NIFI-11963 Added null check in system test for instance cache method

- Timing issues in system integration tests could sometimes fail with a NullPointerException when calling the poison method multiple times This closes apache#7618 Signed-off-by: David Handermann <[email protected]>
nexr · Aug 22, 2023 · 25d775b · 25d775b
1 parent 680acf8
commit 25d775b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/.../nifi-system-test-suite/src/test/java/org/apache/nifi/tests/system/NiFiInstanceCache.java b/.../nifi-system-test-suite/src/test/java/org/apache/nifi/tests/system/NiFiInstanceCache.java
@@ -103,6 +103,9 @@ public NiFiInstanceFactory getFactory() {
         }
 
         public void poison(final NiFiInstance toPoison) {
+            if (this.instance == null) {
+                return;
+            }
             final NiFiInstance rawInstance = this.instance.getRawInstance();
 
             if (Objects.equals(rawInstance, toPoison)) {