ClassCastException during serialization [message #1717759] |
Wed, 16 December 2015 14:40 |
Jonathan Koscielny Messages: 14 Registered: August 2013 |
Junior Member |
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Dear community,
Xtext shows some very unexpected behaviour since I use Xbase to integrate my dsl with Java. I use Xbase only to import Java types and to resolve the references to Java types and Java Class representations of my dsl code. My problem is the following:
My dsl needs complex internal reference resolving, which means I have implemented my own ScopeProvide to resolve the references. This works very fine - as long as I do not serialize the model of any dsl file after manually loading and transforming it. The model transformation is triggered by the generator of a second dsl. the generation process is similar, but much more complex, to the following outline:
class Dsl2Generator implements IGenerator {
@Inject
private ISerializer serializer;
override doGenerate(Resource r, IFileSystemAccess fsa) {
// Do some configuration stuf
// Manually loading resources from dsl1
Map<String, Delta> m = new LinkedHashMap<String, Delta>();
IResourceDescriptions descriptions = resourceDescriptionsProvider
.getResourceDescriptions(r);
Iterable<IResourceDescription> list = descriptions
.getAllResourceDescriptions();
for (IResourceDescription rd : list) {
URI u = rd.getURI();
if (u.fileExtension().equals("deltaj")) {
Resource deltajResource = r.getResourceSet().getResource(u, true);
Iterable<Delta> deltas = Iterables.<Delta> filter(IteratorExtensions.<EObject> toIterable(deltajResource.getAllContents()), Delta.class);
for (Delta d : deltas) {
m.put(d.getDName(), d);
}
}
}
// Performing some model transformation on the Delta elements
Map<String, OutputmodelWrapper> outputModels = doModelTransformation();
// Writing transformed models to file system
// ...
for (OutputmodelWrapper omw : outputModels) {
String outputString = serializer.serialize(omw.getModel());
// ...
}
}
}
But the serialization throws a following ClassCastException (see end of the post). My implemented ScopeProvider is in the stack trace of the exception (at org.deltaj.scoping.DeltaJScopeProvider.getScope(DeltaJScopeProvider.java:223)). Thus, I have taken a closer look to it and figured out that the exception has been thrown while the serializer asked the scope provider to provide a scope for a JvmTypeReference. My ScopeProvider only calculates the scope for references within elements of my language, all other references are resolved by calling super.getScope(context, reference).
My ScopeProvider is implemented with the following hierarchy:
Quote:
class DeltaJScopeProvider extends AbstractDeltaJScopeProvider { ... }
class AbstractDeltaJScopeProvider extends AbstractDeclarativeScopeProvider {
/** Name of the scope provider. */
public static val NAMED_DELEGATE = 'org.deltaj.scoping.scoping.DeltaJScopeProvider.delegate'
/** The delegate scope provider */
@Inject
@Named(NAMED_DELEGATE)
var IScopeProvider myDelegate
/** Sets the delegate */
override setDelegate(IScopeProvider delegate) {
myDelegate = delegate
}
/** Returns the delegate */
override getDelegate() {
myDelegate
}
}
To avoid the ClassCastException, I tried to return an Iscope.NULLSCOPE for any JvmTypeReference. Without a scope, the serialization succeeds, but I got the usual unresolved reference errors in the editor. I have absolutely no idea how to solve this problem!
