Issue #2959097 by Jo Fitzgerald, rakesh.gectcr, quietone, heddn: Log message...

Issue #2959097 by Jo Fitzgerald, rakesh.gectcr, quietone, heddn: Log message if migration plugin skip the row When there is no destination found.

core/modules/migrate/src/Plugin/Migration.php

@@ -410,7 +410,7 @@ protected function getProcessNormalized(array $process) {
    */
   public function getDestinationPlugin($stub_being_requested = FALSE) {
     if ($stub_being_requested && !empty($this->destination['no_stub'])) {
-      throw new MigrateSkipRowException();
+      throw new MigrateSkipRowException('Stub requested but not made because no_stub configuration is set.');
     }
     if (!isset($this->destinationPlugin)) {
       $this->destinationPlugin = $this->destinationPluginManager->createInstance($this->destination['plugin'], $this->destination, $this);

core/modules/migrate/tests/src/Kernel/Plugin/MigrationTest.php

@@ -4,6 +4,7 @@
 
 use Drupal\KernelTests\KernelTestBase;
 use Drupal\migrate\MigrateException;
+use Drupal\migrate\MigrateSkipRowException;
 
 /**
  * Tests the migration plugin.
@@ -115,4 +116,15 @@ public function testGetTrackLastImported() {
     $this->assertEquals(TRUE, $migration->isTrackLastImported());
   }
 
+  /**
+   * Tests Migration::getDestinationPlugin()
+   *
+   * @covers ::getDestinationPlugin
+   */
+  public function testGetDestinationPlugin() {
+    $migration = \Drupal::service('plugin.manager.migration')->createStubMigration(['destination' => ['no_stub' => TRUE]]);
+    $this->setExpectedException(MigrateSkipRowException::class, "Stub requested but not made because no_stub configuration is set.");
+    $migration->getDestinationPlugin(TRUE);
+  }
+
 }