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via Google Groups by Stefan Oehme, 1 year ago
Cannot create type for anonymous or synthetic classes
java.lang.IllegalStateException: Cannot create type for anonymous or
 synthetic classes	at org.eclipse.xtext.common.types.access.binary.asm.JvmDeclaredTypeBuilder.visit(JvmDeclaredTypeBuilder.java:92)	at org.objectweb.asm.ClassReader.accept(Unknown Source)	at org.objectweb.asm.ClassReader.accept(Unknown Source)	at org.eclipse.xtext.common.types.access.binary.asm.JvmDeclaredTypeBuilder.buildType(JvmDeclaredTypeBuilder.java:70)	at org.eclipse.xtext.java.resource.JavaDerivedStateComputer$3.acceptResult(JavaDerivedStateComputer.java:223)