Problem on Enable Stub Generator in the Print tutorial

[miglio]

Hi all,
I was following the tutorial about the Print application, in particularly in this video http://www.genady.net/rmi/v20/demos/pri ... ation.html
it's said to "Enable Stub Generator". When i do it I fall into 3 errors, Here they are:

FIRST ERROR:
Severity and Description Path Resource Location Creation Time Id
RMI Plugin: Additional RMI Errors:error: An error has occurred in the compiler; please file a bug report (http://java.sun.com/cgi-bin/bugreport.cgi).
java.lang.NoClassDefFoundError: com.sun.corba.se.impl.util.Utility
at sun.rmi.rmic.RMIGenerator.sourceFileForClass(RMIGenerator.java:187)
at sun.rmi.rmic.RMIGenerator.<init>(RMIGenerator.java:268)
at sun.rmi.rmic.RMIGenerator.generate(RMIGenerator.java:106)
at sun.rmi.rmic.Main.doCompile(Main.java:546)
at sun.rmi.rmic.Main.compile(Main.java:148)
at java.lang.reflect.Method.invoke(libgcj.so.90)
at net.genady.rmi.compilers.SunBasedCompiler.executeInternal(Unknown Source)
at net.genady.rmi.compilers.SunBasedCompiler.execute(Unknown Source)
at net.genady.rmi.builder.RMIBuilder.compile(Unknown Source)
at net.genady.rmi.builder.RMIBuilder.build(Unknown Source)
at org.eclipse.core.internal.events.BuildManager$2.run(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.runtime.SafeRunner.run(org.eclipse.equinox.common_3.2.0.v20060603.jar.so)
at org.eclipse.core.internal.events.BuildManager.basicBuild(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.BuildManager.basicBuild(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.BuildManager$1.run(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.runtime.SafeRunner.run(org.eclipse.equinox.common_3.2.0.v20060603.jar.so)
at org.eclipse.core.internal.events.BuildManager.basicBuild(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.BuildManager.build(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.events.AutoBuildJob.run(org.eclipse.core.resources_3.2.2.R32x_v20061218.jar.so)
at org.eclipse.core.internal.jobs.Worker.run(org.eclipse.core.jobs_3.2.0.v20060603.jar.so)

print-server Unknown 1239184660825 63

SECOND ERROR:
Severity and Description Path Resource Location Creation Time Id
RMI Plugin: Errors encountered. More information should be provided. Execution time 0.5 seconds print-server Unknown 1239184660837 65

THIRD ERROR:
Severity and Description Path Resource Location Creation Time Id
RMI Plugin: Generated stub file could not be found. See additional messages for details. print-server/src/rmi/print/server RemotePrintImplementation.java Unknown 1239184660833 64