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6 Nisan 2011 Çarşamba

JavaFX MediaBox exception: Connection refused: connect.

please see http://hilaltarakci.blogspot.com/2011/03/revisited-using-java-fx-app-in-web.html for background of this post.

Problem

When you build the JavaFX MediaBox component (or a modified version of it), Netbeans 6.9.1 ide produces the following files under dist folder.

MediaBox.html

MediaBox.jar

MediaBox.jar.pack.gz

MediaBox.jnlp

MediaBox_browser.jnlp

When you move those files to production environment (some other location or a web server), you may get the following error, when you try to see MediaBox.html via a browser.

exception: Connection refused: connect.

java.net.ConnectException: Connection refused: connect

at java.net.PlainSocketImpl.socketConnect(Native Method)

at java.net.PlainSocketImpl.doConnect(Unknown Source)

.....

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)

Exception: java.net.ConnectException: Connection refused: connect

Solution

In my case, this was due to .jnlp files.

Editing codebase and homepage attributes accordingly in both MediaBox.jnlp and MediaBox_browser.jnlp files fixed the issue.

http://groups.google.com/group/javafxprogramming/browse_thread/thread/f5b8cead773fba52

31 Mart 2011 Perşembe

revisited: using Java FX app in a web application

Please read for the background of this post: http://hilaltarakci.blogspot.com/2011/03/using-java-fx-app-in-web-application.html

Unfortunately, JavaFX MediaBox component did not run successfully, when i deployed the web application in production environment and test it from another client computer.

After a while, i realized that the problem is due to calling JavaFX from a .jsp file.. When JavaFX MediaBox is called from an .html file, no problem shows up..

see http://www.htmlgoodies.com/beyond/javascript/article.php/3471111 for html parameter passing..

28 Mart 2011 Pazartesi

using Java FX app in a web application

In order to pass media url as argument to Java FX MediaBox component,

change the Main.fxin MediaBox project as follows:

var mediaUrl = FX.getArgument("mediaUrl");

// in order to access mediaUrl, use mediaUrl.toString()

create a java web application project (i used Netbeans 6.5.1 for this).
edit index.jsp as follows:

<%@page contentType="text/html" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

"http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>JSP Page</title>

<script src="http://dl.javafx.com/dtfx.js"></script>

<script>

javafx(

{

archive: "MediaBox.jar",

width: 640,

height: 360,

code: "com.sun.javafx.mediabox.Main",

name: "MediaBox"

}, {

              mediaUrl: "http://sun.edgeboss.net/download/sun/media/1460825906/1460825906_2956241001_big-buck-bunny-640x360.flv"

/*"file:/E:/htarakci/WORKSTATION/tez/projects/lost.avi"*/

}

);

</script>

</head>

<body>

<h1>Hello World!</h1>

</body>

</html>

deploy the web app to server and run..

javafx samples here:

http://code.google.com/p/javafxdemos/source/browse/#hg/JavaFXJSP/

for deploying Javafx app:

http://blogs.sun.com/octav/entry/deploying_a_javafx_web_application

http://forums.oracle.com/forums/thread.jspa?threadID=1709904&tstart=405

http://download.oracle.com/javafx/1.3/tutorials/deploy-applet/index.html

for passing arguments to Javafx app:

http://blogs.sun.com/rakeshmenonp/entry/javafx_passing_arguments

a few tips on writing scripts:

http://download.oracle.com/javafx/1.3/tutorials/core/writingScripts/