diff --git a/plugins/FeedsProcessor.inc b/plugins/FeedsProcessor.inc
index 5dffc72..4bfd0d0 100644
--- a/plugins/FeedsProcessor.inc
+++ b/plugins/FeedsProcessor.inc
@@ -131,8 +131,45 @@ abstract class FeedsProcessor extends FeedsPlugin {
       field_attach_validate($this->entityType(), $entity);
     }
     catch (FieldValidationException $e) {
-      throw new FeedsValidationException(reset($e->errors));
+      $errors = array();
+
+      // Unravel the errors inside the FieldValidationException.
+      foreach ($e->errors as $field_name => $field_errors) {
+        foreach ($field_errors as $langcode => $field_item_errors) {
+          $errors = array_merge($errors, $this->unravelFieldValidationExceptionErrors($field_item_errors));
+        }
+      }
+
+      // Compose the final error message and throw exception.
+      $message = $e->getMessage() . theme('item_list', array('items' => $errors));
+      throw new FeedsValidationException($message);
+    }
+  }
+
+  /**
+   * Helper function to unravel error messages hidden in a FieldValidationException.
+   *
+   * @param array $field_item_errors
+   *   The errors for a single field item.
+   *
+   * @return array
+   *   The unraveled error messages.
+   */
+  protected function unravelFieldValidationExceptionErrors($field_item_errors) {
+    $errors = array();
+
+    foreach ($field_item_errors as $field_item_error) {
+      if (isset($field_item_error['message'])) {
+        // Found the error message!
+        $errors[] = $field_item_error['message'];
+      }
+      elseif (is_array($field_item_error)) {
+        // Error message is hidden deeper in the tree.
+        $errors = array_merge($errors, $this->unravelFieldValidationExceptionErrors($field_item_error));
+      }
     }
+
+    return $errors;
   }
 
   /**
diff --git a/tests/feeds_mapper_field.test b/tests/feeds_mapper_field.test
index 2506a29..d15dd8c 100644
--- a/tests/feeds_mapper_field.test
+++ b/tests/feeds_mapper_field.test
@@ -87,4 +87,96 @@ class FeedsMapperFieldTestCase extends FeedsMapperTestCase {
     $this->assertNodeFieldValue('gamma', '1.20');
     $this->assertNodeFieldValue('delta', '5.62951');
   }
+
+  /**
+   * Tests text field validation.
+   */
+  public function testTextFieldValidation() {
+    // Create a field with settings to validate.
+    $max_length = 5;
+    $typename = $this->createContentType(array(), array(
+      'alpha' => array(
+        'type' => 'text',
+        'settings' => array(
+          'field[settings][max_length]' => $max_length,
+        ),
+      ),
+    ));
+
+    // Create and configure importer.
+    $this->createImporterConfiguration('Content CSV', 'csv');
+    $this->setSettings('csv', NULL, array(
+      'content_type' => '',
+      'import_period' => FEEDS_SCHEDULE_NEVER,
+    ));
+    $this->setPlugin('csv', 'FeedsFileFetcher');
+    $this->setPlugin('csv', 'FeedsCSVParser');
+    $this->setSettings('csv', 'FeedsNodeProcessor', array('bundle' => $typename));
+    $this->addMappings('csv', array(
+      0 => array(
+        'source' => 'title',
+        'target' => 'title',
+      ),
+      1 => array(
+        'source' => 'alpha',
+        'target' => 'field_alpha',
+      ),
+    ));
+
+    // Import CSV file.
+    $this->importFile('csv', $this->absolutePath() . '/tests/feeds/content.csv');
+    $this->assertText('Created 1 node');
+    $this->assertText('Failed importing 1 node.');
+    $this->assertText('Field validation errors');
+    $this->assertText('alpha_text_label: the text may not be longer than 5 characters.');
+  }
+
+  /**
+   * Tests cardinality validation.
+   */
+  public function testCardinalityValidation() {
+    // Create a field with settings to validate.
+    $cardinality = 6;
+    $typename = $this->createContentType(array(), array(
+      'alpha' => array(
+        'type' => 'text',
+        'instance_settings' => array(
+          'field[cardinality]' => $cardinality,
+        ),
+      ),
+    ));
+
+    // Create and configure importer.
+    $this->createImporterConfiguration('Syndication', 'syndication');
+    $this->setSettings('syndication', NULL, array(
+      'content_type' => '',
+      'import_period' => FEEDS_SCHEDULE_NEVER,
+    ));
+    $this->setPlugin('syndication', 'FeedsHTTPFetcher');
+    $this->setPlugin('syndication', 'FeedsSyndicationParser');
+    $this->setSettings('syndication', 'FeedsNodeProcessor', array('bundle' => $typename));
+    $this->addMappings('syndication', array(
+      0 => array(
+        'source' => 'title',
+        'target' => 'title',
+      ),
+      1 => array(
+        'source' => 'tags',
+        'target' => 'field_alpha',
+      ),
+    ));
+
+    // Import RSS.
+    // Three items of the RSS contain more than 6 categories. Because categories
+    // are mapped to field_alpha and field_alpha may only hold 6 values, they
+    // should fail to import.
+    $edit = array(
+      'feeds[FeedsHTTPFetcher][source]' => $GLOBALS['base_url'] . '/' . drupal_get_path('module', 'feeds') . '/tests/feeds/developmentseed.rss2',
+    );
+    $this->drupalPost('import/syndication', $edit, 'Import');
+    $this->assertText('Created 7 nodes');
+    $this->assertText('Failed importing 3 nodes.');
+    $this->assertText('Field validation errors');
+    $this->assertText('alpha_text_label: this field cannot hold more than 6 values.');
+  }
 }