diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/NullityInference.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/NullityInference.java
index 88b292bc4d3c..08493ec1a8f8 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/NullityInference.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/NullityInference.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.codeInspection.dataFlow;
 
+import com.intellij.lang.ASTNode;
 import com.intellij.lang.LighterAST;
 import com.intellij.lang.LighterASTNode;
 import com.intellij.lang.TreeBackedLighterAST;
@@ -54,7 +55,8 @@ public class NullityInference {
     return CachedValuesManager.getCachedValue(method, () -> {
       TreeBackedLighterAST tree = new TreeBackedLighterAST(method.getContainingFile().getNode());
       PsiCodeBlock body = ObjectUtils.assertNotNull(method.getBody());
-      NullityInferenceResult result = doInferNullity(tree, TreeBackedLighterAST.wrap(body.getNode()));
+      ASTNode node = body.getNode();
+      NullityInferenceResult result = node == null ? null : doInferNullity(tree, TreeBackedLighterAST.wrap(node));
       Nullness nullness = result == null ? null : RecursionManager.doPreventingRecursion(method, true, () -> result.getNullness(method, body));
       if (nullness == null) nullness = Nullness.UNKNOWN;
       return CachedValueProvider.Result.create(nullness, method, PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT);
diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/PurityInference.java b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/PurityInference.java
index cdf7871da9a1..0b8602c287e0 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/PurityInference.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/dataFlow/PurityInference.java
@@ -15,6 +15,7 @@
  */
 package com.intellij.codeInspection.dataFlow;
 
+import com.intellij.lang.ASTNode;
 import com.intellij.lang.LighterAST;
 import com.intellij.lang.LighterASTNode;
 import com.intellij.lang.TreeBackedLighterAST;
@@ -57,7 +58,8 @@ public class PurityInference {
     return CachedValuesManager.getCachedValue(method, () -> {
       TreeBackedLighterAST tree = new TreeBackedLighterAST(method.getContainingFile().getNode());
       PsiCodeBlock body = method.getBody();
-      PurityInferenceResult result = doInferPurity(TreeBackedLighterAST.wrap(body.getNode()), tree);
+      ASTNode node = body.getNode();
+      PurityInferenceResult result = node == null ? null : doInferPurity(TreeBackedLighterAST.wrap(node), tree);
       Boolean pure = RecursionManager.doPreventingRecursion(method, true, () -> result != null && result.isPure(method, body));
       return CachedValueProvider.Result.create(pure == Boolean.TRUE, method);
     });