From 90c12267d4df5e6a889d89b1eb5bd69c00e929b1 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Sat, 19 Jan 2019 15:25:58 +0100
Subject: [PATCH] NPE

---
 .../unneededThrows/RedundantThrowsDeclarationInspection.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/java/java-analysis-impl/src/com/intellij/codeInspection/unneededThrows/RedundantThrowsDeclarationInspection.java b/java/java-analysis-impl/src/com/intellij/codeInspection/unneededThrows/RedundantThrowsDeclarationInspection.java
index 5bcc11b0e8d9..1babcdb2e843 100644
--- a/java/java-analysis-impl/src/com/intellij/codeInspection/unneededThrows/RedundantThrowsDeclarationInspection.java
+++ b/java/java-analysis-impl/src/com/intellij/codeInspection/unneededThrows/RedundantThrowsDeclarationInspection.java
@@ -93,7 +93,8 @@ public class RedundantThrowsDeclarationInspection extends GlobalJavaBatchInspect
           if (psiManager.areElementsEquivalent(s, throwsResolvedType)) {
             if (problems == null) problems = new ArrayList<>(1);
 
-            if (refMethod.isAbstract() || refMethod.getOwnerClass().isInterface()) {
+            RefClass ownerClass = refMethod.getOwnerClass();
+            if (refMethod.isAbstract() || ownerClass != null && ownerClass.isInterface()) {
               problems.add(manager.createProblemDescriptor(throwsRef, InspectionsBundle.message(
                 "inspection.redundant.throws.problem.descriptor", "<code>#ref</code>"), new MyQuickFix(processor, throwsClassName), ProblemHighlightType.LIKE_UNUSED_SYMBOL,
                                                            false));