From: Robert Varga <robert.varga@pantheon.tech>
Date: Wed, 18 Sep 2019 00:11:23 +0000 (+0200)
Subject: Make sure we know the version we encountered
X-Git-Tag: release/magnesium~97
X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=commitdiff_plain;h=10006bbb875a6b90e14bda6b8c32d4d801dd228c

Make sure we know the version we encountered

Hitting this exception is not providing sufficent detail as to
what the proposed version is. Add that information.

Change-Id: I44662e904774b636b351beb4c6b1f218e84f8ada
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
---

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/VersionedExternalizableMessage.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/VersionedExternalizableMessage.java
index c809029a0f..622485b09e 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/VersionedExternalizableMessage.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/VersionedExternalizableMessage.java
@@ -53,9 +53,10 @@ public abstract class VersionedExternalizableMessage implements Externalizable,
 
     @Override
     public final Object toSerializable() {
-        if (getVersion() < DataStoreVersions.BORON_VERSION) {
-            throw new UnsupportedOperationException("Versions prior to " + DataStoreVersions.BORON_VERSION
-                    + " are not supported");
+        final short ver = getVersion();
+        if (ver < DataStoreVersions.BORON_VERSION) {
+            throw new UnsupportedOperationException("Version " + ver
+                + " is older than the oldest version supported version " + DataStoreVersions.BORON_VERSION);
         }
 
         return this;