Index: src/main/java/org/apache/jackrabbit/oak/jcr/version/VersionManagerImpl.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/main/java/org/apache/jackrabbit/oak/jcr/version/VersionManagerImpl.java	(revision )
+++ src/main/java/org/apache/jackrabbit/oak/jcr/version/VersionManagerImpl.java	(revision )
@@ -354,7 +354,6 @@
                 if (nodeDelegate == null) {
                     throw new PathNotFoundException(absPath);
                 }
-                checkNotLocked(absPath);
                 return new VersionImpl(versionManagerDelegate.checkin(nodeDelegate), sessionContext);
             }
         });