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Home » Eclipse Projects » DSDP - Mobile Tools for Java (MTJ) » cannot load files from res folder
cannot load files from res folder [message #565928] Sun, 25 February 2007 15:50
Eclipse User
Originally posted by: zhihui_yang73.yahoo.com

I just installed MTJ and have no problem to run some simple Java games as
long as no external images or sounds are needed. However, I always got
java.io.IOException and java.lang.NullPointerException when I try to load
images from the res folder. But I have no problem to run the java games
from the standalone SUN JWT emulator, or the emulator from Nokia. Is there
anything wrong with my MTJ setup?

Here is my setup:
Windows XP
Eclipse 3.2
MTJ 0.7
emf-sdo-xsd-SDK-2.2.0
Sun Java(TM) Wireless Toolkit 2.5 for CLDC

Below is the snipet of loading images located in folder "res"
...
Image img = null;
try {
img = Image.createImage("/img1.png");
} catch (IOException ex) {
System.out.println("Error: Image files could not be loaded " +
e.getMessage());
ex.printStackTrace();
}
...

When I tried to run the sample on SUN JWT emulator through MTJ, I got the
following error message (I had no problem to run the above code on the
standalone JWT emulator):

Error: Image files could not be loaded null
java.io.IOException
- javax.microedition.lcdui.Image.createImage(), bci=30
- Arena.<init>(), bci=72
- MEInvaders.startApp(), bci=17
- javax.microedition.midlet.MIDletInvoker.invokeStartApp(), bci=1
- com.symbian.midp.runtime.MIDletScheduler.startMIDlet(), bci=26
- com.symbian.midp.runtime.MIDletScheduler.run(), bci=14
Uncaught exception: java.lang.NullPointerException
- Arena.tick(), bci=4
- Arena.run(), bci=13
- java.lang.Thread.run(), bci=11

Any help or suggestion would be greatly appreciated.

Thanks a lot,
Yang
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