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<DIV><FONT face=Arial size=2>Hi all,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>I've written a program in java, which compiles OK,
but when I try to run it I get the following error message.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=#0000ff face=Arial size=2>Exception in thread "main"
java.lang.NullPointerException</FONT></DIV>
<DIV><FONT color=#0000ff face=Arial size=2>
at vtk.vtkPanel.getWindowID(vtkPanel.java:57)</FONT></DIV>
<DIV><FONT color=#0000ff face=Arial
size=2> at
vtk.vtkPanel.getWindowInfo(vtkPanel.java:80)</FONT></DIV>
<DIV><FONT color=#0000ff face=Arial
size=2> at
vtk.vtkPanel.Render(vtkPanel.java:111)</FONT></DIV>
<DIV><FONT color=#0000ff face=Arial
size=2> at
VCTimage.init(VCTimage.java:78)</FONT></DIV>
<DIV><FONT color=#0000ff face=Arial
size=2> at
VCTimage.main(VCTimage.java:28)</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>I am working on Windows98, with vtk3.2,
jdk1.3.1_01.</FONT></DIV>
<DIV><FONT face=Arial size=2>I am not very experienced with this and am hoping
it is obvious whats wrong.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>Thanks in advance </FONT></DIV>
<DIV><FONT face=Arial size=2>Carmen</FONT></DIV></BODY></HTML>