# Tuesday, December 10, 2002
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I did some debugging last night to try and figure out where the random NullReferenceExceptions come from when running the SWT samples. I couldn't pinpoint anything (adding Console.WriteLines completely changed the behavior :-(), but when I tried running the exe under the 1.1 beta CLR the problem didn't occur, so naturally, now I'm beginning to wonder whether it is actually caused by a CLR bug...
Tuesday, December 10, 2002 4:25:19 PM (W. Europe Standard Time, UTC+01:00)  #    Comments [3]
Tuesday, December 10, 2002 10:10:41 AM (W. Europe Standard Time, UTC+01:00)

I tried to get ikvmc to compile some of my code, but it failed with the following error:


Parsing class files
Constructing compiler
Loading remapped types
Compiling class files (1)
Compiling class files (2)
System.InvalidOperationException: Type must be declared abstract if any of its methods are abstract.
at System.Reflection.Emit.TypeBuilder.CreateType()
at JavaTypeImpl.Finish()
at DynamicTypeWrapper.Finish()
at ClassLoaderWrapper.FinishAll()
at JVM.Compile(String path, String assembly, String mainClass, PEFileKinds target, Byte[][] classes, String[] references)
at Compiler.Compile(String fileName, String assemblyName, String mainClass, PEFileKinds target, Byte[][] classes, String[] references)


Any suggestions? I can email you the jar files if that would help (although I'm probably not allowed to send the sources).


If I can get this program to (a) compile and (b) actually work, I can save everyone in my department the hassle of having to download and install java...

Stuart
Tuesday, December 10, 2002 10:12:29 AM (W. Europe Standard Time, UTC+01:00)

Hmm, let's try that again, with linebreaks this time. That means double-spacing, I think, because there doesn't seem to be a way to force a single linebreak...


Parsing class files


Constructing compiler


Loading remapped types


Compiling class files (1)


Compiling class files (2)


System.InvalidOperationException: Type must be declared abstract if any of its m
ethods are abstract.


at System.Reflection.Emit.TypeBuilder.CreateType()


at JavaTypeImpl.Finish()


at DynamicTypeWrapper.Finish()


at ClassLoaderWrapper.FinishAll()


at JVM.Compile(String path, String assembly, String mainClass, PEFileKinds target, Byte[][] classes, String[] references)


at Compiler.Compile(String fileName, String assemblyName, String mainClass, PEFileKinds target, Byte[][] classes, String[] references)


Hopefully that one will be a little more readable...

Stuart
Wednesday, December 11, 2002 4:38:51 AM (W. Europe Standard Time, UTC+01:00)

Please send me the Jar and I'll have a look.
Jeroen Frijters
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