X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=yang%2Fyang-data-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fyangtools%2Fyang%2Fdata%2Fimpl%2Fschema%2Ftree%2FInMemoryDataTree.java;h=6e389699294b1decde70ce35484ae0d3efcd2a05;hb=9c8e1b0cd23fed1e3f883e85e54a42c603c48c2c;hp=13070428ec896c1722f01454bdd2841a4b25fcab;hpb=a058586ca2b1143012a5af8a3bf0ac4340a5a0af;p=yangtools.git

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTree.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTree.java
index 13070428ec..6e38969929 100644
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTree.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/InMemoryDataTree.java
@@ -113,13 +113,21 @@ final class InMemoryDataTree extends AbstractDataTreeTip implements TipProducing
             LOG.debug("Updating datastore from {} to {}", currentRoot, newRoot);
 
             final TreeNode oldRoot = c.getBeforeRoot();
-            Preconditions.checkState(oldRoot == currentRoot, "Store tree %s and candidate base %s differ.", currentRoot, oldRoot);
+            if (oldRoot != currentRoot) {
+                final String oldStr = simpleToString(oldRoot);
+                final String currentStr = simpleToString(currentRoot);
+                throw new IllegalStateException("Store tree " + currentStr + " and candidate base " + oldStr + " differ.");
+            }
 
             newState = currentState.withRoot(newRoot);
             LOG.trace("Updated state from {} to {}", currentState, newState);
         } while (!STATE_UPDATER.compareAndSet(this, currentState, newState));
     }
 
+    private static String simpleToString(final Object o) {
+        return o.getClass().getName() + "@" + Integer.toHexString(o.hashCode());
+    }
+
     @Override
     public YangInstanceIdentifier getRootPath() {
         return rootPath;