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The compilation of: public class Foo<T> { def foo() { [T it|null] } } fails with an error during compilation. There is no error in the error log or error marker to indicate that nothing was compiled. 4408042 [Worker-20] ERROR org.eclipse.xtext.builder.impl.XtextBuilder - java.lang.IllegalArgumentException at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:135) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:131) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:131) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:122) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:133) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:61) at org.eclipse.xtext.xbase.compiler.TypeReferenceSerializer.serialize(TypeReferenceSerializer.java:58) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.serialize(JvmModelGenerator.java:1043) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator._generateMember(JvmModelGenerator.java:469) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.generateMember(JvmModelGenerator.java:1123) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator$1.apply(JvmModelGenerator.java:166) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator$1.apply(JvmModelGenerator.java:1) at org.eclipse.xtext.xbase.lib.IterableExtensions$FunctionDelegate.apply(IterableExtensions.java:808) at com.google.common.collect.Lists$TransformingRandomAccessList.get(Lists.java:431) at java.util.AbstractList$Itr.next(AbstractList.java:345) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:602) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:135) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:130) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.generateBody(JvmModelGenerator.java:179) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.generateType(JvmModelGenerator.java:95) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator._internalDoGenerate(JvmModelGenerator.java:86) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.internalDoGenerate(JvmModelGenerator.java:1098) at org.eclipse.xtext.xbase.compiler.JvmModelGenerator.doGenerate(JvmModelGenerator.java:75) at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:208) at org.eclipse.xtext.builder.BuilderParticipant.build(BuilderParticipant.java:154) at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant.build(RegistryBuilderParticipant.java:60) at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:160) at org.eclipse.xtext.builder.impl.XtextBuilder.incrementalBuild(XtextBuilder.java:141) at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:91) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:627) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:170) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:201) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:253) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:256) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:309) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:341) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:140) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:238) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
The problem is the "null". Changing it to e.g. the following works: public class Foo<T> { def foo() { [T t|t] } }
It seems like this problem has been fixed in the meantime.
Requested via bug 522520. -M.
