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Export does not work (Read 7177 times)

Ainstain

Export does not work
May 28^th, 2010, 2:23am

Hi there

I (or actually: my students) have programmed a little game with Processing. The game works fine, but I can't export it to a Java Applet. Although the files are generated, the applet does not start.
(With another game, I could export, and the applet works.)

Can anybody help me? What could be the problem? Huh

(As the program contains several classes, it's a bit complicated to post it here. Or is it possible to upload the files?)

Cedric YaBB Moderator Offline Posts: 1838	Re: Export does not work Reply #1 - May 28^th, 2010, 3:23am there are a lot of online storage websites like http://uploaded.to/ where you can quickly upload files without registration and get a link you can post here.
	twitter.com/CedricKiefer

PhiLho

Re: Export does not work
Reply #2 - May 28^th, 2010, 5:04am

Common cause of such issue: security.
In an applet, if you don't sign it, you cannot access filesystem (using file chooser, writing a file), you cannot access a different site, you cannot use the clipboard, etc.
Activate the Java console (eg. in the Java entry of the Control Panel in Windows, elsewhere in other systems..., eg. running javaws -viewer on the command line, or as option of your browser) to see if you have error messages.

Ainstain

Re: Export does not work
Reply #3 - May 28^th, 2010, 10:45pm

Hi there

Thanks for the upload-website. Here are the two applets which do not run:

http://ul.to/mdmvyt
http://ul.to/0f7p37

Could someone take a look at it? Please, please, please... Roll Eyes

I'm not sure whether it is a security problem or not, because two other games which were programmed quite similarly and under the same circumstances run fine.

(If you want to play them:
http://www.ksh.edu/?id=959
http://www.ksh.edu/?id=960
Have fun! Cheesy

)

PhiLho YaBB Moderator Offline Posts: 4190 Near Paris (France)	Re: Export does not work Reply #4 - May 29^th, 2010, 12:36am I don't know if it can be the reason for failure, but the MP3/WAV files are missing from the archive found at the first link. Again, activate the Java console to see error messages.

Ainstain

Re: Export does not work
Reply #5 - May 30^th, 2010, 12:06am

Bonjour, PhiLho!

Here are the error messages:

If I try to start the first applet:

Exception in thread "Animation Thread" java.lang.NullPointerException
at ddf.minim.javasound.JSMinim.getAudioInputStream(JSMinim.java:604)
at ddf.minim.javasound.JSMinim.getAudioRecordingStream(JSMinim.java:200)
at ddf.minim.Minim.loadFile(Minim.java:357)
at GravitBall$levels.startseiteset(GravitBall.java:798)
at GravitBall$levels.<init>(GravitBall.java:783)
at GravitBall.setup(GravitBall.java:465)
at processing.core.PApplet.handleDraw(Unknown Source)
at processing.core.PApplet.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

If I try to start the second applet:

Exception in thread "Animation Thread" java.lang.NullPointerException
at ddf.minim.javasound.JSMinim.getAudioInputStream(JSMinim.java:604)
at ddf.minim.javasound.JSMinim.getAudioRecording(JSMinim.java:474)
at ddf.minim.Minim.loadSnippet(Minim.java:317)
at MoritzFinal.setup(MoritzFinal.java:100)
at processing.core.PApplet.handleDraw(Unknown Source)
at processing.core.PApplet.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Cedric YaBB Moderator Offline Posts: 1838	Re: Export does not work Reply #6 - May 30^th, 2010, 12:26am just a guess. did you use some audio files and put them in the root folder instead of the data folder? it works when running the sketch from processing, but they only get exported/archived when they are in the data folder
	twitter.com/CedricKiefer

Ainstain

Re: Export does not work
Reply #7 - May 30^th, 2010, 7:55am

Thanks for the hint! I moved the audio-files to the "data"-folder. Now the second applet works, but, unfortunately, the first one still does not... Embarrassed

