IGNITE-28476 Fix NPE during WalArchiveSizeConfigurationTest#testIncorrectMaxArchiveSizeConfiguration run (#12987)

Author: zstan

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/GridCacheDatabaseSharedManager.java

@@ -1126,7 +1126,8 @@ else if (restored != null)
         if (defrgMgr != null)
             defrgMgr.cancel();
 
-        checkpointManager.stop(cancel);
+        if (checkpointManager != null)
+            checkpointManager.stop(cancel);
 
         super.onKernalStop0(cancel);
 

modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/db/wal/WalArchiveSizeConfigurationTest.java

@@ -28,6 +28,7 @@
 import org.apache.ignite.internal.IgniteEx;
 import org.apache.ignite.internal.util.typedef.internal.U;
 import org.apache.ignite.testframework.ListeningTestLogger;
+import org.apache.ignite.testframework.LogListener;
 import org.apache.ignite.testframework.junits.WithSystemProperty;
 import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
 import org.junit.Test;
@@ -85,20 +86,30 @@ public void testPersistentConfiguration() throws Exception {
      * Checks that an exception is thrown if WAL segment size is larger than max WAL archive size.
      */
     @Test
-    public void testIncorrectMaxArchiveSizeConfiguration() throws Exception {
+    public void testIncorrectMaxArchiveSizeConfiguration() {
         DataStorageConfiguration dataStorageConfiguration = new DataStorageConfiguration()
             .setWalSegmentSize((int)U.MB)
             .setMaxWalArchiveSize(10)
             .setDefaultDataRegionConfiguration(
                 new DataRegionConfiguration().setPersistenceEnabled(true)
             );
 
+        ListeningTestLogger listeningLog = new ListeningTestLogger();
+        LogListener npeChecker = LogListener.matches(NullPointerException.class.getName()).build();
+        listeningLog.registerListener(npeChecker);
+
         assertThrowsAnyCause(
             log,
-            () -> startGrid(0, (IgniteConfiguration cfg) -> cfg.setDataStorageConfiguration(dataStorageConfiguration)),
+            () -> startGrid(0, (IgniteConfiguration cfg) ->
+                cfg
+                    .setDataStorageConfiguration(dataStorageConfiguration)
+                    .setGridLogger(listeningLog)
+            ),
             IgniteCheckedException.class,
             "maxWalArchiveSize must be no less than"
         );
+
+        assertFalse(npeChecker.check());
     }
 
     /**