Best,
Jonathan
java.lang.ClassCastException: org.eclipse.xtext.common.types.access.jdt.JdtTypeProvider cannot be cast to org.eclipse.xtext.common.types.access.impl.ClasspathTypeProvider
at org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.createTypeScope(ClasspathBasedTypeScopeProvider.java:35)
at org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.createTypeScope(ClasspathBasedTypeScopeProvider.java:1)
at org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider.getScope(AbstractTypeScopeProvider.java:55)
at org.eclipse.xtext.common.types.xtext.TypesAwareDefaultGlobalScopeProvider.getScope(TypesAwareDefaultGlobalScopeProvider.java:38)
at org.eclipse.xtext.scoping.impl.AbstractGlobalScopeDelegatingScopeProvider.getGlobalScope(AbstractGlobalScopeDelegatingScopeProvider.java:46)
at org.eclipse.xtext.xbase.scoping.XImportSectionNamespaceScopeProvider.getGlobalScope(XImportSectionNamespaceScopeProvider.java:88)
at org.eclipse.xtext.xbase.scoping.XImportSectionNamespaceScopeProvider.getScope(XImportSectionNamespaceScopeProvider.java:82)
at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.delegateGetScope(AbstractDeclarativeScopeProvider.java:72)
at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:104)
at org.deltaj.scoping.DeltaJScopeProvider.getScope(DeltaJScopeProvider.java:223)
at org.eclipse.xtext.xbase.scoping.batch.TypeScopes.createTypeScope(TypeScopes.java:59)
at org.eclipse.xtext.xbase.scoping.batch.XbaseBatchScopeProvider.getScope(XbaseBatchScopeProvider.java:105)
at org.eclipse.xtext.xbase.serializer.SerializerScopeProvider.getScope(SerializerScopeProvider.java:89)
at org.eclipse.xtext.serializer.tokens.CrossReferenceSerializer.serializeCrossRef(CrossReferenceSerializer.java:86)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.getToken(SequenceFeeder.java:454)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:220)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.eclipse.xtext.xbase.serializer.AbstractXtypeSemanticSequencer.sequence_JvmParameterizedTypeReference(AbstractXtypeSemanticSequencer.java:128)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:739)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_MemberDeclaration1(DeltaJSemanticSequencer.java:2198)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:537)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassBodyMemberDeclaration(DeltaJSemanticSequencer.java:1275)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:320)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:239)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:401)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassBody(DeltaJSemanticSequencer.java:1284)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:317)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassDeclaration(DeltaJSemanticSequencer.java:1321)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:329)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassOrInterfaceDeclaration(DeltaJSemanticSequencer.java:1330)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:332)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:239)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:401)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_JavaCompilationUnit(DeltaJSemanticSequencer.java:2129)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:522)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:86)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:109)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:124)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:52)
at org.deltaj.impl.ToString.valueOf(ToString.java:39)
at org.deltaj.deltaJ.impl.JavaCompilationUnitImpl.toString(JavaCompilationUnitImpl.java:283)
at org.deltaj.generator.util.GeneratedClassDeclaration.toString(GeneratedClassDeclaration.java:1446)
at org.deltaj.spl.generator.DeltaJProductGenerator.generateProduct(DeltaJProductGenerator.java:61)
at org.deltaj.spl.generator.SPLGenerator.lambda$2(SPLGenerator.java:69)
at org.deltaj.spl.generator.SPLGenerator$$Lambda$15/2078233245.accept(Unknown Source)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.deltaj.spl.generator.SPLGenerator.lambda$0(SPLGenerator.java:71)
at org.deltaj.spl.generator.SPLGenerator$$Lambda$13/340235387.accept(Unknown Source)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.deltaj.spl.generator.SPLGenerator.doGenerate(SPLGenerator.java:75)
at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:524)
at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:513)
at org.eclipse.xtext.builder.BuilderParticipant.doGenerate(BuilderParticipant.java:498)
at org.eclipse.xtext.builder.BuilderParticipant.doBuild(BuilderParticipant.java:263)
at org.eclipse.xtext.builder.BuilderParticipant.build(BuilderParticipant.java:221)
at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant$DeferredBuilderParticipant.build(RegistryBuilderParticipant.java:161)
at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant.build(RegistryBuilderParticipant.java:69)
at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:252)
at org.eclipse.xtext.builder.impl.XtextBuilder.incrementalBuild(XtextBuilder.java:228)
at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:123)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:205)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:245)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:300)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:303)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:359)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:382)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
java.lang.ClassCastException: org.eclipse.xtext.common.types.access.jdt.JdtTypeProvider cannot be cast to org.eclipse.xtext.common.types.access.impl.ClasspathTypeProvider
at org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.createTypeScope(ClasspathBasedTypeScopeProvider.java:35)
at org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.createTypeScope(ClasspathBasedTypeScopeProvider.java:1)
