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Help understanding WindowBuilder Log [message #1840810]

Sun, 25 April 2021 17:18

Eclipse User

I have a JFrame in my app which does not need amending frequently so I can't say when it last worked. When I try and view the layout now WindowBuilder hangs. I have for Force Quit the application from MacOS Big Sur.

I am using :-

Eclipse IDE for Enterprise Java and Web Developers (includes Incubating components)

Version: 2021-03 (4.19.0)
Build id: 20210312-0638

My default OS java and project java is :-

openjdk version "11.0.10" 2021-01-19 LTS
OpenJDK Runtime Environment Zulu11.45+27-CA (build 11.0.10+9-LTS)
OpenJDK 64-Bit Server VM Zulu11.45+27-CA (build 11.0.10+9-LTS, mixed mode)

I have attached my WindowBuilder Log.

There does seem to be some some reference to this error

org.eclipse.core.runtime.CoreException: com.google.inject.internal.util.$ComputationException: java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor (occurred in org.eclipse.xtext.ui.shared.internal.ExecutableExtensionFactory)

I'm not sure if this lib is used internallly by Eclipse but I do have it in my classpath as its referenced by JasperReports.

asm-all-5.2.jar