Re: [platform-swt-dev] org.eclipse.swt.SWTException: Invalid threadacces

["Daniel Spiewak" <djspiewak@xxxxxxxxx>]

I replied before.  You have to create the Display object within the main thread otherwise it will error out.

Daniel

On 8/11/06, Sanjay Kumar < sankumr@xxxxxxxxxxx> wrote:

Any ideas ...any one... Apologize for the repost...

>Running into this error...please help. (tried SWT FAQ solution for this
>issue does not work..Not sure if I am doing it right though..)
>
>Exception in thread "5" org.eclipse.swt.SWTException : Invalid thread access
>at org.eclipse.swt.SWT.error(SWT.java:2942)
>at org.eclipse.swt.SWT.error(SWT.java:2865)
>at org.eclipse.swt.SWT.error(SWT.java:2836)
>at org.eclipse.swt.widgets.Display.checkDisplay (Display.java:627)
>at org.eclipse.swt.widgets.Display.create(Display.java:688)
>at org.eclipse.swt.graphics.Device.<init>(Device.java:129)
>at org.eclipse.swt.widgets.Display.<init>(Display.java :388)
>at org.eclipse.swt.widgets.Display.<init>(Display.java:379)
>at santest.test(santest.java:13)
>at santest.run(santest.java:28)
>at java.lang.Thread.run(Thread.java:595)
>
>I was able to reproduce the error using this simplified version of what I
>have in my actual code
>
>import org.eclipse.swt.graphics.*;
>import org.eclipse.swt.widgets.*;
>
>
>public class santest implements Runnable {
>
>private int countDown = 5;
>public String toString() {
>return "#" + Thread.currentThread().getName() +
>": " + countDown;
>}
>public void test() {
>final Display display = new Display();
>display.syncExec (new Runnable () {
>public void run () {
>GC gc = new GC(display);
>final org.eclipse.swt.graphics.Image image = new
>org.eclipse.swt.graphics.Image(display, display.getBounds());
>gc.copyArea(image, 0, 0);
>gc.dispose();
>}
>});
>/* Take the screen shot */
>}
>
>public void run() {
>while(true) {
>System.out.println(this);
>test();
>if(--countDown == 0) return;
>}
>}
>public static void main(String[] args) {
>for(int i = 1; i <= 5; i++)
>new Thread(new santest(), "" + i).start();
>// Output is like SimpleThread.java
>}
>}
>
>
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