diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassDescriptor.kt b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassDescriptor.kt
index 1f0cbc8fd93..83706926a20 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassDescriptor.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassDescriptor.kt
@@ -73,6 +73,8 @@ class LazyJavaClassDescriptor(
     private val _annotations = c.resolveAnnotations(jClass.getAnnotations())
     override fun getAnnotations(): List<AnnotationDescriptor> = _annotations
 
+    override fun toString() = "lazy java class $fqName"
+
     private inner class LazyJavaClassTypeConstructor : TypeConstructor {
 
         private val _parameters = c.storageManager.createLazyValue {
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassMemberScope.kt b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassMemberScope.kt
index 2652c0cc0f0..c24367f0b43 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassMemberScope.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaClassMemberScope.kt
@@ -271,4 +271,6 @@ public class LazyJavaClassMemberScope(
     // namespaces should be resolved elsewhere
     override fun getNamespace(name: Name): NamespaceDescriptor? = null
     override fun getAllPackageNames(): Collection<Name> = listOf()
+
+    override fun toString() = "Lazy java member scope for " + jClass.getFqName()
 }
\ No newline at end of file
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaMemberScope.kt b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaMemberScope.kt
index b33deae3b5f..3cb2043dcfd 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaMemberScope.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaMemberScope.kt
@@ -78,6 +78,8 @@ public abstract class LazyJavaMemberScope(
     protected abstract fun getAllFunctionNames(): Collection<Name>
     protected abstract fun addExtraDescriptors(result: MutableCollection<in DeclarationDescriptor>)
 
+    override fun toString() = "Lazy scope for ${getContainingDeclaration()}"
+    
     TestOnly
     override fun printScopeStructure(p: Printer) {
         p.println(javaClass.getSimpleName(), " {")
diff --git a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragment.kt b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragment.kt
index 0684c554914..a972c90566e 100644
--- a/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragment.kt
+++ b/core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragment.kt
@@ -22,6 +22,8 @@ abstract class LazyJavaPackageFragment(
     protected abstract val _memberScope: JetScope
 
     override fun getMemberScope() = _memberScope
+
+    override fun toString() = "lazy java package fragment: " + getFqName()
 }
 
 public class LazyPackageFragmentForJavaPackage(