Here is what the Java Console says:

security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws,com.sun.
deploy
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws,com.sun.
deploy
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws,com.sun.
deploy,com.sun.jnlp
security: property package.definition value null
security: property package.definition new value com.sun.javaws
security: property package.definition value com.sun.javaws
security: property package.definition new value com.sun.javaws,com.sun.deploy
security: property package.definition value com.sun.javaws,com.sun.deploy
security: property package.definition new value com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.access value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws,com.sun.
deploy,com.sun.jnlp
security: property package.access new value sun.,com.sun.xml.internal.ws.,com.sun.xml.internal.bind.,com.sun.javaws,com.sun.
deploy,com.sun.jnlp,org.mozilla.jss
security: property package.definition value com.sun.javaws,com.sun.deploy,com.sun.jnlp
security: property package.definition new value com.sun.javaws,com.sun.deploy,com.sun.jnlp,org.mozilla.jss
basic: Applet geladen
basic: Applet resized and added to parent container
basic: PERF: AppletExecutionRunnable - applet.init() BEGIN ; jvmLaunch dt 264019 us, pluginInit dt 1024607 us, TotalTime: 1288626 us
basic: Applet initialized
basic: Applet made visible
basic: Starting applet
basic: completed perf rollup
basic: Applet started
basic: Told clients applet is started
==== JavaSound Minim Error ====
==== Don't know the ID3 code WXXX

==== JavaSound Minim Error ====
==== Don't know the ID3 code TOPE

==== JavaSound Minim Error ====
==== Don't know the ID3 code APIC

Ainstain YaBB Newbies Offline Posts: 11	Re: Export does not work Reply #8 - Jun 1^st, 2010, 4:28am Hi there I really tried everything, but I still can't export the sketch to an applet which works At least the music starts... Here is the sketchbook: http://ul.to/2xkr0f Could someone take a look at it? Please!!

Ainstain YaBB Newbies Offline Posts: 11	Re: Export does not work Reply #9 - Jun 2^nd, 2010, 11:23pm Please, please, please... What wrong with this? http://ul.to/2xkr0f I really can't export it.

Cedric

Re: Export does not work
Reply #10 - Jun 3^rd, 2010, 1:09am

hmm, i checked it, and i am pretty sure you shouldnt put size, somewhere in a function in your level class.
It has to be at the beginning of Setup.

Quote:

Again, the size() method must be the first line of the code (or first item inside setup). Any code that appears before the size() command may run more than once, which can lead to confusing results.

twitter.com/CedricKiefer

Ainstain

Re: Export does not work
Reply #11 - Jun 3^rd, 2010, 3:13am

Hi Cedric

Thank you very much for your hint.

However, I've corrected it, but it still does not work Sad

What I find strange is that the application (Exe-file) works fine, but the applet (html-file) does not Lips Sealed

It must be something very small, just a minor mistake which makes it not run, i.e. not start correctly.

Here is the new version:
http://ul.to/fru14c

blindfish

Re: Export does not work
Reply #12 - Jun 3^rd, 2010, 3:18am

Agreed:

You seem to want to reset the levels with levels.startseteset() but there's no need to make another call to size() here and probably no need to run loadFont again either...

It's also worth pointing out that in your setup() method (on the Spielfeld tab) you don't have size() as the first line of code. Whilst it seems there are caveats to this rule, it's best to stick to it unless you have good reason not to. So your variable declarations, and (probably more importantly) object instantiations, loadFont etc. should be placed after size is set (and not least if, for example, your levels object depends on the results of size() in some way...)

Where is the what if the what is in why?

blindfish

Re: Export does not work
Reply #13 - Jun 3^rd, 2010, 3:37am

Also you declare and try to instantiate a PImage array before setup has run:

Code:

PImage[] Wolke = new PImage[numFrames];  //Array

Instead probably best to declare it and then instantiate it in setup:

Code:

PImage[] Wolke;

// snip

void setup() {
  size (675,420) {

  Wolke = new PImage[numFrames];

  // snip...
}

I can export it and run the HTML file fine here; though for some reason the size info isn't being applied to the HTML - but fixing that is a trivial edit to index.html Wink

Where is the what if the what is in why?

Cedric YaBB Moderator Offline Posts: 1838	Re: Export does not work Reply #14 - Jun 3^rd, 2010, 4:27am yep, that was the only problem i had as well. didnt think of doing it by hand though
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