Index: oak-core/src/main/java/org/apache/jackrabbit/oak/spi/commit/BackgroundObserver.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- oak-core/src/main/java/org/apache/jackrabbit/oak/spi/commit/BackgroundObserver.java	(revision 9a1247d991d32c2cb49831f70d7421d82346b95d)
+++ oak-core/src/main/java/org/apache/jackrabbit/oak/spi/commit/BackgroundObserver.java	(revision )
@@ -113,9 +113,9 @@
             public Void call() throws Exception {
                 try {
                     ContentChange change = queue.poll();
-                    while (change != null && change != STOP) {
+                    if (change != null && change != STOP) {
                         observer.contentChanged(change.root, change.info);
-                        change = queue.poll();
+                        currentTask.onComplete(completionHandler);
                     }
                 } catch (Throwable t) {
                     exceptionHandler.uncaughtException(Thread.currentThread(), t);