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  Getting a IIOException  (Read 1586 times)
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Offline Shazer2

Junior Devvie


Medals: 3


Aspiring developer.


« Posted 2011-09-03 15:17:55 »

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javax.imageio.IIOException: Can't read input file!
   at javax.imageio.ImageIO.read(ImageIO.java:1275)
   at game.Game.initEntities(Game.java:77)
   at game.Game.<init>(Game.java:65)
   at game.Game.main(Game.java:136)
Exception in thread "main" java.lang.NullPointerException
   at game.Game.gameLoop(Game.java:87)
   at game.Game.main(Game.java:138)


I keep receiving this error, line 77 of Game.java is -
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player = new Player(1, 8, ImageIO.read(new File("img/player.png")));


The Player class is in the game package and the image is in the img package (two separate directories).

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Online kevglass

« JGO Spiffy Duke »


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« Reply #1 - Posted 2011-09-03 20:04:37 »

What does new File("img/player.png").exists() return?

Kev

Offline ra4king

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« Reply #2 - Posted 2011-09-03 21:55:20 »

Try adding a "/" before the "img". This is because you want to start at the root directory, which is the "bin" of Eclipse.

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Offline Riven
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« Reply #3 - Posted 2011-09-03 22:27:21 »

Try adding a "/" before the "img". This is because you want to start at the root directory, which is the "bin" of Eclipse.
This is incorrect. It will point to the root of your filesystem.

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Offline Shazer2

Junior Devvie


Medals: 3


Aspiring developer.


« Reply #4 - Posted 2011-09-04 01:37:26 »

Figured it out, needed to use "src/img/player.png" because my classpath isn't in the same folder.

"When you want to be successful as bad as you want to breathe, then you will be successful." - Eric Thomas
Offline ReBirth
« Reply #5 - Posted 2011-09-04 03:31:19 »

Watch over your package too. Src/res folder should be in same place with root folder of package.

Offline ra4king

JGO Kernel


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« Reply #6 - Posted 2011-09-04 04:15:37 »

Try adding a "/" before the "img". This is because you want to start at the root directory, which is the "bin" of Eclipse.
This is incorrect. It will point to the root of your filesystem.
Oh right! Using File will cause "/" to point to the root of the file system. Using "/" in System.getResource points to the CWD

Offline Z-Man
« Reply #7 - Posted 2011-09-04 05:53:21 »

Try adding a "/" before the "img". This is because you want to start at the root directory, which is the "bin" of Eclipse.
This is incorrect. It will point to the root of your filesystem.
Oh right! Using File will cause "/" to point to the root of the file system. Using "/" in System.getResource points to the CWD
Are you thinking of getSystemResoucre() or getResource()? I'm not sure it works like that. I think (I don't have my computer right now so I can't check) I use getClass().getClassLoader().getResource("images/logo.png"); and my file structure in Eclipse is "ProjectFolder -> src -> images -> logo.png" and my source is at "ProjectFolder -> src -> com -> Main.java". That way when I create a .jar it's "MyProject.jar -> images -> logo.png"
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