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Just as an update for anyone else facing this problem. I found a couple of jvm flags that have improved things slightly: this flag also seems to have an impact: Although I'm still not able to get consistant looking fonts between webstart and standalone on Leopard. But at least the small fonts are now more readable. Oh and I also tried packaging the fonts inside the application in case that was the problem, but it wasn't.

Web Start Help Web Start Help Contents. is a Java-based product that uses the Web to download applications. The first time a user downloads a Web Start application, they need to download the Java Web Start client. That client includes a JVM and an application manager that allows the user to configure Web Start and any downloaded Web Start applications. To run Webstart apps Mac OS 10.8 of 10.9, see this video: There are at least two types of Web Start downloads available from the Ptolemy site:.

Web Start downloads for individual models from books and papers such as: Claudius Ptolemaeus, Editor, ',' Ptolemy.org, 2014. Web Start downloads for a Web Start Features:. Support for multiple JVMS. jar file versioning, which allows users to update an application without dowloading the entire application.

We dont have fancy Mission Statements. Befine showcased the boussole backpack for mac.

The developer can choose whether the user can download an application to run it later when not connected to the network. Support for applets, applications in an applet like sandbox and full applications. The best thing about Web Start is that it is easy to update a small part of the application and then the next time the users run the app, they will download just the updated portion instead of having to download the entire application and reinstall. The way Web Start works is that developers create jar files that are collections of Java.class files, images, platform dependent libraries and other resources. An application consists of multiple jar files and a.jnlp file that describes the application. Since shipping a standalone installer usually requires splitting an application up into components anyway, then the exercise of building jar files is a useful one, since the jar files could be used for other installers such as InstallAnywhere or InstallShield.

I use Web Start as a test bed for figuring out which files need to be shipped. Using Web Start for this is usually much faster than running InstallAnywhere or InstallShield, since if there is a problem in only one jar file, then only that jar file is affected, and I don't necessarily need to rebuild a large installer. In theory, one can ship one large jar file, but that makes updating the application more difficult, since if the application changes, the entire jar file will be downloaded unless a somewhat more complex jar diff system is used. The jar files and the.jnlp file may or may not be signed by using a Sun Java code signing certificate.

If all the jars are signed, then the application can have access to the local disk, and basically looks like a regular application. If the jars are not signed, then access is limited. It is also possible to run the application in 'sandbox' mode, which is fairly restrictive, but can still do some useful things. One can use a temporary code signing certificate and eventually pay Verisign $400/year for a permanent code signing certificate. The basic procedure is that Web Start is included as part of the Java Runtime Environment (JRE) and the Java Development Kit (JDK). After the JRE or JDK is installed it is sometimes necessary to restart your web browser.

At runtime, a.jnlp file is downloaded and the browser invokes Java. Usually, the web page that includes the Web Start enabled application download attempts to detect if you already have Web Start installed. If the Web Start detection succeeds, then you need not reinstall Web Start.

However, the Web Start detection can fail If the detection fails, then you will be prompted to install the Java Runtime Environment. You may already have Web Start installed, so you may want to try clicking on the Web Start enabled application download and if you have Java Web start installed, either:.

the Java Web Start splash screen should come up and the download should start. or you should see a window that asks if you want to download the file or start up javaws. Click on Open using javaws.exe and then OK, and the Java Web Start splash screen should come up., then the association between the.jnlp file and Java Web Start is inactive.

One thing to do is to start up a command line window and invoke the javaws command on the downloaded.jnlp file. See If the Java Web Start splash screen comes up, then need not reinstall Web Start. If the Java Web Start splash screen did not appear, then download the Java Runtime Environment (JRE), which contains Java Web Start, from. You may need to restart your browser and go back to the Web Start enabled application download page. Note that the Ptolemy II Web Start applications may be signed with a certificate that is not registered with a certificate authority, so you may be prompted with a window stating that the certificate from Claudius Ptolemaus is unknown.

