SKYOPS-58233 - Skip the requests with empty paths (#118)

Co-authored-by: balasoiu <balasoiu@adobe.com>
diff --git a/src/main/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisher.java b/src/main/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisher.java
index 792e930..fdbb9ae 100644
--- a/src/main/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisher.java
+++ b/src/main/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisher.java
@@ -259,6 +259,9 @@
             throws DistributionException {
         final PackageMessage pkg;
         try {
+            if (request.getPaths().length == 0) {
+                throw new DistributionException("Empty paths");
+            }
             pkg = timed(distributionMetricsService.getBuildPackageDuration(), () -> factory.create(packageBuilder, resourceResolver, pubAgentName, request));
         } catch (Exception e) {
             distributionMetricsService.getDroppedRequests().mark();
diff --git a/src/test/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisherTest.java b/src/test/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisherTest.java
index a7daea9..f5eaeb3 100644
--- a/src/test/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisherTest.java
+++ b/src/test/java/org/apache/sling/distribution/journal/impl/publisher/DistributionPublisherTest.java
@@ -267,6 +267,13 @@
         assertEquals("Wrong getQueue error counter",1, counter.getCount());
     }
 
+    @Test(expected = DistributionException.class)
+    public void testEmptyPaths() throws Exception {
+        DistributionRequest request = new SimpleDistributionRequest(DistributionRequestType.ADD, new String[0]);
+        when(distributionMetricsService.getDroppedRequests()).thenReturn(meter);
+        publisher.execute(resourceResolver, request);
+    }
+
     @SuppressWarnings("unchecked")
     private void executeAndCheck(DistributionRequest request) throws IOException, DistributionException {
         PackageMessage pkg = mockPackage(request);