Index: dna-jcr/src/main/java/org/jboss/dna/jcr/JcrWorkspace.java
===================================================================
--- dna-jcr/src/main/java/org/jboss/dna/jcr/JcrWorkspace.java	(revision 938)
+++ dna-jcr/src/main/java/org/jboss/dna/jcr/JcrWorkspace.java	(working copy)
@@ -60,6 +60,7 @@
 import org.jboss.dna.jcr.JcrContentHandler.EnclosingSAXException;
 import org.jboss.dna.jcr.JcrContentHandler.SaveMode;
 import org.jboss.dna.jcr.JcrRepository.Option;
+import org.jboss.dna.jcr.cache.NodeInfo;
 import org.xml.sax.ContentHandler;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
@@ -284,8 +285,28 @@
             throw new RepositoryException(JcrI18n.invalidPathParameter.text(destAbsPath, "destAbsPath"), e);
         }
 
+        // Doing a literal test here because the path factory will canonicalize "/node[1]" to "/node"
+        if (destAbsPath.endsWith("]")) {
+            throw new RepositoryException();
+        }
+
+        /*
+         * Make sure that the node has a definition at the new location
+         */
+        SessionCache cache = this.session.cache();
+        NodeInfo nodeInfo = cache.findNodeInfo(null, srcPath);
+        NodeInfo parent = cache.findNodeInfo(null, destPath.getParent());
+        
+        // This throws a ConstraintViolationException if there is no matching definition
+        cache.findBestNodeDefinition(parent.getUuid(), srcPath.getLastSegment().getName(), nodeInfo.getPrimaryTypeName());
+        
         // Perform the copy operation, but use the "to" form (not the "into", which takes the parent) ...
         graph.copy(srcPath).to(destPath);
+        
+        /*
+         * In case the parent of the new destination has already been loaded, we need to purge it
+         */
+        cache.purgeCachedNode(parent.getUuid());
     }
 
     /**
Index: dna-jcr/src/main/java/org/jboss/dna/jcr/SessionCache.java
===================================================================
--- dna-jcr/src/main/java/org/jboss/dna/jcr/SessionCache.java	(revision 938)
+++ dna-jcr/src/main/java/org/jboss/dna/jcr/SessionCache.java	(working copy)
@@ -234,6 +234,18 @@
     }
 
     /**
+     * Purges the {@code NodeInfo} with the given {@code uuid} from the {@code cachedNodes} map <b>only</b>.  This method
+     * does not modify any additional caches and should be called only when a workspace operation modifies some attribute of 
+     * a node's children, requiring the session to reload the list of children from persistent storage. 
+     * @param uuid the UUID of the node to clear from the cache
+     * @return whether info for this UUID existed in the cache
+     * @see JcrWorkspace#copy(String, String)
+     */
+    boolean purgeCachedNode(UUID uuid) {
+        return this.cachedNodes.remove(uuid) != null;
+    }
+    
+    /**
      * Refreshes (removes the cached state) for all cached nodes.
      * <p>
      * If {@code keepChanges == true}, modified nodes will not have their state refreshed.
@@ -514,7 +526,8 @@
         List<Name> mixinTypeNames = node.getMixinTypeNames();
 
         Children children = nodeInfo.getChildren();
-        int snsCount = children.getCountOfSameNameSiblingsWithName(newNodeName);
+        // Need to add 1 to the existing count to simulate having the new node as a sibling
+        int snsCount = children.getCountOfSameNameSiblingsWithName(newNodeName) + 1;
         JcrNodeDefinition definition = nodeTypes().findChildNodeDefinition(primaryTypeName,
                                                                            mixinTypeNames,
                                                                            newNodeName,
Index: dna-jcr/src/test/java/org/jboss/dna/jcr/JcrTckTest.java
===================================================================
--- dna-jcr/src/test/java/org/jboss/dna/jcr/JcrTckTest.java	(revision 938)
+++ dna-jcr/src/test/java/org/jboss/dna/jcr/JcrTckTest.java	(working copy)
@@ -70,8 +70,11 @@
 import org.apache.jackrabbit.test.api.WorkspaceCopyBetweenWorkspacesSameNameSibsTest;
 import org.apache.jackrabbit.test.api.WorkspaceCopyBetweenWorkspacesTest;
 import org.apache.jackrabbit.test.api.WorkspaceCopyBetweenWorkspacesVersionableTest;
+import org.apache.jackrabbit.test.api.WorkspaceCopyReferenceableTest;
+import org.apache.jackrabbit.test.api.WorkspaceCopySameNameSibsTest;
 import org.apache.jackrabbit.test.api.WorkspaceCopyVersionableTest;
 import org.apache.jackrabbit.test.api.WorkspaceMoveReferenceableTest;
+import org.apache.jackrabbit.test.api.WorkspaceMoveSameNameSibsTest;
 import org.apache.jackrabbit.test.api.WorkspaceMoveVersionableTest;
 
 /**
@@ -218,13 +221,13 @@
             addTestSuite(WorkspaceCopyBetweenWorkspacesSameNameSibsTest.class);
             addTestSuite(WorkspaceCopyBetweenWorkspacesTest.class);
             addTestSuite(WorkspaceCopyBetweenWorkspacesVersionableTest.class);
-            // addTestSuite(WorkspaceCopyReferenceableTest.class);
-            // addTestSuite(WorkspaceCopySameNameSibsTest.class);
-            // addTestSuite(WorkspaceCopyTest.class);
+            addTestSuite(WorkspaceCopyReferenceableTest.class);
+            addTestSuite(WorkspaceCopySameNameSibsTest.class);
+            //addTestSuite(WorkspaceCopyTest.class);
             addTestSuite(WorkspaceCopyVersionableTest.class);
             addTestSuite(WorkspaceMoveReferenceableTest.class);
-            // addTestSuite(WorkspaceMoveSameNameSibsTest.class);
-            // addTestSuite(WorkspaceMoveTest.class);
+            addTestSuite(WorkspaceMoveSameNameSibsTest.class);
+            //addTestSuite(WorkspaceMoveTest.class);
             addTestSuite(WorkspaceMoveVersionableTest.class);
 
             addTestSuite(RepositoryLoginTest.class);