You should hit the OK button to proceed with the download Java applications are cached on your disk. To view them, use the. Windows: Opening the Java Control Panel To open the Java Control panel, go to Start - Settings - Control Panel and then double click on the Java icon (or search for Java). The Java Control Panel with start up. Mac OS X: Opening the Java Control Panel The Java Control Panel is under the Mac OS 'Other' Control Panels.

Using The Java Control Panel. To view what Java Web Start applications have been installed, go the the Java Control Panel (see above):. Click on the General Tab.

At the bottom, under 'Temporary Internet Files', click on the View button. The Java Web Start applications that have been downloaded will be visible.

In the default, if you run the Web Start enabled application twice, a window will pop up asking you if you would like to install an icon for the application in your Start menu and on the desktop. This facility is controllable by the Java Web Start Control Panel found under Advanced - Shortcut Creation. You can configure Web Start to always install application icons or to never install them. The Java Web Start Control Panel pan found at Advanced - Java Console controls two output options that are useful for troubleshooting Show Java Console If checked, this will bring up the Java console which will report error messages in the application Log Output If checked, this will log the Java Console output to a file. This can be very useful if the application is crashing and the Java Console window is closed before you can read it.

To remove an application, mouse on the application and then select Application - Remove Application. If an update to the application is available, a small yellow triangle will appear at the bottom of the list of applications when the application is highlighted. It is unclear when updating occurs, but one way to trigger the update is to go back to the website where you initially downloaded the application and redownload it.

In theory, only the changed jar files will be pulled over. Help while installing:. Installing for use with Web Start.

Help while running:. Setting up Help for developers:.

Help while installing. With Ptolemy II, Roughly half the size of the application download is consumed by the HTML documentation of the Ptolemy II Java classes.

It would be nice if we use the Web Start jar versioning system. Web Start sometimes ignores beta JRE versions. You may find it necesary to install an earlier JRE version. The Java pane of the lists what JREs are installed. Under recent versions of Mac OS X, clicking a Web Start JNLP file results in a dialog that states that the application is from an unsigned developer. There are at least three workarounds:.

Click on the question mark in the lower left and follow the suggestions (which are repeated below). Under Mac OS X, the.jnlp file is downloaded and typically saved in the /Downloads directory. Find the.jnlp file in the Mac OS X Finder, right click on the file and select Open With - Java Web Start. Use the Security Preference to either allow unsigned applications or open the recently downloaded unsigned application. The summary is that Java is not very well supported under Firefox on the Mac. Under Mac OS X, if you have problems with Web Start under Firefox, try using Safari. Below are some things to try under Mac OS X for Firefox.

In theory the should install the Oracle JRE, but in practice, there are problems. In particular, the Oracle JRE should probably be installed.

See Oracle's. If you are prompted to save the jnlp file, see In theory, Web Start can install Java 3d automatically, but this is somewhat tough to do. We have only tested out Java 3D 1.2.103 API under JDK1.3.1. There are problems with Java 3D 1.2.103 API under JDK1.4.0, when I run a Java3D app, we get: Fail to create back buffer - DDERRINALIDPARAM The workaround is to use JDK1.3.1 Below are some instructions on installing Java3D: Go to and download Java 3D for Windows (DirectX Version) Runtime for the JRE Click on the installer. Eventually, it will prompt you for the JRE to install Java 3D in. You should install it under the same JRE that you are running in Web Start. There are at least two ways to determine which JRE you are running:.

Start up Ptolemy, go to a model, do View - JVM Properties and look at the java.home property. The value of the java.home property should be something like C: Program Files JavaSoft Java jre7 (Windows) or /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home (Mac OS X) BTW - This value is the JRE that Java 3D should be installed in. Start up the, go to the Java pane and click on View. The command that will be run will in the Path column. Developers: see $PTII/mk/jnlp.mk (search for Java3D) for how to create your own signed Java3D files. Help while running. If you start up Ptiny then the splash window mentions Ptiny, but if you then hit Help - about, the splash window is the standard full installation window which includes links to domains and demos that are not included in the Ptiny release.

Java Web Start Download Windows 7

The GR domain might not because of issues with Java3D, see Troubleshooting for developers. simple services examples.