Throw ClientNotActiveException instead of generic HazelcastException

alive check in ClientConnectionManager is moved to a more centralized
method and type of the exception is fixed.

(cherry picked from commit e244fe7)

hazelcast-client/src/main/java/com/hazelcast/client/connection/nio/ClientConnectionManagerImpl.java

@@ -19,6 +19,7 @@
 import com.hazelcast.client.AuthenticationException;
 import com.hazelcast.client.ClientExtension;
 import com.hazelcast.client.ClientTypes;
+import com.hazelcast.client.HazelcastClientNotActiveException;
 import com.hazelcast.client.HazelcastClientOfflineException;
 import com.hazelcast.client.config.ClientNetworkConfig;
 import com.hazelcast.client.config.SocketOptions;
@@ -377,6 +378,9 @@ private Connection getConnection(Address target, boolean asOwner, boolean acquir
     }
 
     private void checkAllowed(Address target, boolean asOwner, boolean acquiresResources) throws IOException {
+        if (!alive) {
+            throw new HazelcastClientNotActiveException("ConnectionManager is not active!");
+        }
         if (asOwner) {
             //opening an owner connection is always allowed
             return;
@@ -435,9 +439,6 @@ private AuthenticationFuture triggerConnect(Address target, boolean asOwner) {
         if (!asOwner) {
             connectionStrategy.beforeOpenConnection(target);
         }
-        if (!alive) {
-            throw new HazelcastException("ConnectionManager is not active!");
-        }
 
         AuthenticationFuture future = new AuthenticationFuture();
         AuthenticationFuture oldFuture = connectionsInProgress.putIfAbsent(target, future);
@@ -561,9 +562,6 @@ private void bindSocketToPort(Socket socket) throws IOException {
     }
 
     protected ClientConnection createSocketConnection(final Address address) throws IOException {
-        if (!alive) {
-            throw new HazelcastException("ConnectionManager is not active!");
-        }
         SocketChannel socketChannel = null;
         try {
             socketChannel = SocketChannel.open();

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

@@ -153,7 +153,7 @@ public void testRequestShouldFailOnShutdown() {
     }
 
     @Test(expected = HazelcastClientNotActiveException.class)
-    public void testExceptionAfterClientShutdown() throws Exception {
+    public void testExceptionAfterClientShutdown() {
         hazelcastFactory.newHazelcastInstance();
         ClientConfig clientConfig = new ClientConfig();
         HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
@@ -166,6 +166,18 @@ public void testExceptionAfterClientShutdown() throws Exception {
         test.get("key");
     }
 
+    @Test(expected = HazelcastClientNotActiveException.class)
+    public void testExceptionAfterClientShutdown_fromClientConnectionManager() {
+        hazelcastFactory.newHazelcastInstance();
+        ClientConfig clientConfig = new ClientConfig();
+        HazelcastInstance client = hazelcastFactory.newHazelcastClient(clientConfig);
+
+        IMap<Object, Object> test = client.getMap("test");
+        test.put("key", "value");
+        client.shutdown();
+        test.size();
+    }
+
     @Test
     public void testShutdownClient_whenThereIsNoCluster() {
         ClientConfig clientConfig = new ClientConfig();