Servers throw exception when gets unkown message type

fixes #10196

hazelcast-client/src/test/java/com/hazelcast/client/ClientProtocolTest.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
+ *
+ * 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 com.hazelcast.client;
+
+import com.hazelcast.client.impl.HazelcastClientInstanceImpl;
+import com.hazelcast.client.impl.protocol.ClientMessage;
+import com.hazelcast.client.impl.protocol.codec.MapSizeCodec;
+import com.hazelcast.client.spi.impl.ClientInvocation;
+import com.hazelcast.client.test.ClientTestSupport;
+import com.hazelcast.client.test.TestHazelcastFactory;
+import com.hazelcast.core.HazelcastInstance;
+import com.hazelcast.test.HazelcastParallelClassRunner;
+import com.hazelcast.test.annotation.ParallelTest;
+import com.hazelcast.test.annotation.QuickTest;
+import com.hazelcast.util.ExceptionUtil;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+
+
+@RunWith(HazelcastParallelClassRunner.class)
+@Category({QuickTest.class, ParallelTest.class})
+public class ClientProtocolTest extends ClientTestSupport {
+
+    private final TestHazelcastFactory hazelcastFactory = new TestHazelcastFactory();
+
+    @After
+    public void cleanup() {
+        hazelcastFactory.terminateAll();
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void testUnsupportedClientMessage() {
+        hazelcastFactory.newHazelcastInstance();
+        HazelcastInstance client = hazelcastFactory.newHazelcastClient();
+        HazelcastClientInstanceImpl clientImpl = getHazelcastClientInstanceImpl(client);
+        ClientMessage s = MapSizeCodec.encodeRequest("mapName");
+        int undefinedMessageType = Short.MAX_VALUE - 1;
+        s.setMessageType(undefinedMessageType);
+        ClientInvocation invocation = new ClientInvocation(clientImpl, s);
+        try {
+            invocation.invoke().get();
+        } catch (Exception e) {
+            throw ExceptionUtil.rethrow(e);
+        }
+    }
+}
+

hazelcast/src/main/java/com/hazelcast/client/impl/protocol/task/NoSuchMessageTask.java

@@ -44,8 +44,10 @@ protected ClientMessage encodeResponse(Object response) {
 
     @Override
     protected void processMessage() {
-        logger.warning("Unrecognized client message received with type: 0x"
-                + Integer.toHexString(parameters.getMessageType()));
+        String message = "Unrecognized client message received with type: 0x"
+                + Integer.toHexString(parameters.getMessageType());
+        logger.warning(message);
+        throw new UnsupportedOperationException(message);
     }
 
     @Override