From b81e9d486a2ba160e245575c95d3b483d73ee360 Mon Sep 17 00:00:00 2001
From: jakevin <jakevingoo@gmail.com>
Date: Mon, 19 Jun 2023 13:36:36 +0800
Subject: [PATCH] GEODE-10447: improve code for supporting JDK11 (#7882)

---
 .../apache/geode/test/concurrency/ConcurrentTestRunner.java | 6 ++++--
 .../org/apache/geode/test/concurrency/loop/LoopRunner.java  | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/ConcurrentTestRunner.java b/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/ConcurrentTestRunner.java
index 1d0e03023df4..d71a85c3d9b7 100644
--- a/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/ConcurrentTestRunner.java
+++ b/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/ConcurrentTestRunner.java
@@ -14,6 +14,7 @@
  */
 package org.apache.geode.test.concurrency;
 
+import java.lang.reflect.InvocationTargetException;
 import java.util.Arrays;
 import java.util.List;
 
@@ -81,8 +82,9 @@ public ConcurrentTestRunner(Class testClass) throws InitializationError {
     }
 
     try {
-      runner = configuration.runner().newInstance();
-    } catch (InstantiationException | IllegalAccessException e) {
+      runner = configuration.runner().getDeclaredConstructor().newInstance();
+    } catch (InstantiationException | IllegalAccessException | InvocationTargetException
+        | NoSuchMethodException e) {
       throw new InitializationError(e);
     }
   }
diff --git a/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/loop/LoopRunner.java b/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/loop/LoopRunner.java
index 6747ed6a001b..04442cfec073 100644
--- a/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/loop/LoopRunner.java
+++ b/geode-concurrency-test/src/main/java/org/apache/geode/test/concurrency/loop/LoopRunner.java
@@ -46,7 +46,7 @@ public List<Throwable> runTestMethod(Method child) {
       ParallelExecutor executor = new DelegatingExecutor(executorService);
       for (int i = 0; i < count; i++) {
         try {
-          Object test = child.getDeclaringClass().newInstance();
+          Object test = child.getDeclaringClass().getDeclaredConstructor().newInstance();
           child.invoke(test, executor);
         } catch (InvocationTargetException ex) {
           Throwable exceptionToReturn = ex.getCause();