Help! I can't run the JavaHouse Demo! Why?
Windows 2000+JSDK1.3+Java3d1.3beta1
The Error Message is:
C:\JAVA3D\DEMO\JavaHouse>java -classpath .; -jar JavaHouse.jar
*** ERROR: Canvas3D constructed with a null GraphicsConfiguration
*** This will cause a NullPointerException in a subsequent release
java.lang.NullPointerException
at javax.media.j3d.BehaviorRetained.updateTransformRegion(BehaviorRetained.java:460)
at javax.media.j3d.BehaviorStructure.processMessages(BehaviorStructure.java:253)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.java:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
Tried the turning 32-bit Z buffering on but it did not solve the problem. I am using 2 matrox cards on my system Millennium G200 PCI and a Millennium G400 DualHead. I am using 16bit color on both. The DualHead adapter is set at 2048x768 pixels because it is powering two monitors and the G200 is set at 1024x768. Like I said I tried turning 32-bit Z buffering on for both adapters using Display Properties | Settings | Advanced | Options | Use 32-bit Z-buffering. I will try the other workarounds for the matrox driver from the link you provided but it isn't very clear to me how they are tobe accomplished.
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package converter;
import java.rmi.RemoteException;
import javax.ejb.CreateException;
import javax.ejb.EJBHome;
public interface ConverterHome extends EJBHome {
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The bean's remote interface:
package converter;
import javax.ejb.EJBObject;
import java.rmi.RemoteException;
import java.math.*;
public interface Converter extends EJBObject {
public BigDecimal dollarToYen(BigDecimal dollars) throws RemoteException;
public BigDecimal yenToEuro(BigDecimal yen) throws RemoteException;
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import javax.naming.InitialContext;
import javax.rmi.PortableRemoteObject;
import java.math.BigDecimal;
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