at org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider.getScope(AbstractTypeScopeProvider.java:55)
at org.eclipse.xtext.common.types.xtext.TypesAwareDefaultGlobalScopeProvider.getScope(TypesAwareDefaultGlobalScopeProvider.java:38)
at org.eclipse.xtext.scoping.impl.AbstractGlobalScopeDelegatingScopeProvider.getGlobalScope(AbstractGlobalScopeDelegatingScopeProvider.java:46)
at org.eclipse.xtext.xbase.scoping.XImportSectionNamespaceScopeProvider.getGlobalScope(XImportSectionNamespaceScopeProvider.java:88)
at org.eclipse.xtext.xbase.scoping.XImportSectionNamespaceScopeProvider.getScope(XImportSectionNamespaceScopeProvider.java:82)
at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.delegateGetScope(AbstractDeclarativeScopeProvider.java:72)
at org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.getScope(AbstractDeclarativeScopeProvider.java:104)
at org.deltaj.scoping.DeltaJScopeProvider.getScope(DeltaJScopeProvider.java:233)
at org.eclipse.xtext.xbase.scoping.batch.TypeScopes.createTypeScope(TypeScopes.java:59)
at org.eclipse.xtext.xbase.scoping.batch.XbaseBatchScopeProvider.getScope(XbaseBatchScopeProvider.java:105)
at org.eclipse.xtext.xbase.serializer.SerializerScopeProvider.getScope(SerializerScopeProvider.java:89)
at org.eclipse.xtext.serializer.tokens.CrossReferenceSerializer.serializeCrossRef(CrossReferenceSerializer.java:86)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.getToken(SequenceFeeder.java:454)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:220)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.eclipse.xtext.xbase.serializer.AbstractXtypeSemanticSequencer.sequence_JvmParameterizedTypeReference(AbstractXtypeSemanticSequencer.java:128)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:739)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_MemberDeclaration1(DeltaJSemanticSequencer.java:2198)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:537)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassBodyMemberDeclaration(DeltaJSemanticSequencer.java:1275)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:320)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:239)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:401)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassBody(DeltaJSemanticSequencer.java:1284)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:317)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassDeclaration(DeltaJSemanticSequencer.java:1321)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:329)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:222)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:408)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_ClassOrInterfaceDeclaration(DeltaJSemanticSequencer.java:1330)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:332)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptEObjectRuleCall(SequenceFeeder.java:299)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.acceptRuleCall(SequenceFeeder.java:325)
at org.eclipse.xtext.serializer.acceptor.SequenceFeeder.accept(SequenceFeeder.java:239)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.accept(BacktrackingSemanticSequencer.java:401)
at org.eclipse.xtext.serializer.sequencer.BacktrackingSemanticSequencer.createSequence(BacktrackingSemanticSequencer.java:454)
at org.deltaj.serializer.DeltaJSemanticSequencer.sequence_JavaCompilationUnit(DeltaJSemanticSequencer.java:2129)
at org.deltaj.serializer.DeltaJSemanticSequencer.createSequence(DeltaJSemanticSequencer.java:522)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:86)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:109)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:124)
at org.eclipse.xtext.serializer.impl.Serializer.serialize(Serializer.java:52)
at org.deltaj.impl.ToString.valueOf(ToString.java:39)
at org.deltaj.deltaJ.impl.JavaCompilationUnitImpl.toString(JavaCompilationUnitImpl.java:283)
at org.deltaj.generator.util.GeneratedClassDeclaration.toString(GeneratedClassDeclaration.java:1446)
at org.deltaj.spl.generator.DeltaJProductGenerator.generateProduct(DeltaJProductGenerator.java:61)
at org.deltaj.spl.generator.SPLGenerator.lambda$2(SPLGenerator.java:69)
at org.deltaj.spl.generator.SPLGenerator$$Lambda$15/2078233245.accept(Unknown Source)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.deltaj.spl.generator.SPLGenerator.lambda$0(SPLGenerator.java:71)
at org.deltaj.spl.generator.SPLGenerator$$Lambda$13/340235387.accept(Unknown Source)
at java.lang.Iterable.forEach(Iterable.java:75)
at org.deltaj.spl.generator.SPLGenerator.doGenerate(SPLGenerator.java:75)
at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:524)
at org.eclipse.xtext.builder.BuilderParticipant.handleChangedContents(BuilderParticipant.java:513)
at org.eclipse.xtext.builder.BuilderParticipant.doGenerate(BuilderParticipant.java:498)
at org.eclipse.xtext.builder.BuilderParticipant.doBuild(BuilderParticipant.java:263)
at org.eclipse.xtext.builder.BuilderParticipant.build(BuilderParticipant.java:221)
at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant$DeferredBuilderParticipant.build(RegistryBuilderParticipant.java:161)
at org.eclipse.xtext.builder.impl.RegistryBuilderParticipant.build(RegistryBuilderParticipant.java:69)
at org.eclipse.xtext.builder.impl.XtextBuilder.doBuild(XtextBuilder.java:252)
at org.eclipse.xtext.builder.impl.XtextBuilder.incrementalBuild(XtextBuilder.java:228)
at org.eclipse.xtext.builder.impl.XtextBuilder.build(XtextBuilder.java:123)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:734)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:205)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:245)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:300)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:303)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:359)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:382)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
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