disable lambda completion after inserted qualifier

java/java-impl/src/com/intellij/codeInsight/completion/JavaSmartCompletionContributor.java

@@ -94,7 +94,10 @@ public class JavaSmartCompletionContributor extends CompletionContributor {
     @Override
     public boolean accepts(@NotNull PsiElement element, ProcessingContext context) {
       final PsiElement rulezzRef = element.getParent();
-      return rulezzRef != null && LambdaUtil.isValidLambdaContext(rulezzRef.getParent());
+      return rulezzRef != null &&
+             rulezzRef instanceof PsiReferenceExpression &&
+             ((PsiReferenceExpression)rulezzRef).getQualifier() == null &&
+             LambdaUtil.isValidLambdaContext(rulezzRef.getParent());
     }});
 
   @Nullable

java/java-tests/testData/codeInsight/completion/smartType/NotAvailableInLambdaPositionAfterQualifier.java

@@ -0,0 +1,9 @@
+class Test {
+  interface I {
+    void foo();
+  }
+
+  {
+    I i = Test::<caret>
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/SmartType18CompletionTest.java

@@ -73,6 +73,12 @@ public class SmartType18CompletionTest extends LightFixtureCompletionTestCase {
     doTest();
   }
 
+  public void testNotAvailableInLambdaPositionAfterQualifier() throws Exception {
+    configureByFile("/" + getTestName(false) + ".java");
+    assertNotNull(myItems);
+    assertTrue(myItems.length == 0);
+  }
+
   public void testInferFromRawType() throws Exception {
     final PsiResolveHelperImpl helper = (PsiResolveHelperImpl)JavaPsiFacade.getInstance(getProject()).getResolveHelper();
     helper.setTestHelper(new PsiGraphInferenceHelper(getPsiManager()));