the web service. Because of the implementation of my code, I'd like to use in the class that represents the server of the service, the same session as the one I'm using in the servlets.
But of course, it's not working by itself. I know there's something to do with the web.xml files.
The thing is that I created a web.xml file for the service, and another for the servlets.
I was thinking of joining both of them in one xml file, but everything crashes then...
Could someone tell me how to create a project with a web service and servlets, and mostly how to configure the xml file??
Thanks for any help
Philippe

Hello, I have a problem with my web service.
I have a server, which displays a web service. I programmed this service with JAXRPC.
I have a client, in another directory. I succeded in compiling, deploying and running the web service.
The problem is that after I tried to integrate this service in an existing project. This project contains servlets. In these servlets, I'm using sessions.
These servlets are on the same side as the server of the web service. Because of the implementation of my code, I'd like to use in the class that represents the server of the service, the same session as the one I'm using in the servlets.
But of course, it's not working by itself. I know there's something to do with the web.xml files.
The thing is that I created a web.xml file for the service, and another for the servlets.
I was thinking of joining both of them in one xml file, but everything crashes then...
Could someone tell me how to create a project with a web service and servlets, and mostly how to configure the xml file??
Thanks for any help
Philippe

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