Added check in serializer

if writer's schema greater than reader raise an exception

src/java/voldemort/serialization/avro/versioned/AvroVersionedGenericSerializer.java

@@ -91,6 +91,9 @@ public Object toObject(byte[] bytes) {
 
         Integer version = Integer.valueOf(bytes[0]);
 
+        if(version > newestVersion)
+            throw new SerializationException("Client needs to rebootstrap! \n Writer's schema version greater than Reader");
+
         Schema typeDefWriter = Schema.parse(typeDefVersions.get(version));
 
         byte[] dataBytes = new byte[bytes.length - 1];

src/java/voldemort/serialization/avro/versioned/SchemaEvolutionValidator.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2011 LinkedIn, Inc
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
 package voldemort.serialization.avro.versioned;
 
 import java.io.File;